| File extension Name |
extension description |
| .S | Train Simulator Shape File (Microsoft Corporation) |
| .S | Xcode Core Assembler Program (Apple Inc.) |
| .S | Nitpicker Backup Ipflow File |
| .S | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .S | DigitalMicrograph Script (Gatan, Inc.) |
| .S | Mozilla (Netscape) Password Data (Mozilla.org) |
| .S | Source Code |
| .S | Scheme Source Code |
| .S | MultiEdit Macro Source |
| .S | Modula-3 Foreign Assembly Source |
| .S | Assembler Source Code |
| .S | Free Pascal Assembler File for Linux or DOS Version (FPC Development Team) |
| .S!D | Shuffle! Direct Video Stream (S!D Team) |
| .S$$ | Temporary Sort File |
| .S$N | Mindstore Digital Wallet File |
| .S00 | ZipSplitter ZipSplitter Part 1 Compressed File (Lithops Software) |
| .S01 | WordPerfect Distribution File (Corel Corporation) |
| .S01 | MicroStation Modification Resource (Bentley Systems, Incorporated) |
| .S02 | WordPerfect Distribution File (Corel Corporation) |
| .S03 | WordPerfect Distribution File (Corel Corporation) |
| .S08 | TaxCalc Tax File (Acorah Software Products Ltd.) |
| .S1 | Free Pascal Assembler File for GO321v1 Platform (FPC Development Team) |
| .S11 | Sealed MPEG-1 Video (SealedMedia) |
| .S12 | SPIRIT Drawing File (STI International, Inc.) |
| .S14 | Sealed MPEG-4 Video (SealedMedia) |
| .S16 | Sigames File |
| .S16 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .S17 | SubSeven Saved Settings File |
| .S19 | Motorola Assembly-Language Program ASCII-HEX Data File |
| .S1A | Sealed Acrobat Document (SealedMedia) |
| .S1A | Yamaha EX-series Synthesizer All Internal Memory Data (Yamaha) |
| .S1E | Sealed Excel Worksheet (SealedMedia) |
| .S1G | Sealed GIF Image (SealedMedia) |
| .S1H | Sealed HTML Document (SealedMedia) |
| .S1J | Sealed JPEG Image (SealedMedia) |
| .S1K | S1000 Simnet Format |
| .S1M | Yamaha EX-series Synthesizer Wave and Sample Data (Yamaha) |
| .S1M | Sealed MP3 Audio (SealedMedia) |
| .S1N | Sealed PNG Graphic (SealedMedia) |
| .S1P | Sealed PowerPoint Presentation (SealedMedia) |
| .S1Q | Sealed QuickTime Movie (SealedMedia) |
| .S1V | Yamaha EX-series Synthesizer 256 Voice Data (Yamaha) |
| .S1W | Sealed Word Document (SealedMedia) |
| .S1Y | Yamaha EX-series Synthesizer Internal Voice and Performance Data (Yamaha) |
| .S2 | Stranded II Mapfile (Unreal Software) |
| .S28 | Genesis or Sega32X ROM Image |
| .S2P | Sonnet File |
| .S2R | RegMagiK Registry Editor Registry Shortcut File (Guzner Software) |
| .S2S | SRT2SUP Native Subtitle Format |
| .S2S | Spike2 Script (Cambridge Electronic Design) |
| .S2WDH | HP Share to Web Upload Folder Test Folder (Hewlett-Packard Development Company, L.P.) |
| .S31 | SmartWhois |
| .S3D | Strata 3D |
| .S3D | Sealed CAD File (SealedMedia) |
| .S3D | EverQuest (Sony) |
| .S3D | Shape3d Surfboard Design (AWACS) |
| .S3D | Micrografx Simply 3D Project |
| .S3DF | Sealed CAD File (SealedMedia) |
| .S3I | Digiplayer/ST3 Sample File |
| .S3I | ScreamTracker v3 Instrument |
| .S3M | ScreamTracker v3 Sound File |
| .S3R | Rtl Ski Jump Replay File |
| .S3Z | ScreamTracker v3 File |
| .S3Z | Amiga and PC Tracker Module |
| .S4T | S4/TEXT and Tagless Editor (i4i) |
| .S4W | S4/TEXT and Tagless Editor (i4i) |
| .S5D | Step5 Program (Siemens AG) |
| .S7 | Sibelius Music Notation File (Sibelius Software Ltd) |
| .S70 | Xilinx Libraries Library ID Numbers |
| .S7ICONS | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .S7P | SubSeven Trojan File |
| .S7Z | 7-Zip Compressed File (Igor Pavlov) |
| .S8 | Simul8 Simulation |
| .S85 | SABRE Chart or Graph (Sabre Holdings) |
| .S?? | RAR Compressed File |
| .SA | System Sa51SWE File |
| .sa | UNIX Stub Library |
| .SA1 | Panasonic AAC Data Wrapped in SD Audio Encryption Layer (Panaconic Corporation of North America) |
| .SA2 | Time Stamp Project Grid Information File (Syntap Software) |
| .SA2 | Surprise! AdLib Tracker 2 |
| .SA2B | A2B Player Stream (DigitalPhono.com) |
| .SA3 | Street Atlas Ver. 3 Map Document (Delorme) |
| .SA4 | Street Atlas Ver. 4 Map Document (Delorme) |
| .SA4 | STABCAL (stability calculation for aqueous systems) File |
| .SA5 | Street Atlas Ver. 5 Map Document (Delorme) |
| .SA5 | SecretAgent Encrypted File Archive (Information Security Corporation) |
| .SA6 | Street Atlas Ver. 6 Map Document (Delorme) |
| .SA7 | Street Atlas Ver 7 Map Document (Delorme) |
| .SA8 | Street Atlas Ver 8 Map Document (Delorme) |
| .SA9 | Street Atlas Ver 9 Map Document (Delorme) |
| .SA9 | Hue and Cry Photoshop/Paint Shop Pro Plug-In (Flaming Pear Software) |
| .SAA | SecretAgent Auto-encrypted Archive (Information Security Corporation) |
| .SAB | ACIS Solid Binary File |
| .SAB | ModelMaker File |
| .SAB | NVision 3D Scanner File |
| .SAB | ALSong Mixed Music Album (ESTsoft) |
| .SAB2 | NVision 3D Scanner File |
| .SAC | Shared Asset Catalog (Adobe Systems Incorporated) |
| .SACRED2SAVE | Sacred 2 - Fallen Angel Saved Game (Ascaron Entertainment GmbH) |
| .SAD | Serveron Analyzer Data File |
| .SAD | Synergy Accounts Data File (Synergy Accounts) |
| .SAD | MultiEx Commander Set-up Cabinet (XeNTaX) |
| .SAD | Fast Atomic Density Evaluator File |
| .SAD | Black & White Game Sound File (Electronic Arts, Inc.) |
| .SAD | StillAliveDS Map File (t4ils & RøßiN) |
| .SAF | Twelve Ghosts File |
| .SAF | Spatial Archive Interchange Format |
| .SAF | Street Atlas Map File (Delorme) |
| .SAF | Stronghold Encrypted File (Helix Software) |
| .SAF | MusicMatch Jukebox Secure Audio File |
| .SAF | SelfAccounts Data File (ShaPlus Software) |
| .SAFE | eCipher Cryptographic Container (Essential Security Software, Inc.) |
| .SAG | Sagem Ringtone |
| .SAGE | Sage Source Code (Sage Development Team) |
| .SAGEM | Sagem Ringtone |
| .SAH | SETI@Home Data File |
| .SAI | PDP-10 SAIL Compiler Source |
| .SAIF | Spatial Archive Interchange Format |
| .SAIL | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SAK | Software Administration Kit |
| .SAK | Postal |
| .SAL | Database Program; SQL Application Language |
| .SAL | Soritec Data |
| .SALE | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SAM | Signed 8-bit Sample Data |
| .SAM | Map File |
| .SAM | Sound Sample |
| .SAM | CalTech PaleoMag Data File |
| .SAM | Office 97 File Converter (Microsoft Corporation) |
| .SAM | Ami Pro Document (IBM) |
| .SAMPLE | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SAMPLER | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SAMPLER294 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SAMPLES | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SAN | Select-a-Net Network Configuration (Digerati Technologies, LLC) |
| .SAN | The Curse of Monkey Island Movie File |
| .SAN | Smush Animation Format File (Lucasfilm Entertainment Company Ltd.) |
| .SAN | Legacy of Kain Series Game File |
| .SANDMAN | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SANE | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SANFRANCI | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SANKEY | e!Sankey File (ifu Hamburg GmbH) |
| .SANTEM | e!Sankey Template (ifu Hamburg GmbH) |
| .SAP | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SAP | AlbumPlus Album (Serif) |
| .SAP | Nolian Analysis Data (Softing) |
| .SAP | Atari SAP Music Format (Atari) |
| .SAP | SAP Thomson Disk Image |
| .SAQ?? | SAS Version 6 Sequential Access File Access Descriptor File (SAS Institute Inc.) |
| .SAR | Synergy Accounts Reports File (Synergy Accounts) |
| .SAR | SAPCAR Archive (SAPGenie.COM) |
| .SAR | Sibelius Arrange Style (Sibelius Software Ltd) |
| .SAR | Yamaha S.Art Voices (Yamaha Corporation of America) |
| .SAR | Squeak Package (Squeak Community) |
| .SAR | Timeslips Archive (Peachtree Software) |
| .SAR | Sons Of The American Revolution Family Tree Creator Data |
| .SAR | Phoenix Server Applications Standard Distribution Format |
| .SAR | Streamline Compressed Archive |
| .SAR | Saracen Paint |
| .SAS | VMS SAS Source Code |
| .SAS | Orchida Embroidery System (Orchida Soft) |
| .SAS | SAS Program (SAS Institute Inc.) |
| .SAS | StreamAction Script (fCoder Group) |
| .SAS7BACS | SAS Version 8 Random Access File Access Descriptor File (SAS Institute Inc.) |
| .SAS7BAUD | SAS Version 8 Random Access File Audit File (SAS Institute Inc.) |
| .SAS7BBAK | SAS Version 8 Random Access File Backup (SAS Institute Inc.) |
| .SAS7BCAT | SAS Version 8 Random Access File Catalog (SAS Institute Inc.) |
| .SAS7BDAT | SAS Ver. 8+ Data File (SAS Institute, Inc.) |
| .SAS7BDMD | SAS Version 8 Random Access File Data Mining Database (SAS Institute Inc.) |
| .SAS7BFDB | SAS Version 8 Random Access File Consolidation Database (SAS Institute Inc.) |
| .SAS7BITM | SAS Version 8 Random Access File Item Store File (SAS Institute Inc.) |
| .SAS7BMDB | SAS Version 8 Random Access File Multi-dimensional Database (SAS Institute Inc.) |
| .SAS7BNDX | SAS Version 8 Random Access File Data File Index (SAS Institute Inc.) |
| .SAS7BODS | SAS Version 8 Random Access File Output Delivery System File (SAS Institute Inc.) |
| .SAS7BPGM | SAS Version 8 Random Access File Stored Program (DATA step) (SAS Institute Inc.) |
| .SAS7BPUT | SAS Version 8 Random Access File Permanent Utility File (SAS Institute Inc.) |
| .SAS7BUTL | SAS Version 8 Random Access File Utility File (SAS Institute Inc.) |
| .SAS7BVEW | SAS Version 8 Random Access File Data View (SAS Institute Inc.) |
| .SAS7SACS | SAS Version 8 Sequential Access File Access Descriptor File (SAS Institute Inc.) |
| .SAS7SAUD | SAS Version 8 Sequential Access File Audit File (SAS Institute Inc.) |
| .SAS7SBAK | SAS Version 8 Sequential Access File Backup (SAS Institute Inc.) |
| .SAS7SCAT | SAS Version 8 Sequential Access File Catalog (SAS Institute Inc.) |
| .SAS7SDAT | SAS Version 8 Sequential Access File Data File (SAS Institute Inc.) |
| .SAS7SDMD | SAS Version 8 Sequential Access File Data Mining Database (SAS Institute Inc.) |
| .SAS7SFDB | SAS Version 8 Sequential Access File Consolidation Database (SAS Institute Inc.) |
| .SAS7SITM | SAS Version 8 Sequential Access File Item Store File (SAS Institute Inc.) |
| .SAS7SMDB | SAS Version 8 Sequential Access File Multi-dimensional Database (SAS Institute Inc.) |
| .SAS7SNDX | SAS Version 8 Sequential Access File Data File Index (SAS Institute Inc.) |
| .SAS7SODS | SAS Version 8 Sequential Access File Output Delivery System File (SAS Institute Inc.) |
| .SAS7SPGM | SAS Version 8 Sequential Access File Stored Program (DATA step) (SAS Institute Inc.) |
| .SAS7SPUT | SAS Version 8 Sequential Access File Permanent Utility File (SAS Institute Inc.) |
| .SAS7SUTL | SAS Version 8 Sequential Access File Utility File (SAS Institute Inc.) |
| .SAS7SVEW | SAS Version 8 Sequential Access File Data View (SAS Institute Inc.) |
| .SAT | SAdT Music Composer Mod/Song |
| .SAT | Surprise! AdLib Tracker |
| .SAT | Firefox Bookmark Backup File |
| .SAT | IRT Cronista Infrared Image (GRAYESS Inc.) |
| .SAT | ACIS Solid Model |
| .SAT | SatHawk Data File (Global Sourcing Solutions & Commerce LLC, DBA Sadoun Satellite Sales) |
| .SATELLITE | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SATURN | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SAU | Separate And Unite (S&U) File Part (KKE Soft (Kalmykov Konstantin Evgenyevich, Russian Federation, Tver)) |
| .SAUCE | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SAUCER | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SAUT | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SAV | Half-Life 2 Saved File |
| .SAV | Free Download Manager Download Data (Free Download Manager.org) |
| .SAV | Daemon Tools Pro Disk Image (The Daemons Home) |
| .SAV | PDP-10 Zero-Compressed Executable Binary |
| .SAV | Secrets Can Kill Saved Game (DreamCatcher Interactive) |
| .SAV | Star Trek: Birth of the Federation Saved Game (MicroProse Software, Inc.) |
| .SAV | Saved File |
| .SAV | Saved Configuration Info |
| .SAV | Backup |
| .SAV | OpenTTD Saved Game |
| .SAV | No$gba Gameboy Advance Emulator Saved Data File |
| .SAV | Datel Max Drive Save State for GameCube (Datel design and Development Ltd.) |
| .SAV | SPSS Database File (SPSS Inc.) |
| .SAV | Dune Saved Game |
| .SAV | Chaser Saved Game (Cauldron Ltd.) |
| .SAV | Mount&Blade Saved Game (TaleWorlds Entertainment) |
| .SAV | Yu-Gi-Oh! Duel Monsters World Championship Saved Game |
| .SAV | Interactive Data Language (IDL) Binary Format Save File (ITT Visual Information Solutions) |
| .SAV | TradeWinds 2 Saved Game |
| .SAV | ADOM Saved Game (Thomas Biskup) |
| .SAVAGE | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SAVE | Game Salt Lake City 2002 File |
| .SAVE | Doom 3 Saved Game File (Id Software, Inc.) |
| .SAVE | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SAVEDGAME | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SAVEDSEARCH | OS X Spotlight Saved Search (Apple Inc.) |
| .SAVER | Macintosh Screen Saver File (Apple Inc.) |
| .SAVER | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SAVGAO | Aleph One Saved Game (Marathon Open Source) |
| .SAVINGS | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SAW | Living Scenes Jigsaw Puzzles |
| .SAY | SayaMatrix Accounting Database (Saya InfoNet India Ltd) |
| .SAY | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SAZ | Fiddler Session Archive |
| .SB | Raw Signed Byte (8-bit) Data |
| .SB | Scratch Finished Product File (MIT's Lifelong Kindergarten Research Group) |
| .SB | Small Basic Source Code (Microsoft Corporation) |
| .SB | SpinnerBaker eXtractor Compressed Archive (SpinnerBaker Software) |
| .SB | Audio |
| .SB2 | SerialBox Serials Numbers Package |
| .SB4 | SetupBuilder Installation Project (Lindersoft) |
| .SB5 | SetupBuilder 5 Installation Script (Lindersoft, Inc.) |
| .SBA | SpeedBalance Accounting Database (speedbalance.nl) |
| .SBAK | Ideal Summary Sheets Standard Backup (Non-encrypted) (Conquer Internet Ltd.) |
| .SBB | Office Accounting Professional Backup File (Microsoft Corporation) |
| .SBC | SBC Compressed Archive |
| .SBC | Sagebrush Corporation Spectrum CIRC/CAT Report |
| .SBD | Mozilla (Netscape) Mail Subdirectory (Mozilla.org) |
| .SBD | Storyboard Editor Storyboard |
| .SBE | Spybot - Search & Destroy Excludes File (PepiMK Software) |
| .SBF | CT Summation Briefcase File (CT Summation, Inc.) |
| .SBF | Superbase 95 File (Superbase Developers plc) |
| .SBGF | Grapher Graph Data File (Subhash Bose) |
| .SBI | Selfboot Inducer |
| .SBI | Sound Blaster Instrument File |
| .SBI | Spybot - Search & Destroy Add-on Info File (PepiMK Software) |
| .SBJ | Clipart Index; Micrografx Clipart or Palette |
| .SBK | ToolBook Instructor/Assistant Book (SumTotal Systems, Inc.) |
| .SBK | Superbase 95 File (Superbase Developers plc) |
| .SBK | PagePainter Swatch Book File (Saltire Media) |
| .SBK | Statfoot32 Soccer League Tracking File |
| .SBK | SWiSH Backup File |
| .SBK | Multimedia Subject/book?, Metatec Corp. |
| .SBK | Emu SoundFont v1.x Bank File |
| .SBK | Creative Labs Soundfont 1.0 Bank File |
| .SBK | Creative Labs SB AWE 32 |
| .SBK | Asymetrics ToolBook System Book (SumTotal) |
| .SBL | DXwin Symbol Library (Procedimientos-Uno, S.L.) |
| .SBL | Softbridge Basic Language |
| .SBL | Spybot - Search & Destroy Language File (PepiMK Software) |
| .SBL | Stone Brook Pascal library |
| .SBL | Shockwave Flash Object |
| .SBL | SiBaLa Script File |
| .SBM | Hello Network HelloCombined Media Player |
| .SBN | ArcView Spatial Index For Read-Write Shapefiles (ESRI) |
| .SBP | Superbase DML Program (Superbase Developers plc) |
| .SBP | GPSBabel GPS Data Conversion |
| .SBP | Scratchboard |
| .SBP | ShopBot Control Software ShopBot Part File (ShopBot Tools, Inc.) |
| .SBP | SetupBuilder Professional Projects File |
| .SBPF | Small Business Publisher Document (Belltech Systems, LLC) |
| .SBQ?? | SAS Version 6 Sequential Access File Backup (SAS Institute Inc.) |
| .SBR | Source Browser Support File |
| .SBS | SWAT HRU Output File |
| .SBS | SPSS Script (SPSS, Inc.) |
| .SBS | Spybot - Search & Destroy Includes File (PepiMK Software) |
| .SBSONG | SongShow Plus Song File (R-Technics Inc.) |
| .SBT | Sitestepper Build Target Parameters (E.De.L.Com bvba) |
| .SBT | Superbase Record Notes (Superbase Developers plc) |
| .SBT | SYNETSIM Batch File |
| .SBW | SuperBeam 4 UK Data File (Survey Design Associates Ltd.) |
| .SBW | Savings Bonds Wizard Data (U.S. Department of the Treasury, Bureau of the Public Debt) |
| .SBX | ArcView Spatial Index For Read-Write Shapefiles (ESRI) |
| .SBX | Illustrator Tsume (Adobe Systems Incorporated) |
| .SBZ | ShowBiz Project File (ArcSoft, Inc.) |
| .SB_ | Creativ Compressed Sb16 Sbide File |
| .SC | Paradox Source Code |
| .SC | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SC | Ingres Embedded SQL/C Source File (Computer Associates International, Inc.) |
| .SC | Framework Screen Driver (Selections & Functions, Inc.) |
| .SC | Sega SC-3000 Image File (Sega of America, Inc.) |
| .sc | UNIX Spreadsheet Commands |
| .SC | Skills Connection Test Set Document (Scantron Corporation) |
| .SC$ | Modem Bitware Fax Disk1 File |
| .SC2 | II PC Instrument |
| .SC2 | MSX 2 Screen |
| .SC2 | Sample Cell |
| .SC2 | Super Chat 2000 Chat Log (Promootio) |
| .SC2 | SAS Catalog (SAS Institute Inc.) |
| .SC2 | Schedule+ File |
| .SC2 | SimCity 2000 City (Electronic Arts, Inc.) |
| .SC3 | dBASE Screen Mask File |
| .SC3 | Harvard Graphics Screen Driver (Harvard Graphics) |
| .SC3 | SimCity 3000 City Data (Electronic Arts, Inc.) |
| .SC4 | RollerCoaster Tycoon Scenario (Atari) |
| .SC4 | NOMAD MP3 Manager Voice Audio (Creative Technology Ltd.) |
| .SC4 | SimCity 4 Saved City (Electronic Arts, Inc.) |
| .SC4DESC | SimCity 4 Lot-Model Descriptive File (Electronic Arts, Inc.) |
| .SC4LOT | SimCity 4 Lot File (Electronic Arts, Inc.) |
| .SC4MODEL | SimCity 4 Model (Electronic Arts, Inc.) |
| .SC4PATH | SimCity 4 Path (Electronic Arts, Inc.) |
| .SC6 | RollerCoaster Tycoon 2 Scenario (Atari) |
| .SC68 | SC68 Music File |
| .SC? | ColorRIX VGA Paint Bitmap (RIX SoftWorks Inc.) |
| .SCA | PHASES Scaled (and Merged) Structure Factor File |
| .SCA | PHASES SCALEPACK File |
| .SCA | SCA Datafile |
| .SCA | Systems Management Server (SMS) Site Control File Addition (Microsoft Corporation) |
| .SCA | Scala InfoChannel Script |
| .SCA | Norton Anti-Virus File |
| .SCAN | Thunderscan Image File |
| .SCAN | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SCANNER | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SCANNER | Scanner Output File |
| .SCAR | SCAR Script (Kaitnieks) |
| .SCARS | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SCB | Scala InfoChannel Published Script |
| .SCB | System Cleaner |
| .SCC | Visual SourceSafe Control File [Variation] (Microsoft Corporation) |
| .SCC | Active ScreenSaver Builder Configuration (XemiComputers) |
| .SCC | Text File |
| .SCC | Stamp Collector's Girl Friday Catalog File |
| .SCC | Visual SourceSafe Control File (Microsoft Corporation) |
| .SCC | Microsoft Extended Home Computer Bitmap |
| .SCC | Scenarist Closed Caption File (Sonic Solutions) |
| .SCD | Systems Management Server (SMS) Site Control File Deletion (Microsoft Corporation) |
| .SCD | Agfa/Matrix SCODL Bitmap |
| .SCD | TurboTax Schedule Descriptions (Intuit) |
| .SCD | Scribus Document |
| .SCD | SCODL Scan Conversion Object Description Language Graphic |
| .SCD | Schedule/Schedule+ Data (Microsoft Corporation) |
| .SCE | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SCE | UPlayer Hypervideo File (URAVO Group) |
| .SCE | Scilab (INRIA) |
| .SCE | SoftCuisine Data Exchange File |
| .SCE2 | Marathon 2 Scenario File (Bungie) |
| .SCENARIO | Halo Editing Kit Pre .MAP File (Bungie, LLC) |
| .SCENE | Amiga Sculpt 3D/4D 3D Object |
| .SCF | Windows Explorer Command Shell Command File (Microsoft Corporation) |
| .SCF | VIA Setup Configuration File (VIA Technologies, Inc.) |
| .SCF | Symphony Spell Checker Configuration (IBM) |
| .SCF | SimTown File |
| .SCF | ScoreMaker Multimedia Show |
| .SCF | Photo Soap2 File |
| .SCF | DNA Sequence Chromatogram |
| .SCG | ColorRIX VGA Paint Bitmap (RIX SoftWorks Inc.) |
| .SCG | Septerra Core Saved Game |
| .SCH | FTP Voyager Scheduled FTP File Transfer (Rhino Software, Inc.) |
| .SCH | XML Schema |
| .SCH | PSpice Schematic (Cadence Design Systems, Inc.) |
| .SCH | Designer Schematic Capture Binary File (Altium Limited) |
| .SCH | Tina Pro for Windows V6.0+ Package Schematics (DesignSoft, Inc.) |
| .SCH | OrCAD Schematic File (Cadence Design Systems, Inc.) |
| .SCH | EAGLE Layout Editor Schematic File (CadSoft Computer GmbH) |
| .SCH | Schedule+ File (Microsoft Corporation) |
| .SCH | P-CAD Schematic File (Altium Limited) |
| .SCH | Xlinix Foundation Schematic |
| .SCHDOC | Altium Designer Schematic Capture (Binary) (Altium Limited) |
| .SCHED | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SCHEDULER | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SCHEMAS | Amaya Configuration |
| .SCI | Scilab Source Code (INRIA) |
| .SCI | Sierra AdLib Audio File Format |
| .SCI | ColorRIX VGA Paint Bitmap (RIX SoftWorks Inc.) |
| .SCI | ScanVec Inspire File |
| .SCI | SciFax FAX |
| .SCI | System Configuration Data |
| .SCL | SCALA Scale |
| .SCL | Pro/ENGINEER (PTC) |
| .SCL | SuperCopier Copy List (SFX Team) |
| .SCL | Sinclair Disk Image |
| .SCL | Sibelius & G7 Guitar Chord Diagram Library (Sibelius Software Ltd) |
| .SCM | Grand Theft Auto III Mission Script (Rockstar Games) |
| .SCM | PDP-10 Source Compare - FILCOM Output Showing Differences by Line |
| .SCM | SadefCam (SADEF) |
| .SCM | GIMP Script-Fu Script (The GIMP Team) |
| .SCM | Scheme Program |
| .SCM | ICQ Sound Compressed Sound Scheme (ICQ Inc.) |
| .SCM | ScreenCam Movie (IBM) |
| .SCM | Spanish Whiz Scrambled Game Sound File (GB Blanchard) |
| .SCM | Topanga Software SchematicMaker File |
| .SCM | Starcraft Map File |
| .SCN | Crazy Talk Model File (Reallusion Inc.) |
| .SCN | Kermit Screen Dump or File |
| .SCN | Softimage XSI 3D Scene File (Softimage) |
| .SCN | SimCity 2000 Scenario City (Electronic Arts, Inc.) |
| .SCN | BPM Studio Scan Files (ALCATech) |
| .SCN | Compressed Screen Format |
| .SCN | Flying-Model-Simulator Scenery (Roman & Michael Möller) |
| .SCN | Rise of Nations Scenario File (Microsoft Corporation) |
| .SCN | Steam Source SDK Model Source File (Valve Corporation) |
| .SCN | TrueSpace Scene File (Caligari Corporation) |
| .SCN | Calgari trueSpace2 File Format |
| .SCN | TrueSpace2 Scene |
| .SCN | Orbiter Scenario (Martin Schweiger) |
| .SCN | Scenario File |
| .SCN | pcAnywhere Recorded Screen Shot (Symantec Corporation) |
| .SCN | Pinnacle Studio Scene File (Pinnacle Systems, Inc.) |
| .SCN | Minolta Scene File |
| .SCN | Visual Basic (Microsoft Corporation) |
| .SCO | Sibelius Scorch File (Sibelius Software Ltd) |
| .SCO | ObjectJ AuthorJ Saved Lesson |
| .SCO | Scøøp Script |
| .SCO | cSound Score (Csounders) |
| .SCO | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SCO | High Score |
| .SCODL | AGFA Slide Bitmap |
| .SCORE | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SCOREFONT | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SCORERS | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SCORES | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SCOTT | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SCP | Script |
| .SCP | Atari Disk Image (Atari) |
| .SCP | Dial-Up Networking Script (Microsoft Corporation) |
| .SCP | BITCOM Script |
| .SCP | ColorRIX VGA Paint Bitmap (RIX SoftWorks Inc.) |
| .SCPR | ScreenCorder Project File (MatchWare A/S) |
| .SCPT | AppleScript Script (Apple Inc.) |
| .SCQ?? | SAS Version 6 Sequential Access File Catalog (SAS Institute Inc.) |
| .SCR | Windows Screen Saver |
| .SCR | Statistica Scrollsheet |
| .SCR | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SCR | Movie Master Screenplay |
| .SCR | Procomm Plus Screen Snapshot File |
| .SCR | Screen Dump |
| .SCR | Screen Font |
| .SCR | Sun Raster Graphic |
| .SCR | TrialDirector Script File (inData Corporation) |
| .SCR | Image Pro Plus Ver. 1.x - 4.5.1.x Macro (Media Cybernetics Inc.) |
| .SCR | Script |
| .SCR | Mastercam Dialog Script File (CNC Software, Inc.) |
| .SCR | DOS DEBUG Input File |
| .SCR | LocoScript Screen Font File (LocoScript Software) |
| .SCR | Faxview Fax |
| .SCR1 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SCR2 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SCRAP | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SCREEM | SCREEM (Site CReating and Editing EnvironMent) Project (David A Knight) |
| .SCREEN | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SCRIPT | Desktop DNA Application Script |
| .SCRIPT | SitePad Pro Script File (Modelworks Software) |
| .SCRIPT | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SCRIPT | Win Help Related File |
| .SCRIPT | VBScript File (Microsoft Corporation) |
| .SCRIPTLAS | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SCRN | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SCROLL | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SCROLL2 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SCROLL7 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SCS | OzWin CompuServe E-mail/Forum Access SYSOP File |
| .SCS | SCS Programs Applications Licence System Functions (Standby Computer Systems) |
| .SCS | Sealed CSF File (SealedMedia) |
| .SCS | StuffIt Saved Criteria |
| .SCS | Lotus ScreenCam Script |
| .SCS | Omron CX-Supervisor |
| .SCS | Samsung Q105 Phone Screen Saver |
| .SCSF | Sealed CSF File (SealedMedia) |
| .SCSI | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SCSPACK | SimCity Download Package (Electronic Arts, Inc.) |
| .SCSV | Semicolor-Separated Value |
| .SCS_TOR | Insight II Torsion File (Accelrys Software Inc.) |
| .SCT | PC Tools Script Tools |
| .SCT | Foxpro Screen (Microsoft Corporation) |
| .SCT | SAS Catalog (SAS Institute Inc.) |
| .SCT | Lotus Screen Capture Text (IBM) |
| .SCT | Scitex Continuous Tone Bitmap |
| .SCT | Windows Script Component |
| .SCT | SPSS Template (SPSS, Inc.) |
| .SCT | SimCity 3000 Real-World Terrain City (Electronic Arts, Inc.) |
| .SCT | OzWin CompuServe E-mail/Forum Access Forum Section Names |
| .SCT?? | SAS Version 6 Random Access File Catalog (SAS Institute Inc.) |
| .SCU | ColorRIX VGA Paint Bitmap (RIX SoftWorks Inc.) |
| .SCU | Systems Management Server (SMS) Site Configuration Update (Microsoft Corporation) |
| .SCV | ScanVec CASmate File |
| .SCW | Score Writer Document (GenieSoft, Inc.) |
| .SCW | Movie Magic Screenwiter Screenwriter Document (Write Brothers, Inc.) |
| .SCW | SQL Compare Ver 2.xx File (Red Gate Software Limited) |
| .SCX | Starcraft Scenario/Map (Blizzard Entertainment) |
| .SCX | MS Class Browser Form |
| .SCX | Stanford Chart Chart |
| .SCX | Giga Pocket Scene Information (Sony) |
| .SCX | Age of Empires II Scenario File (Microsoft Corporation) |
| .SCX | Rise of Nations Scenario File (Microsoft Corporation) |
| .SCX | FoxPro Screen File (Microsoft Corporation) |
| .SCX | ColorRIX VGA Paint Bitmap (RIX SoftWorks Inc.) |
| .SCY | ReaGeniX Security File |
| .SCZ | OPENLiMiT SignCubes Zip Container (OPENLiMiT Holding AG) |
| .SCZ | Wingz Script |
| .SD | Sound Designer Audio |
| .SD | Simple Diary |
| .SD | Train Simulator Shape Definition File (Microsoft Corporation) |
| .SD | MDL Molfile MDL Structure Data (MDL Information Systems, Inc.) |
| .SD | Insight II Structure Data File (Accelrys Software Inc.) |
| .SD | Entropic Sound Data Format |
| .SD | Mechanical Toys Drawing or Plan (Focus Educational Ltd) |
| .SD | Quick Sequence Diagram Editor Diagram (Markus Strauch) |
| .SD! | OzWin CompuServe E-mail/Forum Access Custom Messsage Search Online |
| .SD0 | Dali Raw File |
| .SD1 | Dali Raw File |
| .SD2 | Dali Raw File |
| .SD2 | Sound Designer II Audio File (Digidesign a Division of Avid Technology, Inc.) |
| .SD2 | Base SAS Database (SAS Institute Inc.) |
| .SD2F | Sound Designer II Audio File (Digidesign a Division of Avid Technology, Inc.) |
| .SD4 | Smart Diary Suite 4 Database (Programming Sunrise) |
| .SD4LF | Smart Diary Suite Life Factor Pack (Programming Sunrise) |
| .SD4PP | Smart Diary Suite Parameter Pack (Programming Sunrise) |
| .SD7 | Daktronics Venus 7000 Electronic Sign Schedule |
| .SDA | SoftCuisine Data Archive |
| .SDA | Smart Diary Suite Contacts (Programming Sunrise) |
| .SDA | OpenOffice.org Drawing (OpenOffice.org) |
| .SDA | Fidonet Software Distribution Network Archive Description |
| .SDA | StarOffice Drawing (Sun) |
| .SDA | OneSpace Designer Assembly (CoCreate) |
| .SDA | Software Distribution Network File Archive Description |
| .SDA | Pretty Good Privacy (PGP) Encrypted Executable (PGP Corporation) |
| .SDAC | OneSpace Designer Assembly Container (CoCreate) |
| .SDB | SmartQuest Survey Database Configuration (TeleSage Inc.) |
| .SDB | Windows Security Database (Microsoft Corporation) |
| .SDB | Windows2000 Security Configuration and Analysis Database (Microsoft Corporation) |
| .SDB | SQLite Database (SQLite Consortium) |
| .SDB | yEncExpress Database (TechSono Engineering, Inc.) |
| .SDB | Summer Camp Scheduler Database (GPS) |
| .SDB | STRIP SDB Utility File |
| .SDB | Simply Accounting File |
| .SDB | Group Mail Subscriber Plug-in File |
| .SDB | Windows Compatibility Solution Database (Microsoft Corporation) |
| .SDB | ACT! Sales Data File (Best Software CRM Division) |
| .SDB | Single-step Motivational Software User Data Storage (Self Evident Enterprises, LLC.) |
| .SDB | SideKick 2 Database |
| .SDC | BusinessMAP Map Layer File (ESRI) |
| .SDC | StarOffice Spreadsheet (Sun Microsystems, Inc.) |
| .SDC | Smart Diary Suite Configuration (Programming Sunrise) |
| .SDC | OpenOffice.org Spreadsheet (OpenOffice.org) |
| .SDC | Sexy Desktops Data File (Dancing Bits) |
| .SDD | StarOffice Presentation (Sun) |
| .SDD | Smart Diary Suite Data (Programming Sunrise) |
| .SDD | OpenOffice.org Presentation (OpenOffice.org) |
| .SDD | BPM Studio Editor Peak Files (ALCATech) |
| .SDE | Drumbeat Exported Data |
| .SDE | Steganos Disk Encryption File |
| .SDF | Standard-Delay-Format |
| .SDF | Ground Control Map File (Massive Entertainment) |
| .SDF | Xilinx Integrated Software Environment Standard Delay Format (Xilinx, Inc.) |
| .SDF | MapGuide Spatial Data (Autodesk, Inc.) |
| .SDF | System Data Format File |
| .SDF | Standard Data Format |
| .SDF | Sourcer Source Definition File |
| .SDF | MSN Local Machine Mail Storage File (Microsoft Corporation) |
| .SDF | Schedule Data File |
| .SDF | SQL Server Compact Edition Database File (Microsoft Corporation) |
| .SDF | Soundweb Designer File (BSS Audio) |
| .SDG | Star Office Gallery |
| .SDG | Strater Geological Log (Golden Software, Inc.) |
| .SDG | Smart Diary Suite Graph Configuration (Programming Sunrise) |
| .SDI | QuickBooks Data (Intuit Inc.) |
| .SDI | SeeYou Flight Data (Naviter) |
| .SDI | Smart Diary Suite Index (Programming Sunrise) |
| .SDI | Super Data Interchange |
| .SDI | Fidonet Software Distribution Network Info |
| .SDI | SteelPac Data Interchange File (Constructive Technologies Ltd.) |
| .SDI | BusinessMAP Map Layer File (ESRI) |
| .SDI | Borland Single Document Interface (Borland Software Corporation) |
| .SDK | Roland S-series Floppy Disk Image |
| .SDK | AutoSketch Drawing (Autodesk, Inc.) |
| .SDK | Smart Diary Suite Cookbook (Programming Sunrise) |
| .SDL | OzWin CompuServe E-mail/Forum Access Custom Messsage Search |
| .SDL | Dive Manager Dive Log (Suunto) |
| .SDL | Paradox Script (Borland Software Corporation) |
| .SDL | Web Service Description Language (Microsoft Corporation) |
| .SDL | Parsys Hardware Network Description File |
| .SDL | Wavefront Scene Description Language (Alias) |
| .SDL | SmartDraw Library (SmartDraw.com) |
| .SDL | Simple Declarative Language (Ikayzo) |
| .SDM | StarOffice Mail File (Sun) |
| .SDM | Sun Download Manager Download Instruction File (Sun Microsystems, Inc.) |
| .SDM | Dive Manager (Suunto Corporation) |
| .SDM | Smart Diary Suite Medication (Programming Sunrise) |
| .SDML | Spatial Data Modeling Language (VRML) (Silicon Graphics) |
| .SDN | Smart Diary Suite Ingredients (Programming Sunrise) |
| .SDN | Software Distribution Network Compressed File Archive |
| .SDN | Shell Archive |
| .SDN | Fidonet Software Distribution Network Compressed Archive |
| .SDO | DB/TextWorks Database Deferred Update Directory (Inmagic, Inc.) |
| .SDO | Sealed Word Document (SealedMedia) |
| .SDOC | Sealed Word File (SealedMedia) |
| .SDOT | Sealed Word Template (SealedMedia) |
| .SDP | QuickTime Session Description Protocol File (Apple Inc.) |
| .SDP | Real Player File |
| .SDP | Smart Diary Suite Planner (Programming Sunrise) |
| .SDP | StarOffice Picture File (Sun) |
| .SDP | OpenOffice.org Presentation (OpenOffice.org) |
| .SDP | IBM Storyboard PIC Image |
| .SDPX | Cineon Graphics Data |
| .SDQ?? | SAS Version 6 Sequential Access File Data (SAS Institute Inc.) |
| .SDR | Smart Diary Suite Reminders (Programming Sunrise) |
| .SDR | Sounder Music |
| .SDR | Dell System Information File |
| .SDR | SmartDraw Drawing (SmartDraw.com) |
| .SDR | QuickView Pro for DOS Soundcard Driver (Multimediaware) |
| .SDS | Smart Diary Suite Main Database (Programming Sunrise) |
| .SDS | DUMP Standard MIDI Sample File |
| .SDS | StarOffice Chart (Sun) |
| .SDS | Raw MIDI Sample Dump Standard File |
| .SDS | OpenOffice.org Chart (OpenOffice.org) |
| .SDS?? | SAS Version 6 Random Access File Output Delivery System File (SAS Institute Inc.) |
| .SDT | NEPLAN Protection Device File (BCP Busarello + Cott + Partner Inc.) |
| .SDT | Sony JPEG Image (Sony Corporation of America) |
| .SDT | Smart Diary Suite Scratch Pad (Programming Sunrise) |
| .SDT | Theme Park World Archive |
| .SDT | SmartDraw Template (SmartDraw.com) |
| .SDT | Dungeon Keeper 2 Archive |
| .SDT | Grand Theft Auto III Audio Structure Data (Rockstar Games) |
| .SDT | QuickBooks Data (Intuit Inc.) |
| .SDT | Siemens Mobile Theme (Siemens AG) |
| .SDTHEME | Desktop Manager Theme (Nintendo) |
| .SDTS | Spatial Data Transfer Standard |
| .SDU | Edwards Systems Technology |
| .SDV | Pinnacle Studio DV Video Editing Project |
| .SDV | Semicolon Divided Values File |
| .SDV | Smart Diary Suite Voice (Programming Sunrise) |
| .SDV | Pinnacle Studio Video Editor Project File |
| .SDW | Amidraw Vector Image |
| .SDW | Lotue WordPro Drawing |
| .SDW | SourceSafe Files in Shadow Directory |
| .SDW | Raw Signed DWord (32-bit) Data |
| .SDW | OpenOffice.org Text Document (OpenOffice.org) |
| .SDW | Word Pro Graphic (IBM) |
| .SDW | StarOffice Text (Sun) |
| .SDX | Quick Sequence Diagram Editor Diagram with Options (Markus Strauch) |
| .SDX | CaptiveWorks Satellite Channel Database (CaptiveWorks Inc.) |
| .SDX | Sample DUMP Exchange File |
| .SDX | Midi Sample Dump Standard Files Compacted by SDX |
| .SDX | Smart Diary Suite Temporary File (Programming Sunrise) |
| .SDX | SatcoDX Channel List |
| .SDY | Starmoney File |
| .SD_ | Audio Utility Midimach Compressed File |
| .SE | Mega Man X3 Sound Effect (Capcom U.S.A., Inc.) |
| .SE | DLL Directx Migrate File |
| .SE | ScopeEdit Project File |
| .SE1 | CT Summation iBlaze Database File (CT Summation, Inc.) |
| .SE1 | Synthedit File |
| .SE1 | Flight Simulator Scenery File (Microsoft Corporation) |
| .SE2 | CT Summation iBlaze Database File (CT Summation, Inc.) |
| .SE3 | CT Summation iBlaze Database File (CT Summation, Inc.) |
| .SEA | SCS Programs Data Related To SCS Encryption Methods (Standby Computer Systems) |
| .SEA | StuffIT Expander Archive Format (Smith Micro Software) |
| .SEARCH-MS | Windows Vista Index Search Data (Microsoft Corporation) |
| .SEARCHL | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SEB | Franklin eBookMan Format |
| .SEC | TAPCIS Forum Section File |
| .SEC | Disney Animation Studio Secured Animation File |
| .SEC | Pro/ENGINEER Sketch (PTC) |
| .SEC | Diskreet Encrypted File |
| .SEC | Compressed Archive File |
| .SEC | MP3 Music File |
| .SEC | Pretty Good Privacy (PGP) Secret Key Ring (PGP Corporation) |
| .SECSTORE | Acrobat Secstore File (Adobe Systems Incorporated) |
| .SECURITY | Javasoft JRE 1.3 Library Security File |
| .SED | Self Extracting Directive File (Microsoft Corporation) |
| .SED | Sedertree Matrix Wheeling Systems System Profile (Bayesoft Technologies) |
| .sed | UNIX Sed Doc File |
| .SEE | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SEE | LISCAD Plus File |
| .SEEK | Word List Expert Seek List (Mechanicwords) |
| .SEEM | RAZR Phone Control File (Motorola, Inc.) |
| .SEF | Steganos Encrypted File |
| .SEF | Encryptafile Digital Signature File (XenoSystems, LLC) |
| .SEG | SEG-2 Data (Society of Exploration Geophysicists) |
| .SEGER | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SEGMENT0 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SEGMENT1 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SEGMENT2 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SEGMENT3 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SEGMENT4 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SEGMENT5 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SEL | Paint Shop Pro Selection File (Corel Corporation) |
| .SEL | Perceptron Scanner File |
| .SEL | Wii Debugging Symbols (Nintendo) |
| .SELECT | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SEM | ZX Spectrum-Emulator Snapshot |
| .SEM | Alpha Five Set Object File (Alpha Software, Inc.) |
| .SEM | Sealed E-mail (SealedMedia) |
| .SEMA | Secured eMail Archive Container for Encrypted Data (Secured eMail AB.) |
| .SEML | Sealed E-mail (SealedMedia) |
| .SEN | SenTest Test Results (Neyer Software) |
| .SEN | Scifer Archiver and Compression Internal Archive Format (Senthil Kumar R) |
| .SEN | Sendbit Application Script (Sendbit) |
| .SENSU | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SENSUX | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SENT | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SEO | ScopeEdit Object File |
| .SEP | SimEnhancer 3D Profile File (Rick Halle) |
| .SEP | Playstation Sound Sequence Chunck Format (Sony Corporation of America) |
| .SEP | ChemSep Separation Case File (ChemSep) |
| .SEP | TIFF Bitmap Separation |
| .SEPROJECT | Spatial Workshop Geospatial Project Configuration (Spatial Eye) |
| .SEQ | CyberPaint Sequence (Animation) |
| .SEQ | Chromeleon Sequence List |
| .SEQ | Insight II Amino Acid Sequence File (Accelrys Software Inc.) |
| .SEQ | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SEQ | Bubble Chamber Sequential Instruction File |
| .SEQ | xfit Sequence File |
| .SEQ | LifeForm File |
| .SEQ | Playstation Sound Sequence File (Sony Corporation of America) |
| .SEQ | Power Tracks Pro Music Sequencer File |
| .SEQ | StreamPix Norpix Sequence Format (NorPix, Inc.) |
| .SEQ | Stad File |
| .SEQ | dnaLIMS Sequence (dnaTools) |
| .SEQ | TestStand Sequence File |
| .SEQU | Acrobat Sequence File (Adobe Systems Incorporated) |
| .SEQUENCE | Ricochet Infinity DirectX Graphic Sequence (Reflexive Entertainment Inc.) |
| .SER | Java Serialized Object File (Sun) |
| .SER | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SER | Webalizer.01 Language File |
| .SERIAL | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SERVER | Analog File |
| .SERVICE | OS X Service (Apple Inc.) |
| .SERVICES | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SES | HostAccess Session Configuration File (Quovadx, Inc.) |
| .SES | SciTE Session File |
| .SES | DynaComm Terminal Emulation Session File (FutureSoft, Inc.) |
| .SES | Digital Audio Editor File |
| .SES | Moziac Session (SWTBASE Softwares) |
| .SES | Clarion for Modula-2 Session Data (SoftVelocity) |
| .SES | Shadow Security Scanner Session |
| .SES | Audition Session File (Adobe Systems Incorporated) |
| .SES | Hummingbird Exceed X-Session |
| .SESTYLES | Spatial Workshop Geospatial Style Library (Spatial Eye) |
| .SET | Diablo II Character Set (Blizzard Entertainment) |
| .SET | Alpha Five Set Data Dictionary (Alpha Software, Inc.) |
| .SET | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SET | Symphony Driver Sets Created by Install |
| .SET | Setup Data or Info |
| .SET | Mastercam Setup Sheet Templates (CNC Software, Inc.) |
| .SET | Image Settings |
| .SET | Nikon Capture Settings File (Nikon Inc.) |
| .SET | Corel Painter Settings File |
| .SET | Sibelius Sound Set Definition (Sibelius Software Ltd) |
| .SET | Driver Set |
| .SET | AutoCAD LT Set File (Autodesk, Inc.) |
| .SET | BPM Studio Encrypted User Information (ALCATech) |
| .SET | XANA Web Browser Configuration File (Viktor Heimonen) |
| .SET | HostAccess Session Configuration Template (Quovadx, Inc.) |
| .SET | 3WayPack (The Three-Mode Company) |
| .SET | Backup File Set (Microsoft Corporation) |
| .SET | Configuration |
| .SET | 1st Reader Configuration |
| .SET1 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SET2 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SET3 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SETCLOCK | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SETUP | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SETVERS | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SEU | Serials 2000 Encrypted S2K Update |
| .SEV | SevenuP Graphic/Sprite (Metalbrain) |
| .SEW | Janome (New Home) Sewing Machine Stitch File (Janome America, Inc.) |
| .SEX | Urban Chaos Game File |
| .SEX | Alpha Five Set Index (Alpha Software, Inc.) |
| .SE_ | Cakepro Compressed Audio File |
| .SF | Powerhouse Subfile Data File |
| .SF | IRCAM SoundFile |
| .SF | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SF | OS/2 WorkPlace Shell WPS Attribute Storage |
| .SF | STATGRAPHICS Data File (Manugistics, Inc.) |
| .SF | Signature Instructions File |
| .SF | Sound File |
| .SF | OS/2 WPS Attribute Storage |
| .SF0 | Windows Sytem File Check File |
| .SF2 | Emu SoundFont v2.0 File |
| .SF2 | Creative Labs Soundfont 2.0 Bank File |
| .SF3 | STATGRAPHICS*Plus Data File (Manugistics, Inc.) |
| .SF7 | SF-7000 Disk Image (Sega) |
| .SFA | Sonic Foundry Video Editor Audio File (Sony Corporation of America) |
| .SFAP0 | Sound Forge Proxy File (Sony) |
| .SFARK | sfArk SoundFont Compression (MelodyMachine) |
| .SFB | HP Soft Font |
| .SFB | STRIP SDB Utility Backup File |
| .SFC | Windows System File Check File |
| .SFC | SNES9x |
| .SFC | Motic Images Plus Image (Motic) |
| .SFCACHE | Windows Vista ReadyBoost Cache File (Microsoft Corporation) |
| .SFD | FontForge Spline Font Database |
| .SFD | PDP-10 Sub File Directory |
| .SFD | Powerhouse Subfile Dictionary |
| .SFD | SoundStage Sound File Data |
| .SFD?? | SAS Version 6 Random Access File Consolidation Database (SAS Institute Inc.) |
| .SFE | Split Files Shell Extension |
| .SFF | Structured Fax Format |
| .SFF | Stage Scene File |
| .SFF | Soldier Front Client Map/Weapon/Character Model (NHN USA, Inc.) |
| .SFF | M.U.G.E.N Sprite (Elecbyte) |
| .SFF | Fritz Fax-Print File |
| .SFF | RVS-COM Fax File (Living Byte Software GmbH) |
| .SFI | SoundStage Sound File Info |
| .SFI | Ventura Publisher HP LaserJet Landscape Printer Font (Corel Corporation) |
| .SFI | SIS Framegrabber Graphics |
| .SFI | Ventura Printer Font |
| .SFI | Acoustic Modeler/Acoustic Mirror Acoustic Image (Sony) |
| .SFK | Sound Forge Peak Data File (Sony Corporation of America) |
| .SFK | Modem Spy Sound File (SoftCab Inc.) |
| .SFK | ACID PRO Audio Waveform (Sony Pictures Digital Inc.) |
| .SFL | SAM Data File |
| .SFL | LaserJet Landscape Font |
| .SFL | Ventura Printer Font |
| .SFM | DART Pro 98 Soundtree Structure |
| .SFN | SPX Font |
| .SFO | Playstation Setting File (Sony Corporation of America) |
| .SFO | CuteFTP Search File |
| .SFP | Ventura Printer Font |
| .SFP | LaserJet Portrait Font |
| .SFPACK | SFPack Compressed SoundFont (Megota Software) |
| .SFQ?? | SAS Version 6 Sequential Access File Consolidation Database (SAS Institute Inc.) |
| .SFR | Sonic Foundry Sample Resource (Sony) |
| .SFS | Sibelius Feature & Keyboard Shortcut Set (Sibelius Software Ltd) |
| .SFS | Orion Audio File (Synapse) |
| .SFS | StarOffice Frame (Sun) |
| .SFS | OpenOffice.org Frame (OpenOffice.org) |
| .SFS | Squashfs File System Image |
| .SFS | SaiFileReader |
| .SFS | Browser3D File |
| .SFS | PCL 5 Scalable Font |
| .SFT | ChiWriter Screen Font |
| .SFT | SoftGrid Program Package Container (Softricity, Inc.) |
| .SFT | SFT Loader SFT-queue File (Steven Schwarznau) |
| .SFV | Easy SFV Creator |
| .SFV | fsum SFV Checksum File (SlavaSoft Inc.) |
| .SFV | QuickSFV Checksum File Verification Database |
| .SFV | ExactFile Checksums in SFV Format (StudyLamp Software LLC.) |
| .SFVIDCAP | Sonic Foundry Video Capture Project (Sony Corporation of America) |
| .SFW | Sound Forge XP Studio Project (Sony) |
| .SFW | Seattle Film Works Bitmap Graphic (PhotoWorks) |
| .SFX | STATGRAPHICS*Plus Experimental Design File (Manugistics, Inc.) |
| .SFX | Self-extracting Archive |
| .SFZ | SFzip SoundFont File Archive |
| .SG | Sega SG-1000 Image File (Sega of America, Inc.) |
| .SG | SciGraphica Data File |
| .SG | Snap Quiktour File |
| .SG | ABC Snap Graphics User File |
| .SG | Disciples II Saved Game (Strategy First) |
| .SG1 | Stanford Graphics |
| .SG3 | ChessDB Game File (Dr. David Kirkby) |
| .SGA | Relic Entertainment SGA Archive (Relic Entertainment Inc.) |
| .SGA | Warhammer 40,000 Audio Archive (THQ Inc.) |
| .SGA | SEG-A Seismic Data Format |
| .SGB | SEG-B Seismic Data Format |
| .SGB | Super Gameboy Image File |
| .SGC | Secure SnapGear Router Configuration File (Secure Computing Corporation) |
| .SGC | SEG-C Seismic Data Format |
| .SGCAP | caseCATalyst (Stenograph, L.L.C.) |
| .SGCDB | caseCATalyst (Stenograph, L.L.C.) |
| .SGCPO | caseCATalyst (Stenograph, L.L.C.) |
| .SGD | Lahey Blackbeard Help File |
| .SGD | SameGame Data File |
| .SGD | SEG-D Seismic Data Format |
| .SGD | SmartGo Game Database (Smart Go, Inc.) |
| .SGD | GeneSnap SYNGENE Secure SGD Format (Synoptics Ltd.) |
| .SGDCT | caseCATalyst (Stenograph, L.L.C.) |
| .SGDK2 | Scrolling Game Development Kit Ver. 2 Project File (Benjamin Marty) |
| .SGEZT | caseCATalyst (Stenograph, L.L.C.) |
| .SGF | Smart Game Format |
| .SGF | StarWriter Document |
| .SGF | Sonique Document with Graphics (Skin) |
| .SGG | STATGRAPHICS*Plus StatGallery File (Manugistics, Inc.) |
| .SGGLB | caseCATalyst (Stenograph, L.L.C.) |
| .SGI | Sealed GIF Image (SealedMedia) |
| .SGI | Silicon Graphics IRIS Graphic File (Silicon Graphics, Inc.) |
| .SGIF | Sealed GIF File (SealedMedia) |
| .SGKBD | caseCATalyst (Stenograph, L.L.C.) |
| .SGL | Selectrocution Slogan Line File (SigmaTech Software) |
| .SGL | OpenOffice.org Master Document (OpenOffice.org) |
| .SGL | StarOffice Master Document (Sun) |
| .SGM | SoftQuad XMetaL File |
| .SGM | Standard Generalized Markup Language |
| .SGM | Encoded Archival Description Document (The Library of Congress) |
| .SGM | Visual Boy Advance Saved State File |
| .SGMAC | caseCATalyst (Stenograph, L.L.C.) |
| .SGML | Standard Generalized Markup Language |
| .SGML | Encoded Archival Description Document (The Library of Congress) |
| .SGN | Sierra Print Artist Sign |
| .SGNGL | caseCATalyst (Stenograph, L.L.C.) |
| .SGO | SansGUI Object Library File |
| .SGP | SansGUI Project Model File |
| .SGP | Sitestepper File (E.De.L.Com bvba) |
| .SGP | Acoustica MP3 Audio Mixer File |
| .SGP | ShareGuard (Zapper Software) |
| .SGP | STATGRAPHICS*Plus StatFolio File (Manugistics, Inc.) |
| .SGP | Security Camera Moving Image |
| .SGPGL | caseCATalyst (Stenograph, L.L.C.) |
| .SGPHN | caseCATalyst (Stenograph, L.L.C.) |
| .SGR | SimCity 4 Graphics Rules (Electronic Arts, Inc.) |
| .SGR | S-PLUS Saved Graph (Insightful Corporation) |
| .SGS | Sitestepper Skeleton File (E.De.L.Com bvba) |
| .SGS | SansGUI Schema Definition File |
| .SGSAV | caseCATalyst (Stenograph, L.L.C.) |
| .SGSTN | caseCATalyst (Stenograph, L.L.C.) |
| .SGSYS | caseCATalyst (Stenograph, L.L.C.) |
| .SGT | Signature Keyboard Macro |
| .SGT | Hitman Game Sound File |
| .SGT | DirectMusic Producer Segments Type (Microsoft Corporation) |
| .SGT | SPSS Chart Template (SPSS, Inc.) |
| .SGU | GJDV Word Processor Keyboard Definition File |
| .SGU | Band-in-a-Box (PG Music, Inc.) |
| .SGV | Security Camera Moving Image |
| .SGVX | Security Camera Moving Image |
| .SGW | Settler GOLD for Windows Data File |
| .SGW | Snap Quiktour File |
| .SGX | Lahey Fortran Help File Index |
| .SGX | SymbOS SGX Bitmap |
| .SGX | Rational XDE (IBM) |
| .SGXV | Sitestepper Extra Variables (E.De.L.Com bvba) |
| .SGY | SEG-Y Seismic Data Format |
| .sh | UNIX/LINUX Shell Script |
| .SH | UNIX shar Archive File |
| .SH | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SH3 | Harvard Graphics Presentation (Harvard Graphics) |
| .SH3D | Sweet Home 3D Project File (eTeks) |
| .SHA | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SHA | Systems Management Server (SMS) Site Hierarchy Addition (Microsoft Corporation) |
| .SHA | Unix SHAR |
| .SHA | CorelDRAW Shader (Corel) |
| .SHADER | Script File for Game Textures |
| .SHADER | Homeworld (Sierra Entertainment, Inc.) |
| .SHADOW | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SHAK | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SHAPE | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SHAPES | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SHAPES1 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SHAPES2 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SHAPES3 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .shar | UNIX Shar Archive File |
| .SHAR | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SHAREDVIEW | SharedView Connection File (Microsoft Corporation) |
| .SHB | Windows Shortcut into a Document |
| .SHB | Corel Background File |
| .SHD | Print Spooler Shadow File (Microsoft Corporation) |
| .SHD | Metatools Bryce Support Materials Catalogue |
| .SHD | ArcView ARC/INFO Shadeset Symbol File (ESRI) |
| .SHE | Windows 95 .ShellExt |
| .SHE | Medusa CAD File |
| .SHEET | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SHELL | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SHEPHERD | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SHF | Pretty Good Privacy (PGP) Share (PGP Corporation) |
| .SHG | Segmented Hypergraphics Bitmap |
| .SHGR | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SHH | Automated Setup Template |
| .SHI | Simple Help Editor Settings File (The Pandaware Company) |
| .SHIFTS | ARIA PIPP Chemical Shifts File |
| .SHINBO | ShipInBottle Compressed File |
| .SHIP | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SHIP | Homeworld Ship Data (Sierra Entertainment, Inc.) |
| .SHIPSECTION | Sword of the Stars Ship File (Kerberos Productions Inc.) |
| .SHIRAZ | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SHK | ShrinkIt Apple II Compressed Archive |
| .SHK | Shake Script (Apple Inc.) |
| .SHL | Inno Setup String Tables File |
| .SHM | WordPerfect Shell Macro (Corel Corporation) |
| .SHN | Shorten Audio Compression File (SoftSound Limited) |
| .SHO | MyPaintShow Screensaver Creation (Rett Software) |
| .SHOOTER | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SHOP | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SHORTCUT | As-U-Type Text Shortcut File (Fanix Software) |
| .SHOT | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SHOW | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SHP | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SHP | ESRI GIS & Mapping Software Shape File |
| .SHP | Printmaster Icon Library |
| .SHP | Command & Conquer File (Westwood Studios) |
| .SHP | AutoCAD Shape File and Source File for Text Fonts (Autodesk, Inc.) |
| .SHP | 3D Modeling |
| .SHP | GIS Software Geographic Shape File |
| .SHP | 3D Studio Shapes File (Autodesk, Inc.) |
| .SHP | ArcView Shape (ESRI) |
| .SHP | Clarion for Windows Ship List (SoftVelocity) |
| .SHP2 | Marathon 2 Graphics/Shape File (Bungie) |
| .SHR | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SHR | PDP-10 Shareable Hiseg |
| .SHR | shar Archive File |
| .SHR | Hanes T-ShirtMaker Design File (Hanes) |
| .SHRINK | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SHS | Shell Scrap Object File (Microsoft Corporation) |
| .SHT | WaveStar Datasheet (Oscilloscope Waveform) (Tektronix, Inc.) |
| .SHT | S-HTML Document |
| .SHTM | HTML File Containing Server Side Directives (Microsoft Corporation) |
| .SHTML | HTML File Containing Server Side Directives (Microsoft Corporation) |
| .SHTML3 | SHTML File |
| .SHU | SnippetHub Export/Import File (FormatBlue Software) |
| .SHUTDOWN | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SHV | Embroidery File |
| .SHW | Show File |
| .SHW | PMView Slideshow File (Nielsen Software Enterprises) |
| .SHW | Presentation SlideShow (Corel) |
| .SHW | WordPerfect Slide Show (Corel Corporation) |
| .SHW | Harvard Graphics DOS Ver. 2/x Presentation (Harvard Graphics) |
| .SHW | Expression Off-line 3.1 Show File |
| .SHWRE | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SHX | RAZR Flash File (Motorola, Inc.) |
| .SHX | ArcView DataBase Index (ESRI) |
| .SHX | GIS Software Geographic Shape Index File |
| .SHX | AutoCAD Shape Entities (Autodesk, Inc.) |
| .SHY | ShyFile Encrypted Binary Data (Dr. Bootz GmbH) |
| .SHZ | Ximage File |
| .SI | SoftImage Image File |
| .SI3 | Siemens Mobile Phone Sound File (Siemens) |
| .SI3 | ChessDB Index File (Dr. David Kirkby) |
| .SIA | Silo 3D Model (Nevercenter Ltd. Co.) |
| .SIAG | Scheme In A Grid Spreadsheet (Ulric Eriksson) |
| .SIB | Sibelius Music/Score File (Sibelius Software Ltd) |
| .SIB | ShipInBottle Compressed File |
| .SIC | Systems Management Server (SMS) Complete Software Inventory (Microsoft Corporation) |
| .SIC | Quicken 2002 Order File (Intuit Inc.) |
| .SID | ScanIt Document (AmsterCHEM) |
| .SID | LizardTech MrSID Photo (LizardTech, Inc.) |
| .SID | Commodore64 (C64) Music File (SID File) |
| .SID | Systems Management Server (SMS) Software Inventory Delta (Microsoft Corporation) |
| .SIDESPREAD | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SIERRA | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SIF | Windows NT Setup File |
| .SIF | Spatial Index (Autodesk, Inc.) |
| .SIF | ISIF Format Vector Data |
| .SIG | Pretty Good Privacy (PGP) Signs File (PGP Corporation) |
| .SIG | Print Shop Sign File |
| .SIG | Creatacard Fax Cover Sheet or Form or Sign or Photo Gallery Project (Broderbund) |
| .SIG | Signature File |
| .SIG | a-squared Anti-Malware Signature File (Emsi Software GmbH) |
| .SIG | Panda Signature File (Panda Software International S.L.) |
| .SIG | Powersim Studio Simulation Game (Powersim Software AS) |
| .SIG | Nicolet PRISM Data File (Nicolet Instrument Technologies, Inc.) |
| .SIG | SpyBot-Search-and-Destroy Ver. 1.2 Signature File |
| .SIGN | Archive |
| .SIGN | GnuPG Key File (Free Software Foundation, Inc.) |
| .SIGNUP | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SIK | Backup |
| .SIL | SmartInspect Log File (Gurock Software GmbH) |
| .SIL | Spameater Pro Import File |
| .SILK | Same as SLK |
| .SIM | Stagecast Creator Simulation (Stagecast Software, Inc.) |
| .SIM | PC Finder 2002C |
| .SIM | Aurora |
| .SIM | Simulation |
| .SIM | Telix SIMPLE Script Source |
| .SIM | SAP Course Material (SAP) |
| .SIM | ITI-SIM Model (ITI GmbH) |
| .SIM | PowerDVD File |
| .SIM | VTune Performance Monitor (Intel) |
| .SIM | PDP-10 Simula-67 Compiler Source |
| .SIMPLE | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SIMS2PACK | The Sims Compacted Resource File (Electronic Arts (Maxis)) |
| .SIN | Sin |
| .SIN | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SIN | Rise of Nations Campaign Media File (Microsoft Corporation) |
| .SIP | Scoptrax File |
| .SIP | Spider Player Icon Set Pack (VIT Software, LLC) |
| .SIP | Sitestepper Image Parameters (E.De.L.Com bvba) |
| .SIP | Powersim Studio Simulation Project (Powersim Software AS) |
| .SIP | SCRIPT Internet Protocol (Cubrix Group) |
| .SIQ?? | SAS Version 6 Sequential Access File Data File Index (SAS Institute Inc.) |
| .SIR | SIR (Scientific Information Retrieval) Database (ver 1-3) |
| .SIR | Solitaire Image Recorder |
| .SIR | BYU SIR |
| .SIS | SiSoftware Sandra Professional Business Script (SiSoftware) |
| .SIS | Student Information System Data File (Enray Consulting, Inc.) |
| .SIS | Symbian OS Installer File (Symbian) |
| .SIS | Nokia Phone Program (Nokia) |
| .SISHEN | Worm W32/Sonebot-C |
| .SISX | Symbian Series 3 Installation File (Symbian) |
| .SIT | Sinclair Snapshot |
| .SIT | PDP-10 Steven's Institute of Technology Load-and-Go Fortran-77 Compiler Source |
| .SIT | StuffIt Compressed Archive File (Smith Micro Software) |
| .SIT | IRT Cronista Infrared Image (GRAYESS Inc.) |
| .SIT?? | SAS Version 6 Random Access File Item Store File (SAS Institute Inc.) |
| .SITAR | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SITE | GoLive Website Project File (Adobe Systems Incorporated) |
| .SITES | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SITHQX | StuffIt Compressed Archive File |
| .SITX | StuffIt StuffIt X Archive (Aladdin Systems, Inc.) |
| .SIV | ShopCalc Pro File |
| .SIX | ShapeIdeas Information Exchange File (EarthStar Pty Ltd) |
| .SIX | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SIX | SIXEL Graphic |
| .SIXEL | SIXEL Graphic |
| .SIZ | Oracle 7 Configuration |
| .SIZED | Gallery Resized Photo (Bharat Mediratta) |
| .SJ1 | Sega SJ-1 DIGIO (Sega of America, Inc.) |
| .SJF | Split Files Shell Extension |
| .SJP | 3WayPack (The Three-Mode Company) |
| .SJP | Sealed JPEG Image (SealedMedia) |
| .SJPG | Sealed JPEG File (SealedMedia) |
| .SJS | SimCity Bulidings Add-on (Electronic Arts, Inc.) |
| .SJS | Sugar Script |
| .SJX | Seljax Estimating and 3D Design |
| .SJ_ | Superjam Compressed Audio File |
| .SK | Dispatch SAS Timetable File (Scott Andrew Borton) |
| .SK | Sketch Drawing |
| .SKA | Pretty Good Privacy (PGP) Secret Keyring (PGP Corporation) |
| .SKB | SketchUp Backup Document (Google) |
| .SKB | QuickPOS (Point-Of-Sale) Standard Keyboard Layout File |
| .SKC | Isis/Draw Molecule File (MDL Information Systems, Inc.) |
| .SKC | SKCARD SideKick for Windows |
| .SKCARD | SideKick for Windows Card File |
| .SKD | WinOrbit File |
| .SKD | Max Payne Model File (Rockstar Games) |
| .SKD | VEX Format File |
| .SKD | AutoSketch Drawing Database (Autodesk, Inc.) |
| .SKD | SSEYO Koan Design File |
| .SKELETON | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SKF | Sage Accounting Software Data (The Sage Group plc) |
| .SKF | AutoSketch Thumbnail (Autodesk, Inc.) |
| .SKF | SkinCrafter Skin File (SkinCrafter) |
| .SKI | Sage Accounting Software Instruction File (The Sage Group plc) |
| .SKI | RAZR Phone Skin (Motorola, Inc.) |
| .SKIN | InstallShield Skin File (Acresso Software Inc.) |
| .SKL | WinLIFT Skin (Patrice Terrier) |
| .SKL | Authorware Resource (Adobe Systems Incorporated) |
| .SKM | STarKos Tune |
| .SKM | SketchUp Material Texture File (Google) |
| .SKM | SSEYO Koan Mix File |
| .SKN | Windows Media Player for Pocket PC Skin (Microsoft Corporation) |
| .SKN | StormFront Skin (Simutronics Corp) |
| .SKN | Photono-Software Stealther Skin |
| .SKN | eRocket eBook Skin |
| .SKN | FileWrangler/SecurDesk!/ImageForge Graphic Skin |
| .SKN | Skantek |
| .SKN | The Sims 3D Body Mesh Skin Data (Electronic Arts (Maxis)) |
| .SKN | Virtual TI Skin |
| .SKNPRJ | The Sims 2 Body Shop Saved Information (Electronic Arts, Inc.) |
| .SKO | Sage Accounting Software Executable (The Sage Group plc) |
| .SKP | SketchUp Document (Google) |
| .SKP | SSEYO Koan Play File |
| .SKP | Sage Accounting Software Print Format (The Sage Group plc) |
| .SKP | AutoSketch SketchUp Component (Autodesk, Inc.) |
| .SKR | ScriptIt (Microsoft Corporation) |
| .SKR | Pretty Good Privacy (PGP) Private Keyring (PGP Corporation) |
| .SKS | Expression 3 Skeletal Strokes (Creature House Ltd.) |
| .SKS | Show.kit Template (Eltima Software GmbH.) |
| .SKS | Shareaza Skins File (Shareaza Pty. Ltd.) |
| .SKT | SSEYO Koan Template File |
| .SKT | WinSketch Pro Diagram (Jammin Software, Inc.) |
| .SKT | Shorten Audio File Seek Table (SoftSound Limited) |
| .SKW | SKWRITE SideKick Write or Calendar |
| .SKWRITE | SKWRITE SideKick Write or Calendar |
| .SKX | Segue Roaming Client Skin (PCTEL) |
| .SKY | ActiveSky Movie Clips for Palm OS (Active Sky Research) |
| .SKY | SKY Compressed Archive |
| .SKY | Multiplan SYLK Spreadsheet File |
| .SKZ | coverXP Skin File |
| .SK_ | Audio Utility Koan Compressed File |
| .SL | S-Lang Program File |
| .SL | Sam Spade Startup Script (Steve Atkins) |
| .SL | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SL | EROSION 3D Soil Parameters |
| .SL | PACT's Save Layout |
| .SL | HP-UX Shared Library (Hewlett-Packard Development Company, L.P.) |
| .SLA | Scribus Document (Franz Schmid) |
| .SLABFACE | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SLAP | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SLASHER | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SLASHER2 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SLB | P-CAD Symbols Library (Altium Limited) |
| .SLB | AutoCAD Slide Library (Autodesk, Inc.) |
| .SLC | Telix Compiler SALT Script |
| .SLC | Business Integrator License File (Pervasive Software Inc.) |
| .SLC | CAD Slice File |
| .SLD | Paint Shop Pro Styled Line (Corel Corporation) |
| .SLD | NEPLAN NEPLAN-DOS Graphic Import/Export File (BCP Busarello + Cott + Partner Inc.) |
| .SLD | STABCAL (stability calculation for aqueous systems) File |
| .SLD | XnView Slide Show (Pierre-Emmanuel Gougelet) |
| .SLD | AutoCAD Slide (Autodesk, Inc.) |
| .SLD | Superlister |
| .SLDASM | SolidWorks Assembly Document (SolidWorks Corporation) |
| .SLDDRW | SolidWorks Drawing Document (SolidWorks Corporation) |
| .SLDLFP | SolidWorks Library Feature Part (SolidWorks Corporation) |
| .SLDPRT | SolidWorks Part File (SolidWorks Corporation) |
| .SLE | Steganos Security Suite Virtual Secure Drive (Steganos GmbH) |
| .SLE | Sisulizer Exchange (Sisulizer Ltd & Co KG) |
| .SLE | SurfPlan Kite Project (David Aberdeen) |
| .SLEIGH | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SLF | SLIDE: Scene Language for Interactive Dynamic Environments File |
| .SLF | Suppose Stand List File |
| .SLF | SortWizard Export Format |
| .SLF | Segment Layout File |
| .SLF | NTgraph Setup30 File |
| .SLF | Symantec License File (Symantec Corporation) |
| .SLF | SuperLink Folder Manager for Readers |
| .SLF | Select-a-Net Language File (Digerati Technologies, LLC) |
| .SLF | Mail Warden |
| .SLF | Jagged Alliance 2 |
| .SLF | Shopcalc List File |
| .SLG | WellSight Oil Well Log (WellSight Systems Inc.) |
| .SLG | Chromeleon Audit Trail |
| .SLG | AutoCAD Status Log (Autodesk, Inc.) |
| .SLG | Safend Protector Encrypted, Protected Data/log File (Safend) |
| .SLI | Slice |
| .SLI | ENVI Spectral Library File (ITT Visual Information Solutions) |
| .SLI | MagiCorp Side Service Slide |
| .SLICKEDIT | Bugslayer Tracesrv File |
| .SLIP | CodeGear License File (Embarcadero Technologies, Inc.) |
| .SLIP | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SLK | Data Exchange File |
| .SLK | Timeslips Lock File |
| .SLL | Static Link Library |
| .SLL | Sound File |
| .SLL | Smalltalk Library |
| .SLL | Spreadsheet Load Library |
| .SLL1 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SLL7 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SLM | Visual FoxPro (Microsoft Corporation) |
| .SLN | Windows Installer XML (WiX) Solution (Microsoft Corporation) |
| .SLN | Asterisk Native Data Format (Digium, Inc.) |
| .SLN | Visual Studio .NET Solution (Microsoft Corporation) |
| .SLO | Webalizer.01 Language File |
| .SLO | Dazzle Dazzle Realization Solo |
| .SLOW | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SLP | Pro/ENGINEER Rendering File (PTC) |
| .SLP | Sisulizer Project (Sisulizer Ltd & Co KG) |
| .SLP | Timeslips Data File |
| .SLP | Rise of Nations Campaign Media File (Microsoft Corporation) |
| .SLT | Telix SALT Script Application |
| .SLT | FinSafe Terminal Smartlet |
| .SLT | Selection |
| .SLT | K-Meleon Browser Settings |
| .SLT | Super Level Loader Snapshot |
| .SLT | ZX Spectrum-Emulator |
| .SLTNG | StarLogo TNG Open Starlogo TNG file (MIT Scheller Teacher Education Program) |
| .SLU | Business Integrator Upgrade License File (Pervasive Software Inc.) |
| .SLV | Silva Export/Import Format (Infrae) |
| .SLW | Settler LITE for Windows Data File |
| .SLW | SleepScan Analysis Offset Index File (Bio-logic Systems Corp.) |
| .SLX | FinSafe Terminal XML Smartlet Control |
| .SLX | Superlister |
| .SLY | Parts of a Lilypond Guitar File |
| .SLY | Complete Works Spreadsheet Template (Toplevel Computing) |
| .SM | Samna Word Text File |
| .SM | StepMania Song File (StepMania Team) |
| .SM | SoftSpoken Mailer Mailing List |
| .SM | ScriptMaker Script |
| .SM | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SM | Simentor Data File |
| .SM | Smalltalk Program File |
| .SM | SignMate Graphic (Roland DGA Corporation) |
| .SM$ | Modem Bitware Fax Disk2 File |
| .SM+ | DataCAD Plus Symbol File (DATACAD LLC) |
| .SM2 | SediMeter Field Data File (Lindorm, Inc.) |
| .SM2 | Terrasoft Summary Table |
| .SM3 | DataCAD Symbol File (DATACAD LLC) |
| .SMA | Counter-Strike Add-on Source Code (Valve Corporation) |
| .SMA | Silva Media Archive (Infrae) |
| .SMA | Scrapbook Factory Album File (Nova Development Corporation) |
| .SMAF | SMAF Ringtone |
| .SMALL | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SMALLER | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SMART1 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SMART2 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SMART3 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SMART4 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SMARTDEBUG | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SMARTDTS | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SMARTGSOS | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SMARTHCGS | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SMARTMATH | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SMARTMISC | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SMARTPORT | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SMARTRECS | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SMARTSANE | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SMARTSPEECH | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SMARTSTACKS | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SMC | Super Nintendo Game-console ROM Image (Nintendo) |
| .SMC | Soundweb Macro (BSS Audio) |
| .SMC | SmartMaster LOTUS Freelance Graphics 9x Scene File |
| .SMCL | Stata Saved Formatted Logs |
| .SMD | IMail Server Mail Message (Ipswitch, Inc.) |
| .SMD | Sega Genesis/Mega Drive Emulator ROM Image (Sega of America, Inc.) |
| .SMD | SmartWare II, version 1.02 |
| .SMD | StarOffice Mail (Sun) |
| .SMD | OpenOffice.org Mail Document (OpenOffice.org) |
| .SMD | Steam Source SDK Model Source File (Valve Corporation) |
| .SMD | Polyphonic Ringtone File for Phones |
| .SMDF | Surface Magic Design File (Designer Software LLC) |
| .SMDL | SQL Server Report Model (Microsoft Corporation) |
| .SMDL | UTD File Sharing Server Control File |
| .SME | SmartEncryptor Encrypted Archive (SmartSoft) |
| .SMF | System Monitor Session (Towodo Software) |
| .SMF | Standard MIDI File |
| .SMF | OpenOffice.org Formula (OpenOffice.org) |
| .SMF | Smartfax Fax |
| .SMF | StarOffice Formula (Sun) |
| .SMFX | Fusion Pro Temporary Database File (S-Matrix Corporation) |
| .SMG | inChorus Media Player Sound File (inChorus) |
| .SMH | Sealed MHT Document (SealedMedia) |
| .SMHT | Sealed MHT Archive (SealedMedia) |
| .SMI | Siemens Mobile Phone Inbox SMS File (Siemens) |
| .SMI | Self Mounting Image File (Apple Inc.) |
| .SMI | RealPlay SMIL File (RealNetworks, Inc.) |
| .SMI | CC:Mail Smart Icon (IBM) |
| .SMI | SMILES (Daylight Chemical Information Systems, Inc.) |
| .SMI | Synchronized Multimedia Integration Language |
| .SMIL | Synchronized Multimedia Integration Language |
| .SMIL | Real Player Sound File |
| .SMITH | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SMK | Deer's Revenge Image File |
| .SMK | Starcraft Portrait File |
| .SMK | Smacker Compressed Video (RAD Game Tools, Inc.) |
| .SMK | Nascar Racing 99 Image File |
| .SML | Simple Markup Language |
| .SML | Synchronized Multimedia Integration Language |
| .SML | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SML | Simile Model File (Simulistics Ltd.) |
| .SML1 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SML2 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SML3 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SMLICENSE | Screen Mimic License File (Decimus Software, Inc.) |
| .SMM | Ami Pro Macro (IBM) |
| .SMM | Smart Install Maker Project File (InstallBuilders Company) |
| .SMN | ParaGraph WorkScript Font |
| .SMN | Samma Word Text |
| .SMO | Siemens Mobile Phone Outbox SMS File (Siemens AG) |
| .SMO | Tony Hawk's Pro Skater Music File (Neversoft Entertainment) |
| .SMO | SmartMorph Saved Animation Instructions (MeeSoft) |
| .SMO | Sealed QuickTime Movie (SealedMedia) |
| .SMOOTH | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SMOV | Sealed QuickTime Movie File (SealedMedia) |
| .SMP | Scream Tracker Sample |
| .SMP | Sprintbit Playlist Manager Media Playlist (Sprintbit Corporation) |
| .SMP | Reason NN19 Sampler Instrument Patch (Propellerhead Software) |
| .SMP | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SMP | Screensaver Maker Project File (21hua.com) |
| .SMP | PhotoImpact Presets (Ulead Systems, Inc.) |
| .SMP | Sample or Samplevision Format |
| .SMP | Sound File |
| .SMP | IMail Server Mail Message (Ipswitch, Inc.) |
| .SMP | Ad Lib Gold Sample |
| .SMP | Photo Express Gallery (Ulead) |
| .SMP | Swell Audio (Sampled Data) (Hitech Development AB) |
| .SMP | Xionics SMP image |
| .SMP3 | Sealed MP3 File (SealedMedia) |
| .SMPEG | Sealed MPEG Movie (SealedMedia) |
| .SMPG | Sealed MPG Movie (SealedMedia) |
| .SMQ?? | SAS Version 6 Sequential Access File Multi-dimensional Database (SAS Institute Inc.) |
| .SMR | Study Model Manager Study Model Visual Record (Gulf Breeze Orthodontic Laboratory) |
| .SMR | Spike2 Data File (Cambridge Electronic Design) |
| .SMRD | InDesign Import/Export Filter (Adobe Systems Incorporated) |
| .SMS | Package Definition File (Microsoft Corporation) |
| .SMS | Train Simulator Sound Management System (Microsoft Corporation) |
| .SMS | Open ModelSphere Model file (Grandite) |
| .SMS | Sega Master System ROM Image (Sega of America, Inc.) |
| .SMT | Apollo Database Engine Memo File |
| .SMT | Creator Simulator Symbol File (Tufts University) |
| .SMT | CAD Program SMT-circuit Layout |
| .SMT | HiPer-Six Memo File |
| .SMT | SmartWare II Text File |
| .SMT | QuickBooks (Intuit Inc.) |
| .SMT | IconAuthor SmartObject |
| .SMU | Simple Musical Score |
| .SMV | Saved Mail Video |
| .SMV | Snes9x Movie Capture Format (The Snes9X Team) |
| .SMV | Cadence Symbolic Model Verifier File |
| .SMV | Streaming Mobile Video File |
| .SMV | VideoLink Mail Video File (Smith Micro Software) |
| .SMV | MATLAB (The MathWorks, Inc.) |
| .SMV | SigmaTel Motion Video (SigmaTel Inc.) |
| .SMW | SIMPL Windows Source File (Creston) |
| .SMW | Stenn Media Web Script (StennMedia) |
| .SMWT | InDesign Import/Export Filter (Adobe Systems Incorporated) |
| .SMX | Rational XDE (IBM) |
| .SMX | Statistica Matrix Spreadsheet |
| .SMX | SoniqSync (SoniqCast, LLC) |
| .SMX | SysMetrix Skin (Nicholas Decker) |
| .SMZ | Audio/Video |
| .SMZIP | StepMania Package File (StepMania Team) |
| .SM_ | Seqmax Seqprest Compressed Audio File |
| .SN | Serial Number File |
| .SN | Pg4uw Serialization File (Elnec s.r.o.) |
| .SN | Sound Club Editor Compressed Song |
| .SN | Dispatch Sabena Timetable File (Scott Andrew Borton) |
| .SN1 | Drive SnapShot Partial Disk Image File (Tom Ehlert Software) |
| .SN2 | Sound Club (Bluemoon Interactive) |
| .SN2 | Drive SnapShot Partial Disk Image File (Tom Ehlert Software) |
| .SN3 | ChessDB Name File (Dr. David Kirkby) |
| .SN3 | Drive SnapShot Partial Disk Image File (Tom Ehlert Software) |
| .SN4 | Drive SnapShot Partial Disk Image File (Tom Ehlert Software) |
| .SN5 | Drive SnapShot Partial Disk Image File (Tom Ehlert Software) |
| .SNA | Corel Snapfire Slideshow Project File (Corel Corporation) |
| .SNA | Drive SnapShot Disk Image File (Tom Ehlert Software) |
| .SNA | Z80 Game Snapshot |
| .SNAG | SnagIt Capture (TechSmith Corporation) |
| .SNAKE | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SNAP | Mirage Microdrive Snapshot |
| .SNAPFIREPROJECT | Corel Project File (Corel Corporation) |
| .SNAPFIRESHOW | Corel Enhanced Slideshow (Corel Corporation) |
| .SNAPSHOT | Mirage Microdrive Snapshot |
| .SNARE2 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SNB | SigmaStat File |
| .SNC | Sonic Adventure DX Chao Garden and Game Progress (Sega of America, Inc.) |
| .SNC | ACT! E-mail/Folder Synchronization File (Best Software CRM Division) |
| .SNC | Sonarc Compressed RAW PCM Audio |
| .SND | AKAI MPC-series Sample |
| .SND | Amiga Sound (Amiga) |
| .SND | Heroes of Might & Magic 3 Archive |
| .SND | Interplay/MusicStudio Sound |
| .SND | Sounder/Soundtools Sound |
| .SND | Sega FILM/CPK File Format (Sega of America, Inc.) |
| .SND | Macintosh Sound Resource (Apple Inc.) |
| .SND | Wired For Sound |
| .SND | Sound Clip |
| .SND | M.U.G.E.N Sound (Elecbyte) |
| .SND | Software Toolworks Sound |
| .SND | Raw Unsigned PCM Data |
| .SND2 | Marathon 2 Encoded Sound File (Bungie) |
| .SNDJ | Audio Module |
| .SNDR | Sounder Sound |
| .SNDS | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SNDSAO | Aleph One Sounds (Marathon Open Source) |
| .SNDT | SNDTool Sound |
| .SNES | Super Nintendo Game File (Nintendo) |
| .SNF | UNIX Font File |
| .SNF | Starry Night Document (Imaginova Canada Ltd.) |
| .SNF | DESQview Font (Symantec Corporation) |
| .SNG | KORG Song (KORG) |
| .SNG | Song |
| .SNG | GoatTracker C64 Song File (Covert BitOps) |
| .SNG | DeskMate Song |
| .SNG | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SNG | Midisoft Studio MIDI Song |
| .SNI | MDK Archive |
| .SNI | SynthEyes Scene File (Andersson Technologies LLC) |
| .SNIFFER | Sniffer Trace File |
| .SNIP | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SNK | Strong Name Key File (Microsoft Corporation) |
| .SNL | Egrid32 Form Snippet (Elias Montoya) |
| .SNM | Netscape Mail E-mail Message File (Netscape) |
| .SNM?? | SAS Version 6 Random Access File Data Mining Database (SAS Institute Inc.) |
| .SNO | SNOBOL Program File |
| .SNO | Siege Editor Node |
| .SNO | PDP-10 SNOBOL Compiler Source |
| .SNOOP | Sun Snoop Capture File |
| .SNOW | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SNOWFLKS | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SNP | Computer Eyes Video Output |
| .SNP | CoffeeCup HTML Editor Snippet (CoffeeCup Software, Inc.) |
| .SNP | SQL Compare Ver 3.xx File (Red Gate Software Limited) |
| .SNP | READIBM |
| .SNP | Snapview Snapshot |
| .SNP | Access Snapshop (Microsoft Corporation) |
| .SNP | Worm W32/Nafbot-B |
| .SNT | Sticky Notes (Microsoft Corporation) |
| .SNT | Tonline E-mail Sent File |
| .SNT | VISSDK Vislocalinfo File (Microsoft Corporation) |
| .SNU | AVG File (AVG Technologies) |
| .SNW | Sweave Source File (Friedrich Leisch) |
| .SNX | Mirage Microdrive Snapshot Extended Version |
| .SNX | Second Nature Screensaver Graphic (Second Nature) |
| .SNX | QuickBooks Data (Intuit Inc.) |
| .SNX | StarCraft Saved File (Blizzard Entertainment) |
| .SNX?? | SAS Version 6 Random Access File Data File Index (SAS Institute Inc.) |
| .SNYDERSPEED | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SN_ | Guitarws Compressed Audio File |
| .so | UNIX Shared Library Function |
| .SO | Fortran 90 Shared Object |
| .SO | TAPCIS Sysop Commands (Sysop Version Only) |
| .SO | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SO | Executable and Linkable Format File |
| .SO | Oberlin DRAGN Graph Algorithm |
| .SO2 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SOA | Sage MAS 90 Accounting Software File |
| .SOB | Visual Basic (Microsoft Corporation) |
| .SOC | SociometryPlus Sociometric Group |
| .SOC | Uefa Champions League Logic File |
| .SOD | Spear of Destiny Data File (Id Software, Inc.) |
| .SOD | e.Spreadsheet Design (Actuate Corporation) |
| .SOD | Star Trek Armada 3D Image File |
| .SOE | Shadows of the Empire |
| .SOF | Quartus II SRAM Object File (Altera Corporation) |
| .SOF | ReSOF Archive (Spectrum Software) |
| .SOFTDISK | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SOFTWARE | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SOI | MENSI 3D Laser Enhanced 3D Scanner File (Trimble Navigation Limited) |
| .SOI | e.Spreadsheet Document (Actuate Corporation) |
| .SOK | Sokoban++ Level File |
| .SOL | Flash MX SharedObject (Adobe Systems Incorporated) |
| .SOL | MATRA Prelude Solids |
| .SOL | Game Solution |
| .SOLITAIRESAVE-MS | Solitaire Saved Game (Microsoft Corporation) |
| .SOLVE | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SOM | Quattro Pro Network Serial Numbers |
| .SOM | Paradox Sort Info |
| .SON | SoundBlaster Studio II Song File (Creative Labs) |
| .SON | SBStudio Song File |
| .SONATA | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SONG | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SONG | System 7 Sound |
| .SONG1 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SONG3 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SONG4 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SONG5 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SONGWRITING | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SONIC | MediaHub File (Sonic Solutions) |
| .SOQ?? | SAS Version 6 Sequential Access File Output Delivery System File (SAS Institute Inc.) |
| .SOR | Shot Online Resource File (OnNet USA) |
| .SOR | ChessDB Repertoire File (Dr. David Kirkby) |
| .SOR | SOR OTDR Data |
| .SOR | Paradox Sort Definition (Borland Software Corporation) |
| .SOR | Adobe Flash Media Server File System Object (Adobe Systems Incorporated) |
| .SORT | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SORT1 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SORT2 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SORTER | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SOS | Adventure SOS Compiled Adventure Game Walkthrough (Hungry Software) |
| .SOS | DRS SOSKIT Barcode Decode Instructions (DRS Data & Research Services plc) |
| .SOS | Dynamite VSP Swept Object Style (3am Solutions (UK) Limited) |
| .SOS | EnSight Master Server File (Computational Engineering International (CEI)) |
| .SOT | Adventure SOS Adventure Game Walkthrough Source File (Hungry Software) |
| .SOU | SBStudio Sound File |
| .SOU | SoundBlaster Studio Sound File (Creative Labs) |
| .SOU | LucasArts Sound File (Lucasfilm Entertainment Company Ltd.) |
| .SOU | Sound Tool Sound |
| .SOUND | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SOUND | Macintosh Sound Resource (Apple Inc.) |
| .SOUNDCOM | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SOUNDEX | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SOUNDS | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SOUNDS | System 7 Sound |
| .SOUNDSMITH | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SOUP | Message / E-mail |
| .SOURCE | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SOURCE2 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SOURCE3 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SOURCES | Squeak Source File |
| .SOURCES | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SOW | ARJ Archive |
| .SOX | Schema for Object Oriented XML |
| .SOX | e.Spreadsheet Executable (Actuate Corporation) |
| .SO_ | Score MIDIprglite Compressed File |
| .SP | Splint Compressed Archive File |
| .SP | VgaSpec/Spectrum Snapshot |
| .SP | Spice Data |
| .SP | Micrografx ABC Snap Graphic |
| .SP | ZX Spectrum-Emulator Source Profile |
| .SP | SignPlot Sign-face Data Format File (Buchanan Computing) |
| .SP | SPECTRUM Snapshot |
| .SP | Supaplex Demo File (Elmer Productions) |
| .SP# | ShadowProtect Incremental Image (StorageCraft Technology Corporation) |
| .SP1 | Various Games |
| .SP2 | Various Games |
| .SP4 | 20-20 CAP Studio Worksheet File (20-20 Technologies) |
| .SP? | LoseThos C+ Source File (Terry A. Davis) |
| .SPA | SmartPA Saved Capture File |
| .SPA | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SPA | Spectral Data File |
| .SPA | Smart Protocol Analyzer Real Time Communication Data |
| .SPA | Advanced Computer Architecture Traffic Simulation |
| .SPA | Thermo Nicolet OMNIC File |
| .SPA | FutureSplash Flash File (Macromedia) |
| .SPACE | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SPACE-HEAD! | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SPACE1 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SPACECHECK | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SPACEDEBRIS | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SPACEINDENT | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SPACEINV | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SPACELOVE | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SPACEREVOLUTION | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SPACEWALK | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SPADE | Snort File |
| .SPADES | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SPAM | Spam E-mail Message |
| .SPAR | Simple Perl ARchive manager |
| .SPARC | Skype Extra (Skype Limited) |
| .SPARC | Sun OS4 File |
| .SPARSE | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SPARSEIMAGE | OS X Disk Image (Apple Inc.) |
| .SPB | ToolBook Instructor/Assistant Book (SumTotal Systems, Inc.) |
| .SPB | SpareBrains |
| .SPC | Spectral and Chromatographic Data File (Thermo Electron Corporation) |
| .SPC | SpchComp Encoded Speech/Audio |
| .SPC | 2D Graphic |
| .SPC | Thermo Galactic SPC File Format |
| .SPC | SoundScape Sound Scheme (Pollen Software pty ltd) |
| .SPC | Atari Compressed Spectrum File Bitmap Graphic (Atari) |
| .SPC | X-12-Arima Input Specification File (U.S. Census Bureau) |
| .SPC | WordPerfect Temporary File (Corel Corporation) |
| .SPC | Crimson Editor Language Specification (Ingyu Kang) |
| .SPC | Interact Shark Port Code Save (Mad Catz, Inc.) |
| .SPC | Multiplan Program |
| .SPC | PKCS #7 Certificate |
| .SPC | Super NES Music/Audio Data |
| .SPC | Spectrum 512 Smooshed/Compressed File |
| .SPD | Sealed Acrobat Document (SealedMedia) |
| .SPD | SCRATCHPAD Algebra File (IBM) |
| .SPD | SafeNet MUVPN Security Policy Database (WatchGuard Technologies, Inc.) |
| .SPD | SpyProof! Encrypted Disk Data (Information Security Corporation) |
| .SPD | Bitstream Speedo Scalable Font (Bitstream Inc.) |
| .SPD | Patch File (Adobe Systems Incorporated) |
| .SPD | Harvard Graphics Bitstream Typefaces (Harvard Graphics) |
| .SPD | Mini-driver |
| .SPD | WinLens Lens Design File (LINOS Photonics GmbH & Co. KG) |
| .SPD | ACT! SideACT! Data (Best Software CRM Division) |
| .SPD | PostScript Printer (Adobe Systems Incorporated) |
| .SPD | SoftPlan Architectural Drawing File (SoftPlan Systems Inc.) |
| .SPD | Speech Data File |
| .SPDESIGNASAX | SharePoint Designer (Microsoft Corporation) |
| .SPDESIGNASMX | SharePoint Designer (Microsoft Corporation) |
| .SPDESIGNBOT | SharePoint Designer (Microsoft Corporation) |
| .SPDESIGNCONFIG | SharePoint Designer Configuration File (Microsoft Corporation) |
| .SPDESIGNCSS | SharePoint Designer CSS File (Microsoft Corporation) |
| .SPDESIGNDOCLIB | SharePoint Designer Design Library (Microsoft Corporation) |
| .SPDESIGNEDITED | SharePoint Designer (Microsoft Corporation) |
| .SPDESIGNHOMEOP | SharePoint Designer (Microsoft Corporation) |
| .SPDESIGNHOMEPG | SharePoint Designer (Microsoft Corporation) |
| .SPDESIGNHTML | SharePoint Designer (Microsoft Corporation) |
| .SPDESIGNHTT | SharePoint Designer (Microsoft Corporation) |
| .SPDESIGNJS | SharePoint Designer (Microsoft Corporation) |
| .SPDESIGNLINKBAR | SharePoint Designer (Microsoft Corporation) |
| .SPDESIGNLIST | SharePoint Designer (Microsoft Corporation) |
| .SPDESIGNLISTDATA | SharePoint Designer (Microsoft Corporation) |
| .SPDESIGNMASTER | SharePoint Designer (Microsoft Corporation) |
| .SPDESIGNNAV | SharePoint Designer (Microsoft Corporation) |
| .SPDESIGNNOPUB | SharePoint Designer (Microsoft Corporation) |
| .SPDESIGNOPEN | SharePoint Designer (Microsoft Corporation) |
| .SPDESIGNPICLIB | SharePoint Designer (Microsoft Corporation) |
| .SPDESIGNRESX | SharePoint Designer (Microsoft Corporation) |
| .SPDESIGNSITEMAP | SharePoint Designer Site Map (Microsoft Corporation) |
| .SPDESIGNSKIN | SharePoint Designer Skin (Microsoft Corporation) |
| .SPDESIGNSURVEY | SharePoint Designer (Microsoft Corporation) |
| .SPDESIGNTHEME | SharePoint Designer Theme (Microsoft Corporation) |
| .SPDESIGNTXT | SharePoint Designer Text (Microsoft Corporation) |
| .SPDESIGNUNKNOWN | SharePoint Designer (Microsoft Corporation) |
| .SPDESIGNWEB | SharePoint Designer (Microsoft Corporation) |
| .SPDESIGNWFDOCLIB | SharePoint Designer (Microsoft Corporation) |
| .SPDESIGNXML | SharePoint Designer (Microsoft Corporation) |
| .SPDESIGNXOML | SharePoint Designer (Microsoft Corporation) |
| .SPDESIGNXSL | SharePoint Designer (Microsoft Corporation) |
| .SPDESIGNXSLT | SharePoint Designer (Microsoft Corporation) |
| .SPDF | Sealed PDF File (SealedMedia) |
| .SPE | WinView CCD Image Format (Princeton Instruments - a division of Roper Scientific) |
| .SPEC | General Specification File |
| .SPECS | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SPEED | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SPEF | SP Text Encoder Encoded Text File (SP Programs) |
| .SPEF | Standard Parasitic Extraction Format |
| .SPELL | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SPELLING | As-U-Type Spelling Dictionary (Fanix Software) |
| .SPF | StruCad 3D Model File (AceCad Software Ltd.) |
| .SPF | Still Picture Interchange File Format Bitmap |
| .SPF | ShadowProtect Full Image (StorageCraft Technology Corporation) |
| .SPF | Site Publisher Profile |
| .SPF | Setup File |
| .SPF | Jose SciEditor Project |
| .SPF | SlingPlayer Saved Favorites File (Sling Media) |
| .SPF | EnerGraphics Slide Presentation |
| .SPF | 2D Graphic |
| .SPG | Sprint Glossary |
| .SPG | TCP Optimizer Saved Settings (Speed Guide, Inc.) |
| .SPH | Pov-ray for Windows (Persistence of Vision Raytracer Pty Ltd.) |
| .SPH | Ribbons Sphere |
| .SPH | SDR99 Speech Recognition Task SPHERE Waveform |
| .SPHELP | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SPHERES | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SPHH | Smart Pet Health Home Main Database (Programming Sunrise) |
| .SPHP | Smart Pet Health Professional Main Database (Programming Sunrise) |
| .SPI | Scanner Graphics |
| .SPI | ShadowProtect Incremental Disk Changes (StorageCraft Technology Corporation) |
| .SPI | Stupsi Script |
| .SPIDERSOLITAIRESAVE-MS | Spider Solitaire Saved Game (Microsoft Corporation) |
| .SPIEL | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SPIFF | Still Picture Interchange File Format Bitmap |
| .SPINES | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SPJ | Site Publisher Project File (Helexis Software Development) |
| .SPJ | Digitrax Sound Project (Digitrax, Inc.) |
| .SPK | SYNETSIM Spiked Firing Output File |
| .SPK | Acorn Spark Compressed Archive |
| .SPK | SpyProof! Encrypted Symmetric Key File (Information Security Corporation) |
| .SPL | Sound |
| .SPL | Spell Checker |
| .SPL | Windows Printer Spool File |
| .SPL | Split Files Shell Extension |
| .SPL | Sprint Printer Driver |
| .SPL | Shockwave Flash Object |
| .SPL | Sample File |
| .SPL | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SPL | Flash FutureSplash Document (Adobe Systems Incorporated) |
| .SPL | Compressed Archive File |
| .SPL | Sprint Customized Printer Driver |
| .SPL | Infinity Game Engine Spell (BioWare Corp.) |
| .SPL | Macromedia FutureSplash File |
| .SPL | SoniqSync (SoniqCast, LLC) |
| .SPL | Digitrakker Sample |
| .SPLIT | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SPLITTER | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SPM | Super Password Manager Data File |
| .SPM | Seven Package Manager Software Package (Matt Paulauskas) |
| .SPM | Source Package Manager File (Red Hat, Inc.) |
| .SPM | WordPerfect (Corel Corporation) |
| .SPN | WordPerfect Distribution File (Corel Corporation) |
| .SPN | Spanish Readme |
| .SPN | Sealed PNG Graphic (SealedMedia) |
| .SPNG | Sealed PNG Graphic (SealedMedia) |
| .SPO | SPSS Output Document (SPSS, Inc.) |
| .SPOO | VirtuaSys (VirtuaSys :: Sistemas Virtuais) |
| .SPOP | InterTrust SPOP |
| .SPOT | Sealed PowerPoint Template (SealedMedia) |
| .SPOT | SPOT Satellite Image Bitmap |
| .SPP | XSLT Designer Virtual Project (Altova) |
| .SPP | PhotoPlus Native Format File (Serif) |
| .SPP | Sprint Printer File |
| .SPP | Scrapbook Factory Data File (Nova Development Corporation) |
| .SPP | SPSS Windows Production Mode Output (SPSS, Inc.) |
| .SPP | NMS-Edit Professional Project (ITI-Innovative Technology Inc.) |
| .SPP | Sealed PowerPoint Presentation (SealedMedia) |
| .SPPACK | SPPack Sound Sample |
| .SPPT | Sealed PowerPoint File (SealedMedia) |
| .SPQ?? | SAS Version 6 Sequential Access File Permanent Utility File (SAS Institute Inc.) |
| .SPR | Lutin |
| .SPR | Sizzler Streaming Animation |
| .SPR | Half-Life Sprite (Sierra Entertainment, Inc.) |
| .SPR | Star Trek Armada Sprite Information |
| .SPR | RiscOS Archimedes Sprite Format |
| .SPR | Pro Motion Sprites Sequence/Animation (Cosmigo) |
| .SPR | Brother Powernote Spreadsheet |
| .SPR | Foxpro Generated Screen Program (Microsoft Corporation) |
| .SPR | Psion Series 3 Spreadsheet (Psion PLC) |
| .SPR | NeroMix (Nero AG) |
| .SPR | Dreamcast VR Texture (Sega) |
| .SPR | Telelogic Tau SDL Suite Design File (Telelogic AB) |
| .SPR | Live for Speed Single Player Replay (Live for Speed) |
| .SPR | Sprint Document (Borland Software Corporation) |
| .SPR | IDSoftware Sprite |
| .SPR | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SPRE | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SPRED | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SPRITE | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SPRITE | Sizzler Animation |
| .SPRITE | RiscOS Archimedes Sprite Format |
| .SPRITE | Acorn Bitmap |
| .SPRITES | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SPS | Winamp Signal Processing Studio DSP Effect (Nullsoft) |
| .SPS | Spectrum 512 Smooshed/Compressed File |
| .SPS | SPSS Proprietary Syntax File (SPSS Inc.) |
| .SPS | XSLT Designer Template (Altova) |
| .SPS | SharkPort File (Mad Catz, Inc.) |
| .SPS | Oracle Package Specification |
| .SPS | Image Atari Spectrum 512 |
| .SPS | 2D Graphic |
| .SPS | Sprint Screen Driver |
| .SPS | VAX/VMS Source Code |
| .SPT | Liquid Audio Player Secure Portable Track File (Geneva Media, LLC) |
| .SPT | egseing Spectrum Mode |
| .SPT | MITAC Disk/System Management Utility Pack Support File |
| .SPT | TM FilePacker Archive (TMA Project) |
| .SPT | SPITBOL Program File |
| .SPT | Split File |
| .SPTOOLS | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SPU | Spectrum 512 Bitmap Image |
| .SPU?? | SAS Version 6 Random Access File Permanent Utility File (SAS Institute Inc.) |
| .SPV | American McGee Alice Saved Game File (Electronic Arts, Inc.) |
| .SPV | SPSS Analysis Output (SPSS, Inc.) |
| .SPW | ABC Snap Graphics Workspace Backup |
| .SPW | SigmaPlot Worksheet |
| .SPW | Final Fantasy Sound (Square Enix Co., Ltd) |
| .SPWB | ShadowProtect Write Buffer (StorageCraft Technology Corporation) |
| .SPX | Ogg Speex Profile |
| .SPX | Foxpro Compiler Screen Program (Microsoft Corporation) |
| .SPX | Screen Peace Extension |
| .SPY | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SPY | Web Page |
| .SPY | Wintech Software Design File |
| .SPYX | Sage Compiled Source Code (Sage Development Team) |
| .SPZ | Viewport 2 Series Compiled Program Archive (Creston) |
| .SPZ | Spazz3d VRML File |
| .SQ | Sysquake Application Source Code (Calerga Sarl) |
| .SQ | Squashfs File System Image |
| .SQ | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SQ7 | Daktronics Venus 7000 Electronic Sign Sequence |
| .SQB | SQLBat Script File |
| .SQB | SQL Backup Compact MS SQL Server Backup (Red Gate Software Ltd.) |
| .SQB | SyQuest Backup (SYQT, Inc.) |
| .SQC | Structured Query Language Common Code File |
| .SQD | Sysquake Session Data (Calerga Sarl) |
| .SQD | 3D Graphic |
| .SQD | Misc |
| .SQD | Squish Message Base |
| .SQDB | SpellQuizzer Database (TedCo Software) |
| .SQEXP | SpellQuizzer Export/Import File (TedCo Software) |
| .SQF | FreeMotion Flash Movie (Namo, Inc.) |
| .SQF | France98 Football Game fe File |
| .SQH | Harbinger |
| .SQI | Squish Message Base Index |
| .SQJ | AXIS Camera Explorer Movie File (Axis Communications) |
| .SQL | Squish Message Base Last Read Pointers |
| .SQL | Structured Query Language Data |
| .SQM | Windows Live Messenger Log File (Microsoft Corporation) |
| .SQM | Operation Flashpoint Mission (Bohemia Interactive and The Codemasters Software Company Limited) |
| .sqml | UNIX SQML Scheme or Query Program |
| .SQN?? | SAS Version 6 Sequential Access File Data Mining Database (SAS Institute Inc.) |
| .SQP | Sonique Audio Search Query Result |
| .SQR | Structured Query Language Program File |
| .SQS | Operation Flashpoint Script (Bohemia Interactive and The Codemasters Software Company Limited) |
| .SQS | SQLEditor Schema Document Format (MalcolmHardie Solutions Ltd) |
| .SQT | Technics Sx KN 6000 Keyboard Multiple Sequence File |
| .SQW | Archive |
| .SQX | SQX Archiver Compressed Archive (Rainer Nausedat) |
| .SQZ | Compressed Archive File |
| .SR | Netscape File |
| .SR | Dispatch Swissair/Crossair Timetable File (Scott Andrew Borton) |
| .SR | Sun Raster Graphic |
| .SR1 | SIR (Scientific Information Retrieval) Database |
| .SR2 | SIR (Scientific Information Retrieval) Database |
| .SR2 | Sony Camera RAW File (Sony Corporation of America) |
| .SR2 | Omron CX-Supervisor |
| .SR3 | SIR (Scientific Information Retrieval) Database |
| .SR4 | SIR (Scientific Information Retrieval) Database |
| .SRA | PowerBuilder Application (Sybase) |
| .SRB | Corel ClipArt ScrapBook |
| .SRC | Sourcecode |
| .SRC | DataFlex Source Code (Data Access Corporation) |
| .SRC | Infinity Game Engine Text Storage (BioWare Corp.) |
| .SRC | ProWORX Nxt Search Data (Schneider Electric) |
| .SRC | Win32Forth Sequential Block Data |
| .SRC | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SRC | Firefox Custom Search File (Mozilla) |
| .SRD | PowerBuilder Data Window (Sybase) |
| .SRD | Smart Reminder Database (Smart Reminder) |
| .SRE | 3WayPack (The Three-Mode Company) |
| .SRE | Motorola S-record File |
| .SREC | Motorola S-Records |
| .SREC | ASCII Load File |
| .SRF | Terragen Surface Map (Planetside Software) |
| .SRF | PowerBuilder Function (Sybase) |
| .SRF | Sony DSC-F828 Raw Image File (Sony) |
| .SRF | Siebel Repository File |
| .SRF | Garmin Vechicle Images File (Garmin Ltd.) |
| .SRF | myMP3PRO Skin (Pinnacle Systems, Inc.) |
| .SRF | FileLocator Pro Search Criteria File (Mythicsoft Ltd.) |
| .SRF | SurfSaver (askSam Systems) |
| .SRF | Sun Raster Graphic File |
| .SRFMAP | Terragen Surface Map (Planetside Software) |
| .SRG | Software Self-Registry File (Microsoft Corporation) |
| .SRH | Remedy Action Request System Client Saved Search |
| .SRH | Smart Reminder Holiday List (Smart Reminder) |
| .SRI | Voice It Link Compressed Voice File |
| .SRJ | PowerBuilder Project (Sybase) |
| .SRL | ASwin - ICwin Shared Database (Procedimientos-Uno, S.L.) |
| .SRM | Kega Fusion Game RAM (Steve Snake) |
| .SRM | Super Nintendo ROM Saved File (Nintendo) |
| .SRM | PowerBuilder Menu (Sybase) |
| .SRM | SRM Training System Exercise Data (Schoberer Rad Messtechnik) |
| .SRO | Multi-Site ATIS Data Collection Working Group (MADCOW) Speech Recognition Detailed Transcription File |
| .SRO | GALAXY-II Architecture BATCHMODE Server Transcribed User Utterance Waveform |
| .SRO | 3WayPack (The Three-Mode Company) |
| .SRP | QuickLink Script |
| .SRP | Gregg Keyboarding Configuration |
| .SRP | EmbARK Super Report (Gallery Systems) |
| .SRP | Check Point Exported VPN Client Information (Check Point Software Technologies Ltd.) |
| .SRPM | Redhat Linux RPM Source File |
| .SRQ | Unprocessed Microsoft Server Request |
| .SRQ?? | SAS Version 6 Sequential Access File Item Store File (SAS Institute Inc.) |
| .SRS | Partially Processed Microsoft Server Request |
| .SRS | PowerBuilder Structure (Sybase) |
| .SRS | Search and Replace Script (Funduc Software) |
| .SRS | Outlook 2002 Send/Receive Settings File (Microsoft Corporation) |
| .SRS | Sun Raster Bitmap |
| .SRT | BSPlayer Subtitle (WEBTEH Ltd.) |
| .SRT | Omron CX-Supervisor |
| .SRT | DVD Subtitle File |
| .SRT | SubRipper Subtitle Information (Zuggy) |
| .SRT | SDR99 Speech Recognition Task Speech Recogniser Transcript |
| .SRT | Skymap Data File |
| .SRT | Siemens Mobile Phone C60 Sound File (Siemens AG) |
| .SRU | PowerBuilder User Object (Sybase) |
| .SRV | BNBSURVEY Configuration File |
| .SRV | FBB Initialization File |
| .SRV | Help Maker File |
| .SRV | NewsPro for Newsfeeds.com Servers Info |
| .SRV | North American Locomotive Works |
| .SRVC | Services |
| .SRVC | Super Real-time Video Codec (MegaChips Corporation) |
| .SRW | PowerBuilder Window (Sybase) |
| .SR_ | Compressed Tvideo Card Neu File |
| .SS | dnaLIMS 377 Sample Sheet (dnaTools) |
| .SS | Sam Spade Script (Steve Atkins) |
| .SS | XShipWars Sound Scheme File |
| .SS | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SS | DrScheme Programming Environment File |
| .SS | Oberlin DRAGN Graph Algorithm |
| .SS | Ribbons Protein File |
| .SS | Screen Saver |
| .SS | Snappy Configuration File |
| .SS | Splash Bitmap Graphic |
| .SS2 | Terrasoft SAS Program File |
| .SS3 | Singer Song Writer File |
| .SS4 | SwordSearcher Program Data File (StudyLamp Software) |
| .SS4 | SigScribe4 Design (MODRATEC) |
| .SS5BIBLE | SwordSearcher Bible Database File (StudyLamp Software) |
| .SS5BOOK | SwordSearcher Dictionary or Book Database File (StudyLamp Software) |
| .SS5CMTY | SwordSearcher Commentary Database File (StudyLamp Software) |
| .SSA | Visual SourceSafe Backup Archive (Microsoft Corporation) |
| .SSA | Empire Earth Custom Assets File (Sierra Entertainment, Inc.) |
| .SSA | SubStation Alpha Subtitle |
| .SSA?? | SAS Version 6 Random Access File Access Descriptor File (SAS Institute Inc.) |
| .SSAGE | Exchange Server (Microsoft Corporation) |
| .SSB | SwordSearcher Bible Data Module File (StudyLamp Software) |
| .SSB | Simply Safe Backup Archive (Joshua Cannon Butcher) |
| .SSB | SmartSync Pro Program Settings (SmartSync Software) |
| .SSB?? | SAS Version 6 Random Access File Backup (SAS Institute Inc.) |
| .SSBOARD | ScrabbleScam Board (Stuff-By-Magnum) |
| .SSC | MediaShout Presentation Script (MediaComplete) |
| .SSC | HP Library and Tape Tools Script |
| .SSC | SourceSafe Configuration |
| .SSC | Scrippy File |
| .SSC | SwordSearcher File |
| .SSC | SSChart Page Layout File (Simian Savants LLC) |
| .SSC | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SSD | Base SAS Database (SAS Institute Inc.) |
| .SSD | Style Sheet Definition File |
| .SSD | Snagit Studio Design File |
| .SSD | Painter4 Script File |
| .SSD01 | UNIX SAS Data Set |
| .SSD?? | SAS Version 6 Randon Access File Data (SAS Institute Inc.) |
| .SSF | BioWare Aurora Engine Sound Set (BioWare Corp.) |
| .SSF | GPS Pathfinder Office Almanac and Base Data File (Trinble Navigation Limited) |
| .SSF | Eventcorder Screenshots (CMS) |
| .SSF | Strand 300 Lighting Console Show File (Strand Lighting) |
| .SSF | Enable Spreadsheet File |
| .SSF | Sound Set File |
| .SSG | SCRABBLE Saved Game File (Handmark, Inc.) |
| .SSG | Single-step Motivational Software Goal Template (Self Evident Enterprises, LLC.) |
| .SSG | Investor's Toolkit Stock Selection Guide File (ICLUBcentral Inc.) |
| .SSH | Style Sheet for MS Internet Explorer |
| .SSH | DataFellows Secure Shell Document |
| .SSH2 | SSH Secure Shell Client |
| .SSI | SSI Web Study File (Sawtooth Software, Inc.) |
| .SSI | HTML with Server Side Includes |
| .SSI | Installer/GD Software Setup Information |
| .SSI | SriSun |
| .SSK | SmartSketch File (IMSI/Design LLC) |
| .SSK | SwordSearcher File |
| .SSK | ALSong Media Player Skin (ESTsoft) |
| .SSL | Paradox Version 5 File (Borland Software Corporation) |
| .SSL | Corel Flowchart Symbol Library File |
| .SSL | Sessions List |
| .SSM | RealPlay Standard Streaming Metafile (RealNetworks, Inc.) |
| .SSM?? | SAS Version 6 Random Access File Multi-dimensional Database (SAS Institute Inc.) |
| .SSMIL | Synchronized Multimedia Integration Language |
| .SSML | Speech Synthesis Markup Language (W3C) |
| .SSMN | Simple Server Monitor Configuration File (Tartanleaf.com Inc.) |
| .SSN | Shutdown Scheduler Shared Notes Data (DNsoft.be) |
| .SSO | ChessDB Search Options File (Dr. David Kirkby) |
| .SSP | SmartSync Pro (SmartSync Software) |
| .SSP | Splitter Multipart Split File (Sarasoft) |
| .SSP | SAS Transport Data (SAS Institute Inc.) |
| .SSP | ScreenSwift Screen Saver Project (Tenmiles Corporation) |
| .SSP | Ultra Screen Saver Maker Project File (Finalhit Ltd.) |
| .SSP | Professional Screen Saver Producer Screensaver Project (Axialis) |
| .SSP?? | SAS Version 6 Random Access File Stored Program (DATA step) (SAS Institute Inc.) |
| .SSQ | ODBC Script |
| .SSQ?? | SAS Version 6 Sequential Access File Stored Program (DATA step) (SAS Institute Inc.) |
| .SSS | Sudden Strike Saved Game |
| .SSS | Studio Session Song File Format |
| .SSS | Steel Smart System Project File (Applied Science International, LLC) |
| .SSS | Saved Game of Heart Of Darkness |
| .SST | Sea Surface Temperature File |
| .SST | IDIDAS, SSTMAP, IMGMAP Bitmap |
| .SST | Certificate Store Crypto Shell Extension (Microsoft Corporation) |
| .SST | Yamaha Session Style (Yamaha Corporation of America) |
| .SST?? | SAS Version 6 Random Access File Audit File (SAS Institute Inc.) |
| .SSU | Systems Management Server (SMS) Hierarchy Manager Site Update (Microsoft Corporation) |
| .SSV | Snood Saved Game (WOM Games) |
| .SSV | ShadowFlare Saved Game (Denyusha Co.,Ltd.) |
| .SSV | Chartfile |
| .SSV?? | SAS Version 6 Random Access File Data View (SAS Institute Inc.) |
| .SSVG | Scalable Vector Graphics File |
| .SSW | Sealed Flash File (SealedMedia) |
| .SSWF | Sealed Flash File (SealedMedia) |
| .SSX | Rational XDE (IBM) |
| .SSX | VersaPro Smart Store Document |
| .SSX | ScreenShare Data File |
| .SSY | ScreenShare Compressed Data File |
| .SSY | W32/Sober-AD |
| .SSZ | Spider Player Skin for Music Player (VIT Software) |
| .ST | SMALLTALK Program File |
| .ST | Scream Tracker Instrument Library |
| .ST | ShakeTracker |
| .ST | Progress Database Struction Definition (Progress Software Corporation) |
| .ST | Atari ST Disk Image |
| .ST | NeoPaint Stamp File |
| .ST | Homeworld (Sierra Entertainment, Inc.) |
| .ST | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .ST0 | Spice Status |
| .ST1 | DigiTitle Subtitle File (Converge Horizons) |
| .ST1 | Spice Status |
| .ST1H | Fanuc Parameter File (FANUC Robotics America, Inc.) |
| .ST2 | Spice Status |
| .ST2 | SoundTrakker128 Tune |
| .ST3 | Spice Status |
| .ST3 | Star 3 MIDI Karaoke File |
| .ST3 | SimCity 3000 Starter Town City (Electronic Arts, Inc.) |
| .ST4 | Studio 400 Project File (Pinnacle Systems, Inc.) |
| .ST4 | SBIG CCD Camera ST-4 |
| .ST4 | Spice Status |
| .ST5 | SBIG CCD Camera ST-5 |
| .ST5 | Spice Status |
| .ST6 | SBIG CCD Camera ST-6 |
| .ST6 | Spice Status |
| .ST7 | SBIG CCD Camera ST-7 |
| .ST7 | Spice Status |
| .ST8 | Spice Status |
| .ST8 | SBIG CCD Camera ST-8 |
| .ST9 | SBIG Astronomical Image |
| .ST9 | Spice Status |
| .STA | Game Saved State |
| .STA | Reflection Saved State |
| .STA | Eudora File |
| .STA | Spinmaker Plus Stack |
| .STA | Statistica Spreadsheet |
| .STA | MicroSim PCBoard Statistics Report |
| .STA | Brazilian MSX Emulator - BrMSX Saved State |
| .STACK | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .STAFF | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .STAGE | 2D Fighter Maker 2nd Stage Data (Enterbrain, Inc.) |
| .STAGE1 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .STAGE2 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .STAGE3 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .STAGE4 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .STAGE5 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .STAGE6 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .STAGE7 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .STAP | Soundtrack Pro Project (Apple Inc.) |
| .STAR | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .STARPACK | StarTrekker Pack Format |
| .START | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .STARTED | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .STARTUP | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .STAT | Weather Data Summary Report |
| .STAT | Status File |
| .STATE | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .STATS | Homeworld End-of-Game Statistics (Sierra Entertainment, Inc.) |
| .STATS | XviD Statistics of a First-Pass from a Movie |
| .STATS | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .STATUS | General Status File |
| .STB | Genus Stub Library |
| .STB | Scantech Scanner File |
| .STB | AutoCAD R2000 Plot Style Table (Autodesk, Inc.) |
| .STC | Terrasoft SAS Data File |
| .STC | OpenOffice.org Spreadsheet Template (OpenOffice.org) |
| .STC | Plug-in Acrobat Exchange |
| .STC | StarOffice Spreadsheet Template (Sun) |
| .STC | StateClock File |
| .STD | StarOffice Drawing Template (Sun) |
| .STD | LocoScript Standard Script File (LocoScript Software) |
| .STD | OpenOffice.org Drawing Template (OpenOffice.org) |
| .STD | Prosa State Transition Diagram Graphic |
| .STD | PROMT Document (PROMT, Ltd.) |
| .STD | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .STD | STAAD.Pro Import/Export File for Steel FEA (Research Engineers International) |
| .STD | Plug-in Acrobat Exchange |
| .STD | SureThing CD Labeler Document File (MicroVision Development, Inc.) |
| .STDCRC | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .STDF | SEDana Standard Test Data Format (Salland Engineering) |
| .STDFILE | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .STDPRODOS | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .STE | Dreamweaver Site File (Adobe Systems Incorporated) |
| .STE | DataPerfect File |
| .STE | XMap Flight Plan or Flight Plan Statistic File (Delorme) |
| .STEALTH | Likely a Text File |
| .STEELDRUM | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .STEGANO | Steganographic Image |
| .STEP | AP203 Step File |
| .STEP | ISO-10303 STEP Product Data |
| .STEP | PyDDR |
| .STEREO | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .STF | ISaGRAF POU (Program Organization Unit) File (ICS Triplex ISaGRAF Inc.) |
| .STF | Structured File |
| .STF | ShrinkToFit Compressed Archive File |
| .STF | Spanish Whiz Data File (GB Blanchard) |
| .STF | Setup Information (Microsoft Corporation) |
| .STF | ACME Table Files |
| .STG | SNMP Traffic Grapher Network Graphic |
| .STG | Visual Pinball High Scores |
| .STG | PageKeeper Storage File |
| .STG | ActiveSync (Microsoft Corporation) |
| .STG | Statistica Graphics File |
| .STI | StarOffice Presentation Template (Sun) |
| .STI | Stickies |
| .STI | Programming |
| .STI | OpenOffice.org Presentation Template (OpenOffice.org) |
| .STI | Sealed TIFF File (SealedMedia) |
| .STI | Datastitch Embroidery Design/Editing/Lettering/Stitch Transfer |
| .STIF | Sealed TIFF File (SealedMedia) |
| .STITCH | PhotoVista Panorama Stitched Panorama (Iseemedia Inc.) |
| .STK | Personal Stock Monitor File |
| .STK | CRiSP Harvest File |
| .STK | Pivot Stickfigure Animator Stick Figure File (Peter Bone) |
| .STK | Sticker Store Sticker |
| .STK | Rail3D 2KD/2k3 Stock and Scenery Models |
| .STK | MetaMorph Imaging System Discovery-1 Software Stack (Universal Imaging Corporation) |
| .STK | HyperStudio Stack ( Sunburst Technology Inc.) |
| .STKX | Personal Stock Streamer Portfolio (DTLink Software, LLC) |
| .STL | C++ Standard Template Library |
| .STL | SPEFO Stellar Spectra Analysis File |
| .STL | Micrographics Designer Stylesheet |
| .STL | Win2020 Screen Subtitle (Screen Subtitling Systems) |
| .STL | Fireworks Style Library (Macromedia) |
| .STL | Claris Works Data File |
| .STL | CAD Software Solid Modeling/Prototyping File |
| .STL | EBU-standard Open and Teletext File (SoftNI Corporation) |
| .STL | Certificate Trust List |
| .STM | LloydsTSB Bank Statement (LloydsTSB) |
| .STM | Sealed HTML Document (SealedMedia) |
| .STM | Prosa State Transition Diagram Model (Insoft Oy) |
| .STM | Scream Tracker v2 Module |
| .STM | Exchange Server Streaming Store (Microsoft Corporation) |
| .STM | Secure Login File for Navy's NOWS |
| .STM | SDR99 Speech Recognition Task Time Segment Time Marked File |
| .STM | PhotoStudio Stamp (ArcSoft, Inc.) |
| .STM | SHTML File |
| .STM | Sound File |
| .STM | Medlin Accounting Statement Layout (Medlin Accounting) |
| .STML | Sealed HTML File (SealedMedia) |
| .STML | SHTML File |
| .STN | Genuine Fractals Photoshop Plug-in (LizardTech, Inc.) |
| .STN | ArcView Geocoding Standardization File (ESRI) |
| .STN | Flight Simulator File (Microsoft Corporation) |
| .STN | Sting File |
| .STO | Genus Pascal Stub OBJ File |
| .STO | Infinity Game Engine Store File (BioWare Corp.) |
| .STONE | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .STORAGE | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .STORY | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .STP | 3D Graphic |
| .STP | SharePoint Services Template (Microsoft Corporation) |
| .STP | EC997 Dyno Test Step Test ( Factory Pro Tuning) |
| .STP | SYSTRAN Translation Project Manager Project File (SYSTRAN) |
| .STP | NASCAR Racing 2002 Track Picture (Sierra) |
| .STP | DART Pro 98 System Settings |
| .STP | FScruiser Setup File (USDA Forest Service) |
| .STP | Photoshop Plug-in (Adobe Systems Incorporated) |
| .STP | PageKeeper Packed Storage File |
| .STQ | Statistica Text File (StatSoft) |
| .STQ?? | SAS Version 6 Sequential Access File Audit File (SAS Institute Inc.) |
| .STR | Statistica Report File |
| .STR | Sceensaver |
| .STR | ATOMS Structure File (Shape Software) |
| .STR | Gate3 Table Structure File |
| .STR | dBASE Structure List |
| .STR | DataPerfect Structure File |
| .STR | Playstation Video (Sony Corporation of America) |
| .STR | Surpac Vision Data Repository (Surpac Minex Group) |
| .STR | Music File |
| .STR | Fifa 2002 Music File |
| .STR | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .STRANGE | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .STRANGELOVE | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .STRAT | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .STRING | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .STRINGS | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .STRIPES | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .STRIPES2 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .STRIPES3 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .STRUCT | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .STS | C Project Status Info (Microsoft Corporation) |
| .STS | Nimbus 7 SAMS Data File |
| .STS | MicroSim PCBoard Status of Autorouting Run |
| .STS | Scream Tracker Song |
| .STSP | ScanTango scanner Plug-in (mindwrap, inc.) |
| .STT | Streets & Trips Template (Microsoft Corporation) |
| .STT | Tacmi Pixia Palette File |
| .STT | SureThing CD Labeler User Template File |
| .STU | Studio Video Project (Pinnacle Systems, Inc.) |
| .STU | Tarantella Enterprise 3 3270 Emulator Style File |
| .STU | xyALGEBRA File |
| .STUDENT | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .STUDIO | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .STUFF | EVE Online Game Contents Archive (CCP hf.) |
| .STUFF | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .STUPID | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .STV | sofTV.Author File |
| .STW | Staroffice Writer Template (Sun) |
| .STW | SmartTerm Data File |
| .STW | Statistica Workbook File |
| .STW | Neopaint Stamp |
| .STW | OpenOffice.org Text Document Template (OpenOffice.org) |
| .STX | System/User Topic Set Descriptor BullsEye |
| .STX | SPOT Image Statistics |
| .STX | Simply Tax Form |
| .STX | Terrasoft SAS System Xport Transport File |
| .STX | SBIG CCD Camera ST-X |
| .STX | Pinnacle Studio Project File (Pinnacle Systems, Inc.) |
| .STX | SmarText E-book |
| .STX | Datastitch Embroidery Design/Editing/Lettering/Stitch Transfer (Data - Stitch, Inc.) |
| .STX | Eschalon Setup Install Script (Eschelon Development (24-2979 Panorama Dr., Coquitlam BC V3E 2W8, Canada)) |
| .STX | XG Works Midi Style Definition (Yamaha Corporation of America) |
| .STX | EditPlus Syntax File (ES-Computing) |
| .STX | StockChartX Data (Modulus Financial Engineering, Inc.) |
| .STX | SureTrak Project Manager Project (Primavera Systems, Inc.) |
| .STX | Schneider Automation S.A. PL7 Program File for Modicon PLC's (Telemecanique, a brand of Schneider Electric Industries SAS) |
| .STX | Scream Tracker Music Interface Kit Song/Module |
| .STY | Band-in-a-Box Backing Style File (PG Music, Inc.) |
| .STY | LaTeX Style File |
| .STY | Genesis 2000 (Genesis 2000, Inc.) |
| .STY | DirectMusic Style (Microsoft Corporation) |
| .STY | Micrografx Picture Publisher Print Style |
| .STY | Word for DOS Style Sheet (Microsoft Corporation) |
| .STY | Ventura Publisher Style Sheet (Corel Corporation) |
| .STY | Style Sheet |
| .STY | Yamaha General Style (Yamaha Corporation of America) |
| .STYLE | Genetica Visual Style (Spiral Graphics Inc.) |
| .STYLE | HTML Style File |
| .STYLE | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .STYXML | Inventor Style Library (Autodesk, Inc.) |
| .STZ | Screamtracker 2/Module File |
| .SU | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SUA | SeeYou Airspace (Naviter) |
| .SUB | SubmitWolf File |
| .SUB | Rational Rose Component Package (IBM) |
| .SUB | Insight II Subset Definition File (Accelrys Software Inc.) |
| .SUB | DivX Subtitles (DivXNetworks, Inc.) |
| .SUB | CloneCD Sub Channel Data (SlySoft Inc.) |
| .SUB | SubTerra Level File (Crystal Shard) |
| .SUB | CaSat Suite Subtitling file (SoftNI Corporation) |
| .SUBS | Homeworld Subsystem Data (Sierra Entertainment, Inc.) |
| .SUBTITLE | TMPGEnc DVD Author 3 with DivX Authoring Subtitle File (Hiroyuki Hori / Pegasys Inc.) |
| .SUC | Softrans Gmbh Hello Engines! 2.1 File |
| .SUCKS | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SUD | Super Project Analyzer Data |
| .SUD | Symantec Undo Data File (Symantec Corporation) |
| .SUD | WISCO Word Power Sudoku Number Puzzle File (WISCO Computing) |
| .SUF | Sewer-data File ([Several Dutch Companies]) |
| .SUI | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SUI | Simple User Interface Toolkit Library |
| .SUI | Macintosh Font File |
| .SUI | StarSplatter User Interface (Sean Maxwell) |
| .SUIT | Apple Font File (Apple Inc.) |
| .SUITE | Winstyles Suite (Stardock Corporation, Inc.) |
| .SUL | GFA Ray-Trace |
| .SUM | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SUM | SciLab CAPE-OPEN Unit Operation Unit-operation Model (AmsterCHEM) |
| .SUM | Summary |
| .SUMM | Clapack Blas Testing File |
| .SUMMARY | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SUMP | Easy Palette Gallery or Library |
| .SUMSHEET | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SUN | SUNTronic Song/Module |
| .SUN | Sun Raster Graphic File (Sun) |
| .SUN | Firefox Bookmark Backup File |
| .SUN3 | Sun OS 4 File (Modified?) |
| .SUN4 | Sun OS 4 File |
| .SUN5 | Sun OS 5 File |
| .SUNIFF | Sun TAAC File |
| .SUO | Visual Studio Solution User Options (Microsoft Corporation) |
| .SUP | Pro/ENGINEER Master Configuration File (PTC) |
| .SUP | BoundsChecker Error Suppression |
| .SUP | Startup Screen Bitmap |
| .SUP | Super Project Analyzer Project |
| .SUP | Supplemental Data |
| .SUP | WordPerfect Supplemental Dictionary (Corel Corporation) |
| .SUP | Hallo Northern Sky (HNSKY) Database Supplement (Han Kleijn) |
| .SUP | IFOEdit or VOBEdit Subpicture MPEG Elementary Stream (Decision Developments) |
| .SUP | Complete Works (Toplevel Computing) |
| .SUP | HotMux Thermocouple Data Log File (DCC Corporation) |
| .SUPER | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SUPERCAT | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SUPERPRINT | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SUPPLEMENT | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SUPPORT | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SUQ?? | SAS Version 6 Sequential Access File Utility File (SAS Institute Inc.) |
| .SUR | Leben_jesu Bibel File |
| .SUR | Topocad (Chaos Systems AB) |
| .SUR | Freelancer Three Dimensional Collision Zone Data (Microsoft Corporation) |
| .SUR | Surveyor Document |
| .SUR | Survey Plus 2000 Survey File (AutoData Systems) |
| .SURF | 3D Scanner File |
| .SURFPLACE | Money User Profile File (Microsoft Corporation) |
| .SUS | Synergy Accounts Update Script (Synergy Accounts) |
| .SUSANNAH | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SUST | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SUT?? | SAS Version 6 Random Access File Utility File (SAS Institute Inc.) |
| .SV | Roland Garros Tennis |
| .SV$ | AutoCAD Autosave File (Autodesk, Inc.) |
| .SV1 | Transport Tycoon Saved Game |
| .SV1 | RollerCoaster Tycoon Saved Game (Atari) |
| .SV2 | RollerCoaster Tycoon Saved Game (Atari) |
| .SV2I | Symantec LiveState Recovery Image (Symantec Corporation) |
| .SV2I | VMware Virtual Image (VMware, Inc.) |
| .SV3 | RollerCoaster Tycoon Saved Game (Atari) |
| .SV4 | RollerCoaster Tycoon Saved Game (Atari) |
| .SV5 | RollerCoaster Tycoon Saved Game (Atari) |
| .SV6 | RollerCoaster Tycoon Saved Game (Atari) |
| .SV7 | RollerCoaster Tycoon Saved Game (Atari) |
| .SV8 | RollerCoaster Tycoon Saved Game (Atari) |
| .SV9 | RollerCoaster Tycoon Saved Game (Atari) |
| .SVB | Statistica Macro File |
| .SVC | Simple Visual Compiler |
| .SVC | Statistica Macro File |
| .SVD | Video CD File |
| .SVD | Word Backup File (Microsoft Corporation) |
| .SVE | VocalJam Karaoke Song File |
| .SVF | WinSFV |
| .SVF | Simple Vector Format |
| .SVF | Systems Management Server (SMS) Client/Server Component Status File (Microsoft Corporation) |
| .SVF | Xilinx Integrated Software Environment Serial Vector Format (SVF) File (Xilinx, Inc.) |
| .SVG | Word Glossary Backup File (Microsoft Corporation) |
| .SVG | Scalable Vector Graphics File |
| .SVG | Model Browser Image (Metis) |
| .SVG | Lode Runner Saved Game |
| .SVG | Active Backup Expert Project File (OrionSoftLab) |
| .SVG | SuperView Graphic Bitmap |
| .SVGZ | Scalable Vector Graphics File |
| .SVGZ | Compressed Scalable Vector Graphics File |
| .SVH | Surround Video Animated Internet Picture (Black Diamond Consulting) |
| .SVI | Mimio Ink Files |
| .SVI | Red Faction Game File |
| .SVK | Personal Paint Slovak Language User Interface File (Amiga) |
| .SVL | Scramdisk VoLume |
| .SVM | MRC-PRO Format Music File |
| .SVM | Formula 1 Car Race 2001 Save File |
| .SVN | Subversion File/Directory (openCollabNet) |
| .SVN | Personal Paint Slovenian Language User Interface File (Amiga) |
| .SVO | Transport Tycoon Custom World |
| .SVO | Statistica Macro File |
| .SVP | WISCO Survey Power Question File (WISCO Computing) |
| .SVP | Sonique Visual Plug-in (Lycos, Inc.) |
| .SVP | SwiftView ICS Command File (SwiftView, Inc.) |
| .SVQ | Roland Keyboard Midi Sequence |
| .SVQ | MRC-PRO Format Music File |
| .SVQ | InfoBind File Format |
| .SVQ?? | SAS Version 6 Sequential Access File Data View (SAS Institute Inc.) |
| .SVR | SuperScape ActiveX Superscape Viscape Control |
| .SVR | Compressed Virtual World for WWW |
| .SVR4B | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SVR4L | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SVS | Word Stylesheet Backup File (Microsoft Corporation) |
| .SVS | DART Pro 98 Spectral View Settings |
| .SVT | Stonevoice Translator Tree of Localizable Files (Stonevoice) |
| .SVU | Adressmn DEFAULT.DBU File |
| .SVUE | ShowVue Data (ShowSys) |
| .SVX | Statistica Macro File |
| .SVX | 8SVX/16SV Interchange File Format |
| .SVX | Amiga 8SVX Sound (Amiga) |
| .SVY | SmartQuest Survey Configuration File (TeleSage Inc.) |
| .SW | Softwrap License File (Softwrap) |
| .SW | Free Pascal Assembler File for OS/2 Version (FPC Development Team) |
| .SW | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SW | SmartWare Spreadsheet |
| .SW | Raw Signed Word (16-bit) Data |
| .SW | EARS Component File |
| .SW | Audio |
| .SW | Free Pascal Assembler File for Windows Version (FPC Development Team) |
| .SW | SWISS-PROT Protein Sequence Database (ExPASy (Expert Protein Analysis System)) |
| .SW0 | Easy FlashMaker Project (KUDRSOFT) |
| .SW3 | Scriptware (Cinovation) |
| .SWA | SATLOC FreeTrac |
| .SWA | Shockwave Audio File |
| .SWAP | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SWAPPER | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SWB | PageMaker Version 7 ColorSync Component (Adobe Systems Incorporated) |
| .SWB | Sametime Whiteboard File (IBM) |
| .SWB | Super Win-EBook 98 File |
| .SWB | Photoshop (Adobe Systems Incorporated) |
| .SWB | Epson Personal Settings Information (Epson Corporation) |
| .SWC | Spanish Whiz Conversation Sound File (GB Blanchard) |
| .SWC | Flash Component Distribution File (Adobe Systems Incorporated) |
| .SWC | Super Nintendo Super Wildcard ROM Image (Nintendo) |
| .SWD | Settlers II Map (Ubisoft Entertainment) |
| .SWD | Flash Temporary Debugging File (Adobe Systems Incorporated) |
| .SWD | Flash MX File with Debugging Infomation (Macromedia) |
| .SWD | Sabiston Textbook |
| .SWD | Storybook File |
| .SWD | Spanish Whiz Dictation Sound File (GB Blanchard) |
| .SWE | SendaWin Etiquetas Labels (Informatica Industrial IN2, S.A.) |
| .SWE | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SWE | Sweater Wizard Knitting Pattern (Knitting Software Inc.) |
| .SWE | Personal Paint Swedish Language User Interface File (Amiga) |
| .SWE | NHL Ice Hockey 2002 Required File |
| .SWEB | spiderWEB Ver 7+ Information File (Borne Programming) |
| .SWF | Sidewinder (Force Feedback Joysticks) Profile Activator (Microsoft Corporation) |
| .SWF | Flash Format File (Adobe Systems Incorporated) |
| .SWFS | Dreamweaver File |
| .SWG | Swag Reader Packet |
| .SWI | Swish Data File |
| .SWING | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SWITCH | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SWITCH | Switch Secure Package Encrypted File (Egress Software Technologies) |
| .SWJ | Journal File (Solidworks) |
| .SWK | Microtype Pro Data File (The Thomson Corporation) |
| .SWK | Swapkeys Keyboard File |
| .SWL | Macromedia Flash Format |
| .SWM | Supportworks ESP Message (Hornbill Systems Ltd.) |
| .SWP | SolidWorks Macro (SolidWorks Corporation) |
| .SWP | Omron Syswin API Description |
| .SWP | Sprint Document Backup (Borland Software Corporation) |
| .SWP | Spider Writer Project File |
| .SWP | Sprint Backup File |
| .SWP | Swap File |
| .SWP | MegaHAL Keyword Swap File (Ai Research) |
| .SWP | EC997 Dyno Test Sweep Test (Factory Pro Tuning) |
| .SWR | SageWorld Anti-Hacker Program Output (SageWorld) |
| .SWS | SWiSH Studio Document (SWiSHzone.com Pty Ltd) |
| .SWS | Spanish Whiz Sound File (GB Blanchard) |
| .SWS | VHDL Simili Sonata Project File |
| .SWS | Screen Writer Studio File |
| .SWS | Swift Generator Instruction File |
| .SWS | S-PLUS Workspace |
| .SWS | SmartWidgets File |
| .SWS | Science Workshop File |
| .SWS0 | Screen Writer Studio File Backup |
| .SWT | Swift Generator Template File |
| .SWT | VB Setup Wizard Template File |
| .SWT | Space Watch Pro Data File |
| .SWT | Macromedia Authoring Flash File |
| .SWT | Flash Templatized SWF File (Adobe Systems Incorporated) |
| .SWTH | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SWV | Yamaha Sweet Voices (Yamaha Corporation of America) |
| .SWW | QSE FMEA/APQP Application Database |
| .SWX | QSE-PPAP Package Application New Launch Quality Forms (Quality Systems Engineering Inc.) |
| .SX | SAS Stat Studio Program Source Code (SAS Institute Inc.) |
| .SX2 | HPXView SONET/SDH Crossconnect Configuration File (Haliplex Communication Systems) |
| .SXB | SalesLogix VB Form/Script Transfer (Best Software) |
| .SXC | OpenOffice.org Spreadsheet (OpenOffice.org) |
| .SXC | HPXView SONET/SDH Crossconnect Configuration File (Haliplex Communication Systems) |
| .SXC | StarOffice Spreadsheet (Sun Microsystems, Inc.) |
| .SXD | OpenOffice.org Draw File (OpenOffice.org) |
| .SXD | StarOffice Draw File (Sun) |
| .SXF | Secure eXchange Format File |
| .SXG | OpenOffice.org Master Document (OpenOffice.org) |
| .SXG | StarOffice Master Document (Sun) |
| .SXI | OpenOffice.org Presentation File (OpenOffice.org) |
| .SXI | StarOffice Presentation File (Sun Microsystems, Inc.) |
| .SXL | Sealed Excel Worksheet (SealedMedia) |
| .SXLS | Sealed Excel File (SealedMedia) |
| .SXLT | Sealed Excel Template (SealedMedia) |
| .SXM | StarOffice Math File (Sun) |
| .SXM | OpenOffice.org Math File (OpenOffice.org) |
| .SXM | Sealed XML Document (SealedMedia) |
| .SXML | Sealed XML Document (SealedMedia) |
| .SXO | SX Paint Saved Graphical Working Environment (Modular Dreams Inc.) |
| .SXP | 3D Studio Process File (Autodesk, Inc.) |
| .SXP | OpenOffice.org Presentation File (OpenOffice.org) |
| .SXS | SAS Stat Studio Module Source Code (SAS Institute Inc.) |
| .SXSCH | SIMetrix Circuit Schematic (Catena Holding bv) |
| .SXT | Reason NN-XT Sampler Instrument Patch (Propellerhead Software) |
| .SXT | Formula Graphics Script File |
| .SXW | Staroffice Writer Document (Sun Microsystems, Inc.) |
| .SXW | OpenOffice.org Text Document (OpenOffice.org) |
| .SXX | SAS Stat Studio Module Executable (SAS Institute Inc.) |
| .SY# | Darn! Backup Files |
| .SY1 | Ami Pro Smartpix Symbol Library (IBM) |
| .SY1 | Synth1 Patch File (Daichi Laboratory) |
| .SY3 | Harvard Graphics Symbol File (Harvard Graphics) |
| .SYB | Syberia II Distribution Archive (MC2-Microïds) |
| .SYC | Sniffer Capture File (Network Associates Technology, Inc.) |
| .SYD | Sysedit/QEMM Backup File |
| .SYD | Acrobat Search and Replace Add-in (Adobe Systems Incorporated) |
| .SYK | Excel SYLK Spreadsheet Format (Microsoft Corporation) |
| .SYL | SYLK Spreadsheet Format |
| .SYLK | Excel SYLK Spreadsheet Format (Microsoft Corporation) |
| .SYM | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SYM | Symbol Table |
| .SYM | P-CAD Component Symbols (Altium Limited) |
| .SYM | Microsoft Windows SDK Graphic Symbol |
| .sym | UNIX Modula-2 Compiled Definition Module |
| .SYM | Harvard Graphics Ver 2.x Graphic Symbol (Harvard Graphics) |
| .SYM | C++ Precompiled Headers (Borland Software Corporation) |
| .SYM | Lotus Freelance Symbol Library |
| .SYM | PCLTool PageTech Symbol Set File Format (Page Technology Marketing, Inc. (PageTech)) |
| .SYM | MicroImages Text Symbol (MicroImages, Inc.) |
| .SYM | Pro/ENGINEER (PTC) |
| .SYMBOLS | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SYN | Opera Binary Voice-related File (Opera Software ASA) |
| .SYN | SDSC Image Tool File |
| .SYN | Word Synonym File (Microsoft Corporation) |
| .SYN | TextPad Syntax Definition |
| .SYN | Synthetic Universe |
| .SYN | Synonym File |
| .SYN | Excessive Speed Archive |
| .SYN | Connectivity Memory Model Specific Connectivity Initialization Input File |
| .SYN | Breakneck / N.I.C.E.2 Archive |
| .SYNC | SyncTables Synchronization Session Information (Donauweb IT Solutions) |
| .SYNC | Synconizer Database (Synco Ltd.) |
| .SYNCOPATIONS | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SYNGUITAR | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SYNK5LICENSE | Synk Version 5.2.x License File (Decimus Software, Inc.) |
| .SYNKLICENSE | Synk Standard License File (Decimus Software, Inc.) |
| .SYNTAX | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SYNTH | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SYNU | Synthetic Universe |
| .SYNU | SDSC SYNU Bitmap |
| .SYS | System Configuration |
| .SYS | PDP-10 Syatem File |
| .SYS | System Device Driver |
| .SYS | PlayStation 2 Icon (Sony Corporation of America) |
| .SYS | SYGRAPH/SYSTAT/SPSS/PC Data File |
| .SYS | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SYS16 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SYSBEEP2 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SYSCMND | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SYSERRS | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SYSFOLDER | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SYSLOG | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SYSOP | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SYST2 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SYSTEM | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SYSTEMS | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SYSV | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .SYW | Harvard Graphics Symbol Graphic (Harvard Graphics) |
| .SYW | Yamaha SY-series Wave Files (Yamaha Corporation of America) |
| .SYX | SysEx MIDI File |
| .SYX | Modula M2sds File |
| .SY_ | Compressed SYS File |
| .SY_ | Korg Dw8000 Compressed File |
| .SY~ | Coreldraw File |
| .SZ | WinAmp Skin |
| .SZ0 | Binary File Format |
| .SZD | Spell Wiz Dictionary/Thesaurus Word List (Jayden Carr) |
| .SZF | SilverDAT II Data Exchange Format (DAT Deutsche Automobil Treuhand GmbH) |
| .SZN | HiCAD 3D CAD File (ISD Benelux B.V.) |
| .SZP | SecureZIP PartnerLink Policy File (PKWARE, Inc.) |
| .SZP | Warlords II Scenario (Strategic Studies Group, Pty Ltd.) |
| .SZR | SpeedZapper Database (SpeedZapper) |
| .SZT | Super ZZT Game Creation System Game File (Epic MegaGames) |
| .SZX | ZX Spectrum Emulator ZX-State Snapshot |
| .S_S | Eru/erd File |