| File extension Name |
extension description |
| .D | D Programming Language Source Code File |
| .D | Dialect Source Code File |
| .D | SPPACK File |
| .D | GBG DraftMaker Drawing File (think3, Inc.) |
| .D | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .D$W | MindStor Driver |
| .D00 | Ganbatte! Winamp Plug-in |
| .D00 | Blaster Master Pro File |
| .D00 | AdLib Format File |
| .D00 | Edlib Tracker Mod Compressed |
| .D01 | Ganbatte! Winamp Plug-in |
| .D01 | MicroSim PCBoard NC Drill Data File (Cadence) |
| .D01 | Tonline DB File |
| .D02 | Tonline DB File |
| .D02 | MicroSim PCBoard NC Drill Data File (Cadence) |
| .D03 | MicroSim PCBoard NC Drill Data File (Cadence) |
| .D03 | Tonline DB File |
| .D04 | MicroSim PCBoard NC Drill Data File (Cadence) |
| .D05 | MicroSim PCBoard NC Drill Data File (Cadence) |
| .D06 | MicroSim PCBoard NC Drill Data File (Cadence) |
| .D07 | MicroSim PCBoard NC Drill Data File (Cadence) |
| .D08 | MicroSim PCBoard NC Drill Data File (Cadence) |
| .D09 | MicroSim PCBoard NC Drill Data File (Cadence) |
| .D1 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .D1 | Progress Database File (Progress Software Corporation) |
| .D10 | IRIG 106 Recording Directory File (Range Commanders Council) |
| .D10 | MicroSim PCBoard NC Drill Data File (Cadence) |
| .D11 | Macro Mania Data File |
| .D15 | Beat Master 62 File |
| .D2 | Progress Database File (Progress Software Corporation) |
| .D2 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .D2 | Diablo II Character Data File (Blizzard Entertainment) |
| .D2D | 3D Fassade Plus 2D/3D Object |
| .D2H | Diablo II Hack It Module File |
| .D2I | Diablo II Item File |
| .D2J | d2jsp Script File (Paul Taulborg and The d2jsp Team) |
| .D2R | Dazzle Dazzle Realization |
| .D2S | Diablo II Character and Equipment File (Blizzard Entertainment) |
| .D2V | DGIndex Project File (Donald A. Graft) |
| .D2WMODEL | WebObjects Web Script (Apple Inc.) |
| .D2X | Diablo II Stash File |
| .D30 | Driver |
| .D32 | Visualisation (IBM) |
| .D3D | Direct3D File |
| .D3D | CorelDream 3D Drawing File (Corel Corporation) |
| .D3F | MechCommander 2 Encyclopedia (Microsoft Corporation) |
| .D3P | DigitalPrintLab 3 Save File (UNITED SERVICES SHOP GmbH & Co. KG) |
| .D3T | Doom Texture (Id Software, Inc.) |
| .D4 | Dataphor (Database Consulting Group LLC) |
| .D4C | Dataphor (Database Consulting Group LLC) |
| .D5P | Dragon UnPACKer 5 Language Pack (Dragon Software) |
| .D64 | Commodore 64 Disk Image/Game ROM |
| .D67 | C64 Emulator Disk Image |
| .D70 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .D71 | C64 Emulator Disk Image |
| .D80 | C64 Emulator Disk Image |
| .D81 | C64 Emulator Disk Image |
| .D82 | C64 Emulator Disk Image |
| .D8A | AmBiz Productivity Pak Catalog |
| .DA | Playstation CD-DA Format (Sony Corporation of America) |
| .DA | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DA | DynApp Dynamic Application Template File ( e-Synaptix (DynApp Inc.)) |
| .DA! | Dinfo Data File |
| .DA$ | MS Compressed DAT Use UNPACK.EXE. |
| .DA0 | Star Trek Generations Saved Games |
| .DA0 | Windows 95/98 Registry Backup (Microsoft Corporation) |
| .DA1 | Registry Backup |
| .DA1 | Star Trek Generations Saved Games |
| .DA2 | Star Trek Generations Saved Games |
| .DA2 | DeepAnalysis 2 eBay Auction Data (HammerTap) |
| .DA2 | Windows Dancer (Microsoft Corporation) |
| .DA3 | Star Trek Generations Saved Games |
| .DA4 | SeeYou Waypoint (Naviter) |
| .DA4 | Star Trek Generations Saved Games |
| .DA5 | Star Trek Generations Saved Games |
| .DA5 | Green Line File |
| .DA6 | Star Trek Generations Saved Games |
| .DA7 | Star Trek Generations Saved Games |
| .DA8 | Star Trek Generations Saved Games |
| .DA9 | Star Trek Generations Saved Games |
| .DAA | PowerISO Direct-Access-Archive (PowerISO Computing, Inc.) |
| .DAC | Pclhandler Image File |
| .DAC | Sound File |
| .DAD | Chromeleon Channel Raw Data |
| .DAE | COLLADA (COLLAborative Design Activity) 3D Digital Asset (The Khronos Group) |
| .DAEMONSCRIPT | DaemonTools Script (The Daemons Home) |
| .DAF | dKart Office Cartographic Data Exchange Format (HydroService AS) |
| .DAF | Pelesoft DAF |
| .DAF | OM2 911 Xchange Version 3 & 6 Document |
| .DAF | Mobius Document Archive |
| .DAF | Digital Anchor Data File (Telecompute Integrated Systems, Inc.) |
| .DAF | Download Accelerator (SpeedBit Ltd.) |
| .DAG | Aralia Format Fault Tree |
| .DAG | Dagra Document (Blue Leaf Software) |
| .DAG | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DAI | DAIProcessor |
| .DAI | Dream Aquarium Patch FIle (Spiral Monkey Software) |
| .DAILY | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DAL | DVD-lab Project File (MediaChance) |
| .DAL | SpeedBit Download Accelerator Plus DAP List |
| .DAMS | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DAN | Winphone Address Book |
| .DAN | ATI Radeon Video Driver |
| .DAN | Personal Paint Danish Language User Interface File (Amiga) |
| .DAN | Analysis System Patient File (DanMedical Ltd.) |
| .DANCE | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DAO | Windows Registry Backup |
| .DAO | Duplicator CD File |
| .DAP | Omnis5 Application File (Raining Data Corporation) |
| .DAP | Access Data Access Page (Microsoft Corporation) |
| .DAP | Download Accelerator Temporary File During Download (SpeedBit Ltd.) |
| .DAPF | DinkeyAdd Dongle Program (Microcosm Ltd.) |
| .DAPROJ | DivX Author Project File (DivX, Inc.) |
| .DAR | Disk Archiver Compressed Archive |
| .DARBY | TheWord & Bible Companion Darby's Bible Translation Bible |
| .DARK | OpenDark Compressed File (Malyshev Dmitry Alexandrovich) |
| .DARTS | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DAS | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DAS | PackRat Index |
| .DAS | Download Accelerator File List (SpeedBit Ltd.) |
| .DAT | Video CD MPEG or MPEG1 Movie |
| .DAT | VCD and/or SVCD File |
| .DAT | VMS Data File |
| .DAT | Z80 Spectrum Emulator Snap/File Format |
| .DAT | Walkman NW-S23 MP3 File Storage Container (Sony) |
| .DAT | Allegro Generic Packfile Data |
| .DAT | Guild Wars Data (ArenaNet, Inc.) |
| .DAT | WordPerfect Merge Data (Corel Corporation) |
| .DAT | Shareaza Thumbnail (Shareaza Development Team) |
| .DAT | Chuzzle Saved Game |
| .DAT | Peachtext List Manager (Peachtree Software (Sage Software SB, Inc.)) |
| .DAT | Windows 9x Registry Hive (Microsoft Corporation) |
| .DAT | SeeYou Waypoint (Naviter) |
| .DAT | Propilkki Game Data (Procyon Products) |
| .DAT | Windows Registry Hive (Microsoft Corporation) |
| .DAT | Runtime Software Disk Image (Runtime Software) |
| .DAT | Unfinished FastTrack Download |
| .DAT | Terrasoft Dataset Definition File |
| .DAT | EasyRecovery Saved Recovery State (Kroll Ontrack Inc.) |
| .DAT | DBISAM Database Table (Elevate Software, Inc.) |
| .DAT | PSpice Numerical Data File (Cadence Design Systems, Inc.) |
| .DAT | PHASES Free Form Input File |
| .DAT | Daqarta Extended Audio Data (Interstellar Research) |
| .DAT | AVG 6 Integrity Database (AVG Technologies) |
| .DAT | LabVIEW Binary Datalog (National Instruments Corporation) |
| .DAT | PestPatrol Data/Scan Strings (PestPatrol, Inc.) |
| .DAT | Inno Setup Uninstall Log (Jordan Russell) |
| .DAT | TomTom Traffic Data (TomTom International BV) |
| .DAT | Norton Disk Doctor Undo File (Symantec Corporation) |
| .DAT | UFOCaptureV2 Map (SonotaCo) |
| .DAT | Oric Atmos Snapshot |
| .DAT | LithTech Game Compiled Level File (Touchdown Entertainment, Inc.) |
| .DAT | My Personal Programmer Distributed Project (M:Pact Technologies) |
| .DAT | Clarion DOS Database (SoftVelocity) |
| .DAT | BLUEWAVE File |
| .DAT | Data |
| .DAT | SPOT Graphic |
| .DAT | SHARP MZ-series Emulator RAM-Disk File |
| .DAT | RDXR020305.DAT is Morpheus Adware |
| .DAT | Novell Message File |
| .DAT | Nero CD Speed Results File (Nero AG) |
| .DAT | Nascar Racing Archive |
| .DAT | MS Word for DOS File |
| .DAT | Mitsubishi DJ-1000 and Photorun Native Format |
| .DAT | MapInfo Native Data Format (Mapinfo Corporation) |
| .DAT | Exchange Server Error Message (WINMAIL.DAT) (Microsoft Corporation) |
| .DAT | Commodore 64 Audio |
| .DAT | Gunlok Archive |
| .DAT | Internet Explorer Cache File (Microsoft Corporation) |
| .DAT | Digital Audio Tape |
| .DATA | Font2D Resources File |
| .DATA | SID Tune |
| .DATA | CoreFSIF Database (Avanticore, Inc.) |
| .DATA | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DATA1 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DATA2 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DATA3 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DATA4 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DATA5 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DATACAT | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DATAGRABBER | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DATALINK | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DATALINK2 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DATALINKHELP | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DATAS1 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DATAS2 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DATE | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DATEBOOK | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DAVE | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DAVES | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DAWN | Experimental File Format |
| .DAX | DAX Compressed CD Image |
| .DAX | Daxaif Compressed Audio |
| .DAX | OrangeCD Theme (Firetongue Software) |
| .DAY | Journal |
| .DAYS | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DAZ | DIABASS Encrypted Patient Data (Mediaspects) |
| .DAZ | Poser 3D File |
| .DB | ANSYS Database |
| .DB | MultiEdit Configuration |
| .DB | SQL Anywhere Database (iAnywhere Solutions, Inc.) |
| .DB | MSWorks |
| .DB | dBASE IV or dBFast Configuration |
| .DB | data by Synopsys Design Compiler, dbVista, Paradox, Smartware, XTreeGold |
| .DB | DIGIBooster Module/Song |
| .DB | Paradox Ver 7 Table Database (Borland Software Corporation) |
| .DB | ArcView Object Database File (ESRI) |
| .DB | Palm Zire Photo Database |
| .DB | Novell GroupWise Addressbook Database |
| .DB | Solid Database |
| .DB | Windows Icon Database (Microsoft Corporation) |
| .DB | Mozilla (Netscape) Client Certificate or Security Module Database (Mozilla.org) |
| .DB | Windows Thumbnail Database (Microsoft Corporation) |
| .DB | SmartWare Office Pac File |
| .DB | Progress Database File (Progress Software Corporation) |
| .DB | Oracle Database |
| .DB$ | Clarion for Modula-2 Debug Info (SoftVelocity) |
| .DB$ | dBASE Temporary File |
| .DB0 | dBASE Initialization File |
| .DB1 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DB1 | ImageDatabase Index to Image Database (A.I.Soft) |
| .DB1 | Adressmn |
| .DB2 | ImageDatabase Image Database (A.I.Soft) |
| .DB2 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DB2 | dBfast File |
| .DB2 | dBASE II |
| .DB3 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DB3 | dBASE III File |
| .DB3 | Dr Brain 3 |
| .DB4 | dBASE 4 Data |
| .DB4 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DB5 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DB6 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DBA | DataEase Data File |
| .DBA | Turbo Prolog Database (Borland Software Corporation) |
| .DBA | Palm DateBook File (Palm) |
| .DBA | DarkBASIC |
| .DBA | Gridgen Geometry (Pointwise, Inc.) |
| .DBAS | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DBB | DeBabelizer BatchList |
| .DBB | Mopheus Music File |
| .DBB | Skype User Data (Profile and Contacts) (Skype Limited) |
| .DBB | ANSYS Database Backup |
| .DBC | CANdb Network File (Vector Informatik GmbH) |
| .DBC | OrCAD Capture CIS Database Configuration (Cadence Design Systems, Inc.) |
| .DBC | PROGNOSIS Database Collection Document File |
| .DBC | Visual Foxpro Database Container (Microsoft Corporation) |
| .DBD | Psion (Psion PLC) |
| .DBD | Business Insight Data |
| .DBD | Clarion for Modula-2 Debug Info (SoftVelocity) |
| .DBD | DemoShield Project File (InstallShield Software Corporation) |
| .DBD | Oracle Record Type |
| .DBE | Database Engine File |
| .DBE | ActiveSync Backup File (Hewlett-Packard Development Company, L.P.) |
| .DBF | ArcView Shapefile Attribute Table File (ESRI) |
| .DBF | Database |
| .DBF | JetForm FormFlow Data File |
| .DBF | Oracle 8.x Tablespace File |
| .DBF | NovaBACKUP Backup Database (NovaStor Corporation) |
| .DBF | iAnywhere Database File (Sybase, Inc.) |
| .DBF | The Network Diary Database (CF Systems Ltd) |
| .DBF | Alpha Five Table Data File (Alpha Software, Inc.) |
| .DBF | Abacus Law Data (Abacus Data Systems, Inc.) |
| .DBF | Psion Series 3 Database (Psion PLC) |
| .DBF | CDBF Database (WhiteTown Software) |
| .DBF | ACT! Main Database File (Best Software CRM Division) |
| .DBG | Oracle Generator File |
| .DBG | PFE File |
| .DBG | C++ Symbolic Debugging Info (Borland Software Corporation) |
| .DBG | Paradox File |
| .DBG | Debugger Script Watcom Debugger |
| .DBG | ArcView Problem Debug Log File (ESRI) |
| .DBG | MS Visual C++ CodeView COFF-format Debugger information |
| .DBG | Watcom Debugger Script |
| .DBI | Isearch Database Information |
| .DBI | Database Explorer Information (Borland Software Corporation) |
| .DBI | Fifa World Cup Game Data Comin fe File |
| .DBI | Photo Soap2 File |
| .DBK | OrCAD Schematic Capture Backup File (Cadence Design Systems, Inc.) |
| .DBK | dBASE Database Backup |
| .DBKIT | Doggiebox Drum Kit File (Zygoat Creative Technical Services) |
| .DBL | WindowsXP Product Activation File (Microsoft Corporation) |
| .DBL | LineWriter File |
| .DBLS | Smart Manager DigitalDreams Barcode Label Script (DigitalDreams Business Solutions) |
| .DBM | DataBoss Menu Template |
| .DBM | DigiBooster Pro Tracker MOD File (APC & TCP) |
| .DBM | DataEase / DataEase Express Data File |
| .DBM | Rational Data Architect Physical Data Model (IBM) |
| .DBM | Cold Fusion Template |
| .DBM | OzWin CompuServe E-mail/Forum Access SYSOP File |
| .DBNML | NML Language Database Extension (NevoSoft) |
| .DBO | DarkBASIC Professional 3D Model File (The Game Creators Ltd.) |
| .DBO | DB/TextWorks Database Directory (Inmagic, Inc.) |
| .DBO | dBASE IV Compiled Program File |
| .DBOOK | Pocket Diary Text |
| .DBP | Visual Studio .NET Database Project (Microsoft Corporation) |
| .DBP | SignIQ Data Broker Project (ImpulseLogic) |
| .DBPRO | DarkBASIC Professional Project File (The Game Creators Ltd.) |
| .DBQ | AutoCAD DB Query (Autodesk, Inc.) |
| .DBQ | Paradox Memo |
| .DBQ | QuickLink Database |
| .DBR | DB/TextWorks Database (Inmagic, Inc.) |
| .DBR | Golf Courses File |
| .DBR | Comdial VMMI Database |
| .DBR | DeepBurner Burn File List (ASTONSOFT Co.) |
| .DBR | TCM - MRP Software Compliled Executable (WorkWise, Inc.) |
| .DBS | Works Printer Description File (Microsoft Corporation) |
| .DBS | DB/TextWorks Database Textbase Structure File (Inmagic, Inc.) |
| .DBS | Structured Query Language (SQL) Format Database |
| .DBS | ProDas - SQL Windows Data |
| .DBS | SQL Anywhere Database (iAnywhere Solutions, Inc.) |
| .DBS | PRODAS Data File |
| .DBS | Managing Your Money Database |
| .DBS | Word Printer Description File (Microsoft Corporation) |
| .DBS | GPS Data File |
| .DBS | SQLBase Database (Gupta) |
| .DBS | DeBabelizer Script |
| .DBSONG | Doggiebox Song File (Zygoat Creative Technical Services) |
| .DBT | Database Text File |
| .DBT | Foxbase Memo |
| .DBT | FoxPro, Foxbase+ Style Memo |
| .DBT | JetForm FormFlow Data File |
| .DBT | Oracle Template |
| .DBT | dBFast Memo Text for Database |
| .DBT | SeeYou Waypoint (Naviter) |
| .DBT | OpenInsight Database File (Revelation Software) |
| .DBT | AutoCAD R2000 DB Template (Autodesk, Inc.) |
| .DBT | Abacus Law Ver. 9 Data (Abacus Data Systems, Inc.) |
| .DBTOOLS | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DBU | Client-Course Manager Database Expansion Update File (PTEP Inc) |
| .DBV | Abacus Law Ver. 10 Data (Abacus Data Systems, Inc.) |
| .DBV | Flexfile Memo Field File |
| .DBW | DataBoss Database File |
| .DBWRITER | TechWriter for Databases Document (Adivo Ltd.) |
| .DBX | Visual Foxpro Table (Microsoft Corporation) |
| .DBX | Formula Graphics Project |
| .DBX | Outlook Express E-mail Folder (Microsoft Corporation) |
| .DBX | DataBeam Image |
| .DBX | Database Index |
| .DB_ | CAD File |
| .DC | Spice DC Output |
| .DC | Dialect Compiled Script |
| .DC | DesignCAD CAD File (IMSI/Design LLC) |
| .DC | Systems Management Server (SMS) Collection Evaluator Deletion (Microsoft Corporation) |
| .DC | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DC$ | Ntgraph Visual C Wizzard File |
| .DC+ | DataCAD Plus Drawing (DATACAD LLC) |
| .DC1 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DC2 | DC25 Digital Camera File (Kodak) |
| .DC2 | WinControl DC2-PC Motion Control Command Language File (Precision MicroControl Corp.) |
| .DC2 | DesignCAD CAD File (IMSI/Design LLC) |
| .DC2 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DC3 | Diamond Caves Version 3 Level Group File (Diamond Productions) |
| .DC5 | DataCAD Drawing File (DATACAD LLC) |
| .DCA | DCA Archiver Compressed Archive |
| .DCA | Visual Basic X DateBook File (Microsoft Corporation) |
| .DCA | IBM DisplayWrite Document Content Architecture Text File (IBM) |
| .DCA | D-PAS Portfolio Manager File |
| .DCB | Concordance Database Control Block |
| .DCB | TrialDirector Concordance Database File (inData Corporation) |
| .DCB | Digital Ceremonial Bugle Configuration (Profile) File (S & D Consulting Int. Ltd.) |
| .DCC | WordExpress2.0 Dictionary File |
| .DCD | INMOS Transputer Development System Occam Object Code |
| .DCD | DesignCAD Drawing (IMSI/Design LLC) |
| .DCD | DisCryptor Encrypted Database (COSECT, Computer Security Technologies Ltd.) |
| .DCD | FORTRAN Data File |
| .DCD | Dynamic-CD-Wizard Project File |
| .DCD | Document Content Description File |
| .DCE | DriveCam Video (DriveCam, Inc.) |
| .DCE | DCE AutoEnhance Settings File (MediaChance) |
| .DCE | AutoCAD R2000 Dialog Error Log (Autodesk, Inc.) |
| .DCF | Dyadic Data File |
| .DCF | D-Lib Generic Bytecode (thINK!) |
| .DCF | Taskmaster Batch Pilot Form (Datacap Inc.) |
| .DCF | Disk Copy Fast Floppy Disk Image (Chang Ping Lee) |
| .DCF | WordExpress2.0 Dictionary |
| .DCF | ProWORX Nxt Database Configuration (Schneider Electric) |
| .DCF | DRM Content Format Delivery File |
| .DCF | HP-95LX Datacomm Configuration |
| .DCF | DynSite Configuration File |
| .DCF | DisCryptor Encrypted Archive (COSECT, Computer Security Technologies Ltd.) |
| .DCF | Disk Image File |
| .DCF | Design Rule for Camera File Systems File |
| .DCH | DraftChoice Drawing (TRIUS, Inc.) |
| .DCI | AOL HTML Mail (America Online, Inc.) |
| .DCIM | Digital Imaging and Communications in Medicine |
| .DCK | ZX Spectrum-Emulator |
| .DCK | Resolume Deck (Edwin de Koning and Bart van der Ploeg) |
| .DCL | AutoCAD Dialog Control Language Description (Autodesk, Inc.) |
| .DCL | DumpSec |
| .DCL | Delphi Component Library (Borland Software Corporation) |
| .DCL | DesignComposer Addition to Layout Knowledge Base |
| .DCLST | DC and DC++ Direct Connect |
| .DCM | My Book Backup Tracking File (Western Digital Corporation) |
| .DCM | Digital Imaging and Communications in Medicine (DICOM) Image |
| .DCM | DiskCatalogMaker Database File (FUJIWARA SOFTWARE) |
| .DCM | Sound |
| .DCM | Atari Disk Image Format (Atari) |
| .DCMD | DiskCatalogMaker Database File (FUJIWARA SOFTWARE) |
| .DCN | VerdiCash Digital Cash Note (VerdiCash Inc.) |
| .DCO | DisCryptor Encrypted Virtual Disk Archive (COSECT, Computer Security Technologies Ltd.) |
| .DCP | Terminal Program; DynaComm Script |
| .DCP | Dynamic Cone Penetrometer Data File (Pavement Technology Ltd.) |
| .DCP | ArcView Default Codepage File (ESRI) |
| .DCP | Digi-Comp Program/Project Data |
| .DCP | Delphi Compiled Packages (Borland Software Corporation) |
| .DCP | OS/2 Data CodePage (IBM) |
| .DCPIL | Delphi Compiler Symbolic Information (Borland Software Corporation) |
| .DCR | Shockwave Movie (Macromedia, Inc.) |
| .DCR | Kodak Digital Camera Raw Image File (Kodak) |
| .DCR | RIF Picture |
| .DCR | Delphi Component Resource (Borland Software Corporation) |
| .DCR | AstroVIEW X Data Log (Astro-Med, Inc.) |
| .DCS | AcaStat DataCalc Data Files (AcaStat Software) |
| .DCS | Bitmap Graphic |
| .DCS | 1st Reader |
| .DCS | ACT! Activity Data File (Best Software CRM Division) |
| .DCS | Color Separated EPS Format |
| .DCS | Desktop Color Separation File |
| .DCS | Kodak Professional Digital Camera |
| .DCS | Quark Desktop Color Separation Specification |
| .DCT | StartSpanish Dictation Sound File (GB Blanchard) |
| .DCT | DALiM LiTHO Continuous Tone Bitmap (Blanchard Systems Inc.) |
| .DCT | GIS (and many others) Dictionary |
| .DCT | Visual Foxpro Database Container (Microsoft Corporation) |
| .DCT | Dictionary |
| .DCT | Delphi Component Template (Borland Software Corporation) |
| .DCT | Clarion for Windows Data Dictionary (SoftVelocity) |
| .DCT | ArcView Geocoding Dictionary File (ESRI) |
| .DCTMP | DC++ Incomplete Download File |
| .DCU | Delphi Compiled Unit (Borland Software Corporation) |
| .DCUIL | Delphi Compiler Symbolic Information (Borland Software Corporation) |
| .DCV | DriveCrypt Volume |
| .DCW | Draft Choice for Windows Drawing (TRIUS, Inc.) |
| .DCX | Visual Foxpro Database Container (Microsoft Corporation) |
| .DCX | PC-Paintbrush File (Zsoft) |
| .DCX | Macros |
| .DCX | Graphics Multipage PCX Bitmap |
| .DCX | ElectraSoft Fax |
| .DCX | DesignCAD (IMSI/Design LLC) |
| .DC~ | Ntgraph Visual C Wizzard File |
| .DD | Everest Data Dictionary (Everest Software, Inc.) |
| .DD | C64 Image Doodle |
| .DD | Macintosh Compressed Disk Doubler Archive |
| .DD | C64 Doodle |
| .DD2 | Dungeon Designer 2 Map Design (ProFantasy Software Ltd.) |
| .DD3E | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DDA | DDA Media File (D:Net Media Pty Ltd) |
| .DDATA | Pocket Diary Text File |
| .DDB | ACT! Sales Data File (Best Software CRM Division) |
| .DDB | ProWORX Nxt Descriptor Data (Schneider Electric) |
| .DDB | Protel 99SE Design Database File |
| .DDB | INMOS Transputer Development System Occam Debugging Info |
| .DDB | Device-Dependent Bitmap Graphics File |
| .DDB | Design Database File |
| .DDB | DProfiler Cost Database (Beck Technology) |
| .DDC | DivX Descriptor DVD Description File (Daren-Softwares) |
| .DDC | ddoc Print and Preview Print Preview Document (Don Dickinson) |
| .DDD | Diagram Designer Project Data File (MeeSoft) |
| .DDD | TIS-Office Digital Tachograph Data File (Siemens AG) |
| .DDD | Medlin Accounting Direct Deposit Information (Medlin Accounting) |
| .DDD | BullsEye Style Sheet |
| .DDD | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DDD | Fuji Xerox 2D CAD Data |
| .DDD | ARC+ Drawing (ACA) |
| .DDD | Acrobat Distiller (Adobe Systems Incorporated) |
| .DDD | ColdFusion Verity Engine Fields Definition (Adobe Systems Incorporated) |
| .DDD | Alpha Five Table Data Dictionary File (Alpha Software, Inc.) |
| .DDD | Payroll Mate 2008 Direct Deposit File (RealTaxTools.com) |
| .DDE | Dynamic Data Exchange |
| .DDE | TIMTEL File |
| .DDF | Doom Definition File |
| .DDF | Btrieve Data Dictionary File (Pervasive Software Inc.) |
| .DDF | Music Library File |
| .DDF | ProWORX Nxt Descriptor Data (Schneider Electric) |
| .DDF | GPS Pathfinder Office Data Dictionary (Trinble Navigation Limited) |
| .DDF | Grand Theft Auto III File (Rockstar Games) |
| .DDF | ACDSee Use Database (Photo Disc Data File) (ACD Systems Ltd.) |
| .DDF | My Personal Diary Entry Storage File (CAM Development) |
| .DDF | ACT! Database Definition File (Best Software CRM Division) |
| .DDF | Diamond Directive File (Microsoft Corporation) |
| .DDF | Bitstream Fontware |
| .DDI | Disk Doubler Image |
| .DDI | DiskDupe Image |
| .DDIF | Digital Equipment DIGITAL Document Interchange Format |
| .DDJ | SilkRoad Alchemy Page (Joymax. Co., Ltd.) |
| .DDK | OS/2 Saved SKF Format File (IBM) |
| .DDL | SQL Data Definition Language File |
| .DDM | Alpha Five Table Objects (Alpha Software, Inc.) |
| .DDM | Intelliware Data Modeller |
| .DDNA | Miramar Systems Desktop DNA |
| .DDO | Tank3d Game File |
| .DDOC | DigiDoc Digital Signature (OpenXAdES Project) |
| .DDP | OS/2 Device Driver Profile File |
| .DDP | Delphi Diagram Portfolio (Borland Software Corporation) |
| .DDP | Inor DSoft Software File |
| .DDP | DDAdd Dinkey Dongle Protection Parameters (Microcosm Ltd.) |
| .DDPOKERSAVE | DD Tournament Poker Save File (Donohoe Digital LLC) |
| .DDR | DDRemote Parameter File (Microcosm Ltd.) |
| .DDR | Systems Management Server (SMS) Discovery Data Record (Microsoft Corporation) |
| .DDR | FileMaker Pro Database Design Report (FileMaker, Inc.) |
| .DDS | INMOS Transputer Development System Occam Compiler Descriptor |
| .DDS | DirectX (Multiple Versions) DirectDraw Surface (Microsoft Corporation) |
| .DDS | Photoshop Compressed Textures (Adobe Systems Incorporated) |
| .DDS | Battlefield 1942 Unit/Object Texture File (Electronic Arts, Inc.) |
| .DDS | FPS Creator Texture (The Game Creators Ltd.) |
| .DDS | Orbiter Texture File (Martin Schweiger) |
| .DDS | XMap XData Dataset (Delorme) |
| .DDT | Linux Configuration File |
| .DDT | Jill Game File |
| .DDT | Diagram Designer Template (MeeSoft) |
| .DDT | PDP-10 Commands for DDT Debugger or FILDDT File Patcher |
| .DDT | Neurological Data for Statistical Analysis |
| .DDV | Xbase Dbfast Example Ivadbsp File |
| .DDW | Datadisc Data |
| .DDW | CSPro File |
| .DDX | Alpha Five Dictionary Index File (Alpha Software, Inc.) |
| .DDX | Device Data Exchange Format File (Get Organised Our Dissemination of Die Information in Europe) |
| .DDX | Juno Get File |
| .DDY | ASHRAE Design Conditions Design Day Data (American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc.) |
| .DE | MetaProducts Download Express Incompletely Downloaded File |
| .DE | Win Ace 204 File |
| .DE$ | Modem Bitware Fax Disk2 File |
| .DEAD | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DEAR | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .deb | Debian Software Package |
| .DEB | DOS Debug Script |
| .DEBIAN | Debian Make File |
| .DEBUG | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DEC | VersaPro Declaration File |
| .DEC | Decoded File |
| .DEC | DEC DX, WPS Plus Document |
| .DEC | ArcView UNIX Hyperhelp Supporting File (ESRI) |
| .DEC | Magic: The Gathering Deck of Cards (Wizards of the Coast, Inc., a subsidiary of Hasbro, Inc.) |
| .DEC | EasyConverter Project File (Dolphin Computer Access Ltd.) |
| .DEC | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DECK | DeckTools Deck Project (dotDeck File) (DeckTools) |
| .DECOR | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DEE | Creator Simulator Network Description File (Tufts University) |
| .DEELITED | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DEF | Data Entry/Review Module (DATAIR Employee Benefit Systems, Inc.) |
| .DEF | Defaults |
| .DEF | AniSprite (CompuPhase) |
| .DEF | ArcView Defaults File (ESRI) |
| .DEF | Geoworks Assembly Header File |
| .DEF | Module Definition/Configuration File |
| .DEF | Definitions |
| .DEF | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DEF | C++ Definition |
| .DEF | Bert's Dinosaurs File |
| .DEF | SmartWare II Data File |
| .DEF | TLink - Wlink - Others Linker Definition |
| .DEF | Visual C++ Definition |
| .DEF | ADS Source Code (Autodesk, Inc.) |
| .DEF | RCSWin New (Default) Job File (RCS Corporation) |
| .DEF | Modula-2 Definition Module File |
| .DEF | DbForm Document Definiton (Version One Ltd) |
| .DEF | ZDP ZEBU's Directory Printer Definitions of User-defined Output Formats (ZEBU Informatics) |
| .DEF | OPTLINK Digital Mars Module Definition File (Digital Mars) |
| .DEF | SGML Tag Definition |
| .DEF | 3D Fassade Plus Define Module |
| .DEFAULT | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DEFAULTS | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DEFENSE | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DEFI | Oracle Ver. 7 De-install Script |
| .DEFS | Xcode Core MIG Program (Apple Inc.) |
| .DEH | Dehacked File |
| .DEI | Gerber Design Engineered Interface |
| .DEJAVU-THEME-1 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DEK | Memorize-It Multimedia Flashcard Deck (Side-Eight Software) |
| .DEL | PCTracker Undelete Tracking File |
| .DEL | Creator Simulator Compiled Module (Tufts University) |
| .DEL | Data |
| .DEL | Deleted Data List |
| .DELAY | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DELETE | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DELTA | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DEM | Demetra Automated Project (European Commission (Eurostat)) |
| .DEM | Turing (Holt Software Associates, Inc.) |
| .DEM | Vista Digital Elevation Model File |
| .DEM | Half-Life Demo File (Sierra) |
| .DEM | Descent Demonstration |
| .DEM | Delphi Edit Mask (Borland Software Corporation) |
| .DEM | USGS US Geological Survey National Mapping Division Topo30 3D File (USGS SDTS) |
| .DEM | ArcView Digital Elevation Model File (ESRI) |
| .DEM | Quake/Hexen II .DEM File Format |
| .DEM | Unreal Tournament Demonstration File (Epic Games, Inc.) |
| .DEM | Vista Pro Graphic |
| .DEM | Creator Simulator Temporary File (Tufts University) |
| .DEM | Raven Shield In-Game Recording (Ubi Soft Entertainment) |
| .DEMO | Demo |
| .DEMO | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DEMO2 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DEMOPIC | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DEO | Creator Simulator Compiled Module (Tufts University) |
| .DEP | Visual Basic Setup Wizard Dependency (Microsoft Corporation) |
| .DEP | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DEPLOY | DeployMaster Installation Project File (JGsoft - Just Great Software) |
| .DEPOT | HP-UX Software Distributor Catalog Depot (Hewlett-Packard Development Company, L.P.) |
| .DEPR | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DEPRO | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DEPROTECT | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DEPROTECTS | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DER | DER Encoded X509 Certificate |
| .DES | V+ Visual Development System Design File (SimPhonics, Inc.) |
| .DES | Designer Technical Illustration (Corel) |
| .DES | nProtect GameGuard Game Security Plug-in (INCA Internet Co, Ltd.) |
| .DES | Medlin Accounting Sales Code Information (Medlin Accounting) |
| .DES | GRAFIT Layout |
| .DES | Tribes 2 Game File (Sierra) |
| .DES | ACT! (Best Software CRM Division) |
| .DES | QuickBooks Forms Template (Intuit, Inc.) |
| .DES | Creator Simulator Mozart Source File (Tufts University) |
| .DES | Interscope BlackBox File |
| .DES | Delphi Description File |
| .DES | Description Text |
| .DES | File Investigator Description File (RobWare) |
| .DES | Pro/DESKTOP Design (Parametric Technology Corporation) |
| .DESC | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .desc | munpack Unpacked Initial Part of Mail Message |
| .DESC | Description |
| .DESCR | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DESIGN | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DESK | Card Deck File |
| .DESK | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DESKEDIT | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DESKLINK | Desklink Powertoy File (Microsoft Corporation) |
| .DESKLINK | Windows Explorer Desktop Controls (Microsoft Corporation) |
| .DESKTOP | DesktopX Theme (Stardock Corporation, Inc.) |
| .DESKTOP | Desktop Entry Standard Desktop Entry File |
| .DESKTOP | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DESKTOP | KDevelop Desktop Template File (KDevelop Team) |
| .DESKTRCKR | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DET | StageII Detector Properties File (FITS Format) |
| .DET | ACT! Saved E-mail File (Best Software CRM Division) |
| .DET | Dart File |
| .DETAILS | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DETECTOR | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DEU | Personal Paint German Language User Interface File (Amiga) |
| .DEU | ATI Radeon Video Driver |
| .DEU | German File (possibly) |
| .DEV | London Architect Custom Device File (BSS Audio) |
| .DEV | LaTeX File |
| .DEV | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DEV | Device Driver |
| .DEV | Dev-C++ Project File (Bloodshed Software) |
| .DEV | Device Independent TeX |
| .DEV | e-Sword Devotions (Rick Meyers) |
| .DEVEL | Developper File |
| .DEVHELP | KDevelop DevHelp Documentation (KDevelop Team) |
| .DEVIATION | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DEVLIST | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DEWF | General Sound |
| .DEWF | Macintosh SoundCap/SoundEdit Recorded Instrument |
| .DEX | Dalvik Dex Class |
| .DEX | DEXIS Digital X-ray (ProVision Dental Systems, Inc.) |
| .DEX | WinGlucofacts Data File (Bayer HealthCare LLC) |
| .DEX | Excel File |
| .DEZ | Data Ease version 4.x |
| .DEZ | DES Encrypted Zip File |
| .DEZ | DeZign for databases Project (Datanamic) |
| .DEZ | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DE_ | Doko Compressed Install File |
| .DF | XtalView Double .FIN File (The Computational Center for MacroMolecular Structures (CCMS)) |
| .DF | Data File |
| .DF | NCSA Hierarchical Data File |
| .DF | Lightscape Parameters |
| .DF | Paradox Table Filter |
| .DF$ | Ntgraph Visual C Wizzard File |
| .DF1 | Omnis7 and Omnis Studio Database File (Omnis Software) |
| .DF10 | IRIG 106 Recording Directory File (Range Commanders Council) |
| .DF2 | Omnis7 and Omnis Studio Database File (Omnis Software) |
| .DF3 | Pov-ray for Windows (Persistence of Vision Raytracer Pty Ltd.) |
| .DF3 | Omnis7 and Omnis Studio Database File (Omnis Software) |
| .DF4 | Omnis7 and Omnis Studio Database File (Omnis Software) |
| .DF5 | Omnis7 and Omnis Studio Database File (Omnis Software) |
| .DF6 | Omnis7 and Omnis Studio Database File (Omnis Software) |
| .DF7 | Omnis7 and Omnis Studio Database File (Omnis Software) |
| .DF8 | Omnis7 and Omnis Studio Database File (Omnis Software) |
| .DF9 | Omnis7 and Omnis Studio Database File (Omnis Software) |
| .DFA | Amateur Strip Poker Data |
| .DFB | Data Flask Data Formula File (Interscape) |
| .DFC | Voicemail File |
| .DFCLASS | Together ControlCenter Development Tool |
| .DFCOMPONENT | Together ControlCenter Development Tool |
| .DFD | ABC Programming Language Dyadic Function |
| .DFD | File Flow Diagram Graphic |
| .DFD | CWK File |
| .DFD | Prosa Data Flow Diagram Graphic |
| .DFF | Digital Animation Format |
| .DFF | Dynamic File Format Resource Database (Kreative Korporation) |
| .DFF | Grand Theft Auto III Export Format (Rockstar Games) |
| .DFG | Data Flask Grid File (Interscape) |
| .DFI | Digifont Outline Font Description |
| .DFI | DiskFactory32 Diskette Image (Accurate Technologies) |
| .DFL | Fresh Download List File (Freshdevices.com) |
| .DFL | Signature Default Program Settings |
| .DFM | Prosa Data Flow Diagram Model |
| .DFM | Delphi Form (Borland Software Corporation) |
| .DFM | Digital-FM |
| .DFM | Wintidy File |
| .DFM | C++ Builder 6 Form (Borland Software Corporation) |
| .DFM | File Flow Diagram Model |
| .DFM | Datafax Image |
| .DFN | Definition File |
| .DFN | DFNWarrior Itemlist |
| .DFN | Delphi Integrated Translation Environment (Borland Software Corporation) |
| .DFN | TalkAssist Icon String Meaning |
| .DFN | Winyaps Style |
| .DFONT | Macintosh OS X Data Fork Font File (Apple Inc.) |
| .DFP | Digital Fusion Plug-in |
| .DFP | Data Flask Package File (Interscape) |
| .DFP | Zoids Commando Player Data File (D9 Software) |
| .DFP | Stabilogram Diffusion Analysis File |
| .DFPACKAGE | Together ControlCenter Development Tool |
| .DFS | Area-51 Game Data (Midway Home Entertainment Inc.) |
| .DFS | AutoCAD Utility Defaults (Autodesk, Inc.) |
| .DFS | Delight Sound File |
| .DFS | Swirlique Data/Parameter File (Mystic Fractal) |
| .DFSEQUENCE | Together ControlCenter Development Tool |
| .DFT | Workshare Synergy File |
| .DFT | Fakt2000 File |
| .DFT | PC Draft File |
| .DFT | Solid Edge Draft Document (UGS PLM Solutions) |
| .DFT | WaveMaker File |
| .DFT | BullsEye Style Sheet |
| .DFT | cncKad2002 Drafting Tool (Metalix) |
| .DFV | GYYR DVMS Digital CCTV Recording |
| .DFV | Word Print Format Template (Microsoft Corporation) |
| .DFW | DERIVE Math Package (Chartwell-Yorke Ltd) |
| .DFWEBAPPLICATION | Together ControlCenter Development Tool |
| .DFX | Micrografx Designer Effects |
| .DFX | AutoCAD 3D Vector Graphics (Autodesk, Inc.) |
| .DG | Xsteel Drawing File (Tekla) |
| .DG | Auto-trol Graphics |
| .DG-KEY | DigiGuide Key File (GipsyMedia Limited) |
| .DGC | DigiGuide Channel Extension (GipsyMedia Limited) |
| .DGC | TurboTax (Intuit) |
| .DGC | Digital G Codec Archiver |
| .DGC | IBM DataGLANce Capture File |
| .DGF | Acrobat (Adobe Systems Incorporated) |
| .DGF | GPS Pathfinder Office Geoid Grid File (Trinble Navigation Limited) |
| .DGK | Delcam Powershape/Powermill |
| .DGL | DigiGuide Language File (GipsyMedia Limited) |
| .DGL | DynaGeo License File (EUKLID) |
| .DGM | Digital Geospatial Metadata File |
| .DGM | Arcland Flow Chart Diagram |
| .DGM | Freelance Graphics Diagram (IBM) |
| .DGMARKER | DigiGuide Marker File (GipsyMedia Limited) |
| .DGN | EdG Design File |
| .DGN | MicroStation Design File (Bentley Systems, Incorporated) |
| .DGN | Dragon 32 Emulator |
| .DGN | ArcView Design Drawing File (ESRI) |
| .DGN | Intergraph Graphics (Intergraph Corporation) |
| .DGO | Dimitrius Settings File |
| .DGP | Creator Simulator Tab Fault List (Tufts University) |
| .DGPRINT | DigiGuide Print Template (GipsyMedia Limited) |
| .DGR | MicroStation 95 CAD Design File (Bentley Systems, Incorporated) |
| .DGR | Pivot Graphic Fax |
| .DGR | Fax Page |
| .DGR | DART Pro 98 File Group Details |
| .DGR | PhoneTools Internal Graphic Format (BVRP Software UK) |
| .DGR | Keeptool ER Diagrammer |
| .DGS | AT Advanced Diagnostics |
| .DGS | Dagesh Document (GalTech Software) |
| .DGSCHEME | DigiGuide Scheme (GipsyMedia Limited) |
| .DGSCHEME-WEB | DigiGuide Scheme (GipsyMedia Limited) |
| .DGSS | DigiGuide Smart Search File (GipsyMedia Limited) |
| .DGT | Digital Gallery |
| .DGTOOLBAR | DigiGuide Toolbar (GipsyMedia Limited) |
| .DGW | Digi-Watcher Proprietary Video Format |
| .DGX | Rational XDE (IBM) |
| .DH | Geoworks Dependency Information File |
| .DH2 | Pursuit CRM Report Viewer File (Pursuit Services Ltd.) |
| .DHCD | DHCD Computing Program Data or Settings (DHCD Computing) |
| .DHE | Help Workshop Dialog Box Help Editor Document (Microsoft Corporation) |
| .DHE | Visual Basic Dialog Box Help Editor Document |
| .DHF | Help Maker File |
| .DHG | Direct Hit Graphics Engine Graphic Output (Direct Hit Systems, Inc.) |
| .DHP | Dr. Halo PIC |
| .DHR | Image Apple IIe / Apple IIc, Double Hi-Res Writes 2 colors. |
| .DHR | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DHRP | Image Apple IIe / Apple IIc, Double Hi-Res 2 colors compressed. |
| .DHT | DanTemplate Templated HTML File (DanSoft Australia) |
| .DHT | Ox Object-Oriented Matrix Programming Language Gauss Data File |
| .DHT | Gauss Data File |
| .DI | Digital Illusion Format |
| .DI | Atari Disk Image (Atari) |
| .DI | Sound |
| .DIA | Psion Organiser Diary File (CM/XP Format) (Psion PLC) |
| .DIA | Do It Again Macro Script (Spacetornado Software) |
| .DIA | DIA Drawing |
| .DIA | Computer Support Corp Diagraph Graphics File |
| .DIA | Diaporama |
| .DIABLOFONT | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DIALLIST | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DIALOG | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DIALOGUE | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DIAMONDS | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DIB | Device-Independent Bitmap Graphic |
| .DIC | WordExpress2.0 Dictionary |
| .DIC | Microsoft Business Solutions--Great Plains Program Source Code (Microsoft Corporation) |
| .DIC | Notes Dictionary (IBM) |
| .DIC | Timeslips Personal Dictionary (Peachtree Software) |
| .DIC | Mozilla Dictionary File (Mozilla) |
| .DIC | Dictionary |
| .DIC | DICOM Digital Imaging and Communications in Medicine Format Bitmap |
| .DICM | DICOM Digital Imaging and Communications in Medicine |
| .DICOM | DICOM Digital Imaging and Communations in Medicine Format Bitmap |
| .DICPROOF | Dictionary Proofing File (Microsoft Corporation) |
| .DICT | Dicts File |
| .DICT | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DICTIONARY | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DID | BullsEye File |
| .DID | IKON DISC Image Document IDentifier (IKON Office Solutions, Inc.) |
| .DID | Acrobat Distiller (Adobe Systems Incorporated) |
| .DIE | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DIE-AGAIN | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DIESEL | Bandits - Phoenix Rising (GRIN) |
| .DIF | Raytheon Raster Bitmap |
| .DIF | OS/2 Display Information File |
| .DIF | Excel Data Interchange Format (Microsoft Corporation) |
| .DIF | ProWORX Nxt Data Interchange File (Schneider Electric) |
| .DIF | Spreadsheet |
| .DIF | Wright Design's Design Image Format |
| .DIF | Output from diff Command script for Patch command. |
| .DIF | DVCPRO or DV Video File |
| .DIF | Data Interchange Format |
| .DIF | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DIFF | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DIFF | Difference File |
| .DIG | Digilink Format |
| .DIG | Text Document |
| .DIG | Sound Designer Audio File |
| .DIGI | DIGIBooster Module Format |
| .DII | CT Summation Document Image Information Load File (CT Summation, Inc.) |
| .DII | TrialDirector Load File (inData Corporation) |
| .DIL | Dialog LOTUS or HighEdit Import-Export Images |
| .DIL | WordExpress2.0 File |
| .DIL | Delphi File |
| .DIL | DesignComposer Input DIL Script |
| .DIM | Active@ File Recovery Disk Image Configuration File (LSoft Technologies Inc) |
| .DIM | AutoCAD Dimension File (Autodesk, Inc.) |
| .DIM | XMap Symbol File (Delorme) |
| .DIME | MyPublisher BookMaker Book File (MyPublisher) |
| .DIN | DataEase File |
| .DIN | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DIN | ADC Labs eWave File |
| .DINERDASHSAVEDGAME | Diner Dash Saved Game (Gamelab) |
| .DINGBATS | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DIP | MemoryLifter Packed Learning Module Files (LearnLift) |
| .DIP | DVDINFOPro Saved Data Graph (Nic Wilson & Jonathan Wilson) |
| .DIP | Watcom Debugger Debug Info Processor |
| .dir | dbm Database Directory File |
| .DIR | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DIR | VAX - CPS Backup Directory File |
| .DIR | Worms Armageddon Archive |
| .DIR | Directory Indicator (Microsoft Corporation) |
| .DIR | Procomm Plus Dialing Directory |
| .DIR | DEC VAX Directory |
| .DIR | Grand Theft Auto III (Rockstar Games) |
| .DIR | CPS Backup |
| .DIR | Macromedia Director Movie (Adobe Systems Incorporated) |
| .DIR | ArcView INFO Directory Manager File (ESRI) |
| .DIR | WebSTAR Directory Indexer Plugin File |
| .DIRECT | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DIRECTORY | KDE Folder Parameters (KDE e.V.) |
| .DIRECTORY | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DIRLIST | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DIS | Soundweb Firmware File (BSS Audio) |
| .DIS | Corel Draw Thesaurus |
| .DIS | Dashboard of Sustainability Indicator Set (International Institute for Sustainable Development and JRC) |
| .DIS | Oracle Discoverer Workbook (Oracle) |
| .DIS | VAX Mail Distribution File |
| .DIS | Mobius Distribution Database |
| .DIS | DKB Ray Tracer File |
| .DIS | Data Import Specification Layout File (DATAIR Employee Benefit Systems, Inc.) |
| .DIS | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DISAP | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DISASM | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DISCO | NET Web Service Discovery File (Microsoft Corporation) |
| .DISHONOR | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DISK | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DIST2 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DIST4 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DIT | DRAWiT Save File (Poster Software) |
| .DIT | Windows2000 Active Directory Schema (Microsoft Corporation) |
| .DIV | DivX Movie (DivXNetworks, Inc.) |
| .DIVX | DivX Movie (DivXNetworks, Inc.) |
| .DIVX | Movie Encoded with DivX-codec |
| .DIX | Stonevoice Translator Extended Dictionary (Stonevoice) |
| .DIY | HomeStudio Project File (Do-It-Yourself Portraits) |
| .DIZ | Description In Zip File |
| .DIZ | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DI_ | Doko Compressed Install File |
| .DJE | MattBatt iAM-player Track List (MattBatt Productions) |
| .DJIA | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DJR | Macromedia Director Video Java Resource (Adobe Systems Incorporated) |
| .DJTA | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DJUA | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DJV | DjVu File |
| .DJVU | DjVu File (LizardTech, Inc.) |
| .DJW | Datadisc Explore |
| .DJX | Dundjinni Art (Fluid Entertainment) |
| .DK | Danemark |
| .DKB | DKBTrace Ray-Traced Graphics File |
| .DKB | DataKeeper Backup File (Symantec Corporation) |
| .DKD | Submarine Titans Battle Map (Ellipse Studios) |
| .DKI | Doppel Kopf |
| .DKP | Dreamkeys Plug-in |
| .DKS | DataKeeper Configuration File (Symantec Corporation) |
| .DKT | DktBot File |
| .DKX | Submarine Titans Battle Map (Ellipse Studios) |
| .DKZ | Description In Zip File |
| .DL | Masked .DLL File |
| .DL | MAC Image Format |
| .DL | Animation |
| .DL | Zoo Tycoon 2 Game File (Microsoft Corporation) |
| .DL | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DL | FLEXnet Manager Debug Log File (Acresso Software Inc.) |
| .DL$ | System DLLbackup File |
| .DL0 | ABBYY Finereader 4.0 Sprint (ABBYY Software House) |
| .DL4 | Lindab Dimsilencer File |
| .DLB | SmartBook |
| .DLB | TigerSHARC Processor VisualDSP++ 3.5 C/C++ Compiler Run-time Library File |
| .DLB | Spectrum Analyzer Spectrum Data File |
| .DLB | SSL Trojan Data File |
| .DLC | Model Dislocation File |
| .DLC | Echelon HQ Configuration File |
| .DLC | 3ds Max Animation Controller File (Autodesk, Inc.) |
| .DLC | DIGILINEAR Compressed Archive (MURASE INDUSTRIES INC.(DIGILINEAR)) |
| .DLC | JDownloader Download Link Container (JDownloader Team) |
| .DLC | Disclib Library Database (Lyra Software Ltd.) |
| .DLD | 1-2-3 (IBM) |
| .DLD | DLLdetective |
| .DLDI | Dynamically Linked Device Interface |
| .DLE | Macromedia Designer 3D Translator File |
| .DLF | Belkin Router Firmware Update |
| .DLF | DataCAD Double Precision Layer (DATACAD LLC) |
| .DLG | Digital Line Graph |
| .DLG | Infinity Game Engine Inter-Character Dialog (BioWare Corp.) |
| .DLG | MicroSim PCBoard NC Drill Descriptive File |
| .DLG | Dialog Resource Script |
| .DLG | RadASM Dialog File (KetilO) |
| .DLG | C++ Dialogue Script |
| .DLG | ArcView Digital Line Graph File (ESRI) |
| .DLG | BioWare Aurora Engine Conversation (BioWare Corp.) |
| .DLI | Beast 2.02 Trojan File |
| .DLK | Xprotect License Code List (Milestone Systems) |
| .DLK | INMOS Transputer Development System Occam Compiler Link Info |
| .DLL | CorelDraw Export/Import Filter |
| .DLL | CorelDRAW Export/Import Filter |
| .DLL | Dynamic Link Library |
| .DLM | 3ds Max (Autodesk, Inc.) |
| .DLM | ASCII Delimited File |
| .DLM | Dirty Little Helper Cheat File |
| .DLM | Dynamic Link Module |
| .DLM | Microsoft File Transfer Manager Partial Download File (Microsoft Corporation) |
| .DLM | FileMaker Pro Data |
| .DLM | Adobe Download Manager Partial Download (Adobe Systems Incorporated) |
| .DLMCACHE | FilePlanet Download Manager Partial Download (IGN Entertainment, Inc.) |
| .DLMPARTIAL | FilePlanet Download Manager Partial Download (IGN Entertainment, Inc.) |
| .DLN | Scanner Recognita File |
| .DLO | 3ds Max Plug-in (Autodesk, Inc.) |
| .DLOG | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DLPF | DinkeyLook Diagnostic Information (Microcosm Ltd.) |
| .DLR | TIB Browser |
| .DLS | Norton DiskLock Setup File |
| .DLS | Downloadable Sounds |
| .DLS | DLS/32 Supply Chain Planning (Adapta) |
| .DLS | dataLive Database Engine File |
| .DLS | Blood 2 |
| .DLT | VCTEditor Data File (LEONI Wiring Systems UK Ltd.) |
| .DLU | Dirty Little Helper Update File |
| .DLW | DALiM LiTHO Line Work Bitmap (Blanchard Systems Inc.) |
| .DLX | Premiere Movie (Adobe Systems Incorporated) |
| .DLX | Complete Works (Toplevel Computing) |
| .DLY | Complete Works Wordprocessing Template (Toplevel Computing) |
| .DLY | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DLZ | Compressed Data File |
| .DL_ | The Land Of UM |
| .DL_ | Compressed DLL File |
| .DM | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DM | Paradox Data Model (Borland Software Corporation) |
| .DM1 | Desktop Music Score (Desktop Music, LLC.) |
| .DM2 | Demetra Detailed Analysis Project (European Commission (Eurostat)) |
| .DM2 | Quake 2 Demo File |
| .DM3 | Gatan Digital Micrograph File Format |
| .DM3 | Quake 3 Arena Demo File |
| .DMA | Direct Memory Access Programming File |
| .DMB | BYOND Byte-Code (BYOND) |
| .DMB | DHTML Menu Builder Project File (xFX JumpStart) |
| .DMC | Medical Manager DML System Compiled Script |
| .DMD | Corel Data Modeling Desktop |
| .DMD | Visual dBASE Data Module |
| .DMD | OS/2 Warp Device Manager Driver |
| .DMD | dB2K/dQuery Web DataModule |
| .DME | Medical Manager DML System Data Merge |
| .DMF | Macintosh Disk Image |
| .DMF | Digitals/Delta Map File (Geosystem (Ukrainian Mapping Agency)) |
| .DMF | Delusion/XTracker Digital Music File |
| .DMF | DemoForge Software Demo File (DemoForge) |
| .DMF | Windows Disk Map File (Microsoft Corporation) |
| .DMF | Packed Amiga Disk Image |
| .DMG | Oracle Binary Format Dump File (Oracle) |
| .DMG | Macintosh OS X Disk Copy Disk Image File (Apple Inc.) |
| .DMJ | Dustman Selection for Delete |
| .DMK | Digimask File |
| .DML | Drillbench Drilling Engineering Markup Language (Scandpower Petroleum Technology) |
| .DML | Depiction Element Definition (Depiction, Inc.) |
| .DML | Darn! Shopping! Mall File |
| .DML | DynaScript Markup Language (Dynascript Technologies, Inc.) |
| .DML | Digital Moderation Meeting Script (teambits Ltd.) |
| .DML | Medical Manager DML System Script (Emdeon Corporation) |
| .DMN | SAS Stat Studio Metadata (SAS Institute Inc.) |
| .DMO | Game Demo File |
| .DMO | Duke Nukem 3D/Redneck Rampage Recorded Games |
| .DMO | The Land Of UM Demo File |
| .DMO | Derive Demo |
| .DMO | S3M Compressed Module |
| .DMO | Twin TrackPlayer |
| .DMOD | DFArc Compressed Add-on for Dink Smallwood Game (The Dink Network) |
| .DMP | PDP-10 Uncompressed Core Dump |
| .DMP | Screen or Memory Dump |
| .DMP | Precision Guesswork LANWatch Capture File |
| .DMP | Windows Error Dump (Microsoft Corporation) |
| .DMP | INMOS Transputer Development System Occam Core Dump |
| .DMP | ORACLE File |
| .DMS | BYOND Script File (BYOND) |
| .DMS | Packrat Database Index |
| .DMS | Amiga DISKMASHER Compressed Archive |
| .DMS | Exigen Workflow Imaging File (Exigen, Inc.) |
| .DMSD | VideoWave DVD Project (Roxio, a division of Sonic Solutions) |
| .DMT | Street Atlas Transfer File (Delorme) |
| .DMT | XMap Transfer File (Delorme) |
| .DMT | Delcam Machining Triangles |
| .DMT | Delphi Menu Template (Borland Software Corporation) |
| .DMU | Digital Mugician Song/Module |
| .DMV | Acrobat Catalog (Adobe Systems Incorporated) |
| .DMV | MPEG-1 File |
| .DMW | Datamass Ag |
| .DMW | DrawMe Vector Image |
| .DMX | ProTrader Database |
| .DMX | Medical Manager DML System Index for Custom .DME Files |
| .DMY | Dummy |
| .DMY | Container File |
| .DMZ | DMesh 3D Model |
| .DM_1 | Call of Duty Demo File (Activision, Inc.) |
| .DM_2 | Call of Duty Demo File (Activision, Inc.) |
| .DM_3 | Call of Duty Demo File (Activision, Inc.) |
| .DM_4 | Call of Duty Demo File (Activision, Inc.) |
| .DM_48 | Quake 3 Arena Demo File |
| .DM_57 | Return to Castle Wolfenstein Demo File (Id Software, Inc.) |
| .DM_59 | Return to Castle Wolfenstein Demo File (Id Software, Inc.) |
| .DM_66 | Quake 3 Arena Demo File |
| .DM_67 | Quake 3 Arena Demo File (ID Software) |
| .DN2 | Windows Dancer (Microsoft Corporation) |
| .DN8 | Blue Martini UTF-8 Encoded DNA File |
| .DNA | NewMoon Distributed Network Application Information |
| .DNA | Desktop DNA Data Storage File |
| .DNA | Gene Pool Swimmer Data (JJ Ventrella) |
| .DNA | Virtual Woman Digital DNA (CyberPunk Software) |
| .DNA | Blue Martini DNA File |
| .DNA | BioPerl DNA Sequence (BioPerl Project) |
| .DNA | DNA Probe Data File (SupportSoft, Inc.) |
| .DNA.XML | Blue Martini XDNA File |
| .DNASYM | Desktop DNA Compiled Application Script |
| .DNAX | Desktop DNA Exclusion List |
| .DNC | Compressed Dictionary File |
| .DNC | Machine Tool Communications |
| .DNC | DANCE Pattern Data (Markus Bader) |
| .DNC | Windows Dancer Database (Microsoft Corporation) |
| .DND | ClustaW Tree File |
| .DNE | Netica Bayes Net File (Norsys Software Corp.) |
| .DNE | Darn Ver. 5+ Windows Events List |
| .DNG | Digital Negative Format (Adobe Systems Incorporated) |
| .DNG | Dungeon File |
| .DNI | realMyst 3D Archive |
| .DNK | Killad File |
| .DNL | DeskTop Author eBook - eCatalog - eCard - eBrochure (DNAML) |
| .DNL | netMod Modem Firmware Upgrade File |
| .DNP | Eudemons On-line Game Data (TQ Digital Entertainment) |
| .DNP | NeatImage Ver. 2.2 Free Ed. Profile File (ABSoft) |
| .DNP | DRM File |
| .DNS | DynSite Plug-in File |
| .DO | ModelSim Script File (Mentor Graphics Corp.) |
| .DO | MicroSim PCBoard File With Autorouting Control Information |
| .DO | Stata Batch Analysis File |
| .DO | 4oD Player Playlist (Channel 4) |
| .DO | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DO | DigitalOutrage Hosting Control Panel Info |
| .DO | Oracle Application Server Java EE Servlet/HTML File (Oracle Corporation) |
| .DO$ | Modem Bitware Fax Disk2 File |
| .DO0 | Sysinfo Sa51swe File |
| .DO1 | Sysinfo Sa51swe File |
| .DO2 | Sysinfo Sa51swe File |
| .DOB | Visual Basic User Document Form File (Microsoft Corporation) |
| .DOC | FrameMaker/FrameBuilder Document (Adobe Systems Incorporated) |
| .DOC | Interleaf Document Format |
| .DOC | Mastercam Material Files (CNC Software, Inc.) |
| .DOC | Maybe RTF |
| .DOC | Palm Pilot DOC File Format |
| .DOC | Word Document (Microsoft Corporation) |
| .DOC | BIFF File (Microsoft Corporation) |
| .DOC | Perfect Office Document (Perfect Office) |
| .DOC | Word DOT File (Microsoft Corporation) |
| .DOC | DisplayWrite 4 File |
| .DOC | DeskMate Document |
| .DOC | Document or Documentation |
| .DOC1 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DOC2 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DOC3 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DOC4 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DOC5 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DOC6 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DOC7 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DOC8 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DOCENX | egis Encrypted Word DOC File (HiTRUST Inc.) |
| .DOCGS | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DOCHTML | Word HTML Document (Microsoft Corporation) |
| .DOCKLET | ObjectDock Docklet (Stardock Corporation) |
| .DOCKPACK | ObjectDock Theme Pak (Stardock Corporation) |
| .DOCKTHEME | ObjectDock Theme (Stardock Corporation) |
| .DOCKZIP | ObjectDock Background (Stardock Corporation) |
| .DOCM | Word Microsoft Office Open XML Format Document with Macros Enabled (Microsoft Corporation) |
| .DOCMENX | egis Encrypted DOCM (Word 2007) File (HiTRUST Inc.) |
| .DOCMHTML | Word HTML Document (Microsoft Corporation) |
| .DOCS | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DOCTOR | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DOCU | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DOCUMENTATION | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DOCX | Word Microsoft Office Open XML Format Document (Microsoft Corporation) |
| .DOCXENX | egis Encrypted Word Open XML DOCX File (HiTRUST Inc.) |
| .DOCZIP | Stardock Archive Format (Stardock Corporation) |
| .DOE | Arena Model File (Rockwell Automation, Inc.) |
| .DOF | DOSBox Movie Capture Format (DOSBox Team) |
| .DOF | Racer 3D Geometry File (Ruud van Gaal, Dolphinity) |
| .DOF | WinTidy File |
| .DOF | Delphi Option File (Borland Software Corporation) |
| .DOG | PAFEC Phase 2 CAD File (SER Systems Ltd.) |
| .DOG | Dogz Dog Description File (Ubisoft Entertainment) |
| .DOG | Laughing Dog Screen Saver |
| .DOH | Geoworks Dependency Information File |
| .DOI | Actuate Query Output (Actuate Corporation) |
| .DOK | German or Dutch Text |
| .DOK | Dokument, often ASCII Text |
| .DOL | GameCube Executable File (Nintendo) |
| .DOL | D-PAS Portfolio Manager Flexible Benchmarking Analysis File |
| .DOL | Wii Executable File (Nintendo) |
| .DON | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DON | Textur Editor File |
| .DOO | Atari Doodle (Atari) |
| .DOO | Vibrants Music |
| .DOP | Digital Orchestrator File |
| .DOQ | Digital Orthophoto Quadrangle |
| .DOQQ | Digital Orthophoto Quarter Quadrangle |
| .DORE | Dore Raster File Format [Steve Hollasch] |
| .DOS | 1st Reader External Command File |
| .DOS | DOS 7 System Files. Win 95 Boot up in DOS. |
| .DOS | Network Driver File |
| .DOS | NDIS Network Card Driver |
| .DOS | Text File/DOS Specification Info |
| .DOS | General Network Driver File |
| .DOS | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DOSERRS | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DOT | Corel Lines-Definition |
| .DOT | Word Document Template (Microsoft Corporation) |
| .DOT | Graphviz DOT Language File (AT&T Research) |
| .DOT | StyleWriter Template File (Editor Software) |
| .DOT | Bert's Dinosaurs File |
| .DOT | Ribbons Molecular Dot Surface |
| .DOTHTML | Word HTML Document Template (Microsoft Corporation) |
| .DOTM | Word Microsoft Office Open XML Format Template with Macros Enabled (Microsoft Corporation) |
| .DOTMENX | egis Encrypted DOTM (Word 2007) File (HiTRUST Inc.) |
| .DOTX | Word Microsoft Office Open XML Format Template (Microsoft Corporation) |
| .DOTXENX | egis Encrypted DOTX (Word 2007) File (HiTRUST Inc.) |
| .DOUBLEWIDE | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DOV | Temporary File |
| .DOV | Actuate Query Definition (Actuate Corporation) |
| .DOVOICE | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DOW | TAPCIS Download Command List |
| .DOWN | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DOWNLOAD | Mozilla Partial Download File (Mozilla) |
| .DOWNLOAD | Chrome Partial Download File (Google) |
| .DOWNLOADHOST | MSN Explorer Download View (Microsoft Corporation) |
| .DOX | MultiMate Document |
| .DOX | Word Text Document (Microsoft Corporation) |
| .DOX | Text File |
| .DOX | Actuate Basic Information Object (Actuate Corporation) |
| .DOX | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DOX | Visual Basic User Document Binary Form File (Microsoft Corporation) |
| .DOX1 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DOX2 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DOX3 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DOZ | VENDINFO Description Out of Zip File |
| .DP | Daily Planner Calendar File |
| .DP | Portable Document; Common Ground Digital Paper |
| .DP | Text |
| .DP | THOR Database Primary Data |
| .DP | Common Group |
| .DP | DataPhile Data File |
| .DP$ | Ntgraph Visual C Wizzard File |
| .DP4 | Analytics Cube Profile (Actuate Corporation) |
| .DPA | Archive |
| .DPA | Serif DrawPlus Animation |
| .DPB | Fax Master File |
| .DPB | ProWORX Nxt Descriptor Pointer File (Schneider Electric) |
| .DPB | Dataplore Signals |
| .DPB | DataPilot Database (Susteen, Inc.) |
| .DPC | Delphi Package Collection File (Borland Software Corporation) |
| .DPC | OrCAD Design Rule Check Output (Cadence Design Systems, Inc.) |
| .DPC | DiscPlay Collection File |
| .DPC | Uefa Champions League Data |
| .DPD | OmniServer File |
| .DPD | Ovation Pro Document (David Pilling) |
| .DPD | ABC Programming Language Dyadic Predicate |
| .DPD | Document Processor DESIGNER Project File (Upload@24 IT Consulting GmbH) |
| .DPD | Dish Network DVD Recorder File (EchoStar Satellite L.L.C.) |
| .DPD | Dekart Private Disk Encrypted Disk Image (Dekart) |
| .DPF | Dictaphone Walkabout Express |
| .DPF | Speedy Printed Circuit Board Design Software (Mania Technologie) |
| .DPF | ProWORX Nxt Descriptor Pointer (Schneider Electric) |
| .DPF | Document Processor FLOW Project File (Upload@24 IT Consulting GmbH) |
| .DPF | DanProgrammer Script (DanSoft Australia) |
| .DPF | F-Secure Default Policy File (F-Secure) |
| .DPF | Dynamic Process Format Database (Barco) |
| .DPF | DeltaDOS Delta Patch File |
| .DPF | COMPRESS Vessel Drafting Program File |
| .DPF | Dataplore Figure |
| .DPG | DPGraph Mathematical Graph |
| .DPG | nDs-mPeG Video |
| .DPG | Deleted program group; Windows Applications Manager |
| .DPGRAPH | DPGraph Mathematical Graph |
| .DPI | Pointline Bitmap |
| .DPJ | Delphi Project (Borland Software Corporation) |
| .DPJ | DeskProto CAM Project File |
| .DPK | Lemon Interactive Starmageddon File |
| .DPK | Delphi Package File (Borland Software Corporation) |
| .DPK | Deleted Package, Windows Applications Manager |
| .DPL | Digital Photo Librarian Database Library (O'Neil Software Inc.) |
| .DPL | Dasher Playlist File (ChristmasCave) |
| .DPL | Delphi Package Library (Borland Software Corporation) |
| .DPLM | DPLM - Digital Path Lines Memorizer Line Coordinates File (DELPHI 4U) |
| .DPM | DataPilot RingTone (Susteen, Inc.) |
| .DPM | Darkplaces Engine Game Movie Information (LordHavoc) |
| .DPMI | DOS Protected-Mode Interface Programming |
| .DPN | Depiction Saved Depiction (Depiction, Inc.) |
| .DPO | Delphi Object Repository (Borland Software Corporation) |
| .DPO | DECAdry Express Business Cards Business Card File (DECAdry) |
| .DPP | Document Processor CORE Project File (Upload@24 IT Consulting GmbH) |
| .DPP | Serif DrawPlus Drawing |
| .DPQ | PCX format |
| .DPR | C++ Default Project (Borland Software Corporation) |
| .DPR | Desk Project |
| .DPR | Dance Paranoia |
| .DPR | Wintidy File |
| .DPS | dpsVelocity Split Video File (Leitch Technology Corporation) |
| .DPS | DPS Reality Video Editing File |
| .DPS | DivX XP Skin (DivXNetworks, Inc.) |
| .DPT | Deluxe Portal 2.0.1 Template Set (Nomative Systems (Andrew Harper)) |
| .DPT | Better File Rename Droplet (Frank Reiff - PublicSpace.net) |
| .DPT | Publish-It! Publication File |
| .DPT | Desktop DNA Template |
| .DPV | PrintView Raw Text (DATAIR Employee Benefit Systems, Inc.) |
| .DPX | Kodak Cineon Raster Bitmap (Kodak) |
| .DPX | Animation |
| .DPX | Digital Moving Picture Exchange Bitmap |
| .DPY | Realpolitik Saved Game |
| .DPY | PROGNOSIS Display Document File |
| .DP~ | BC31 Bin File |
| .DQA | Daqarta Extended WAV Data (Interstellar Research) |
| .DQA | itaz doQument File |
| .DQB | D-PAS Portfolio Manager File |
| .DQC | CP/M Disk Information File |
| .DQD | itaz Default doQument Database |
| .DQL | DataEase Database |
| .DQY | Excel ODBC Query File (Microsoft Corporation) |
| .DR | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DR | Open Digital Rights Language (ODRL International Advisory Board) |
| .DR$ | Modem Bitware Fax Disk2 File |
| .DR9 | Directory File |
| .DRA | Dragon Naturally Speaking |
| .DRA | Dr. Abuse Saved File (Barres & Boronat) |
| .DRAFT | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DRAG | EdGCM Data File (The EdGCM Cooperative Project of Columbia University) |
| .DRAGON | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DRAGONSFUNK | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DRAT | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DRAW | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DRAW | Acorn Object-based Vector Graphic |
| .DRAW | 2D Graphic |
| .DRB | DrBeam |
| .DRC | MicroSim PCBoard DRC Errors Report |
| .DRC | OrCAD Schematic Capture Design Rules Check Report File (Cadence Design Systems, Inc.) |
| .DRC | Delphi Compiled Resource File (Borland Software Corporation) |
| .DRC | DriveCrypt Container File |
| .DREAM | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DREAM | DreamScene Dream File (Microsoft Corporation) |
| .DREAMING | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DREAMS2 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DRES | Diagnosis Results |
| .DRF | 3D Studio Scene (Autodesk, Inc.) |
| .DRF | Photoline Drawing Filter |
| .DRF | Hummingbird DOCS Open, PowerDOCS, DM |
| .DRF | DrFrame |
| .DRF | Nicolet DataViewer Distributed NRF Files (Nicolet Instrument Technologies, Inc.) |
| .DRG | Dyno2000 Car Design (Motion Software) |
| .DRG | AllyCAD CAD Design Drawing (Knowledge Base) |
| .DRG | VLBI and Tied Array Drudge Tasking Document |
| .DRG | AviSys Bird Watcher Database (Jerry Blinn) |
| .DRI | Speedy Printed Circuit Board Design Software (Mania Technologie) |
| .DRIFT | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DRINDX | Indexer Index of FIles (DotRational Software) |
| .DRIVE | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DRIVER | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DRIVERS | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DRIVES | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DRJ | Deraj Data File |
| .DRL | DocObject Resource Locator |
| .DRM | Yamaha Drum Kits (Yamaha Corporation of America) |
| .DRM | MRS-802 Drum Kit Data (Zoom Corporation) |
| .DRM | Drumlin Secured PDF Document (Drumlin Security) |
| .DRM | Cubase Drum File (Steinberg) |
| .DRM | Pro/ENGINEER (PTC) |
| .DRM | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DRML | Protected Digital Content (Digital Rights Management Limited) |
| .DRMX | Drumlin Fully Secured PDF Document (Drumlin Security) |
| .DRN | Darn for DOS |
| .DRO | D-Robots Robot |
| .DRPF | DinkeyRemote Parameter File (Microcosm Ltd.) |
| .DRS | WordPerfect Driver Resource (Corel Corporation) |
| .DRS | Text |
| .DRS | DrawPerfect Ver. 1.0 Font |
| .DRS | Age of Empires II Archive (Microsoft Corporation) |
| .DRS | BMP Bitmap |
| .DRT | EPOS Data Recovery Tool Working File (EPOS Ltd.) |
| .DRT | PCB Designer with PSpice Custom Derating File (OrCAD) |
| .DRT | egseing Direct Mode |
| .DRT | CADAM Export Format (Dassault Systemes) |
| .DRT | DataPilot RingTone (Old Style) (Susteen, Inc.) |
| .DRT | Director MX Shockwave Export (Macromedia, Inc.) |
| .DRT | Windows Draw Template (Corel Corporation) |
| .DRT | Dispatch Route File |
| .DRT | DirectRT Styles File (Empirisoft) |
| .DRU | Wfm384s Demo File |
| .DRUG | Masked Extension |
| .DRUM | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DRUMS | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DRV | Traverse PC Desktop Drawing (Traverse PC, Inc.) |
| .DRV | Device Driver |
| .DRV | Program Overlay |
| .DRVR | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DRW | Micrografx Vector Graphic |
| .DRW | Drawing |
| .DRW | Freelance Graphics Version 2 for DOS Drawing/Presentation (IBM) |
| .DRW | Pro/ENGINEER Drawing (PTC) |
| .DRW | CADS Planner Drawing (Kymdata Oy) |
| .DRW | Personal Designer (4Design) CAD Drawing Database (4D Graphics, Inc.) |
| .DRW | MacDraw Drawing |
| .DRWHO | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DRX | Photoshop Tutorial (Adobe Systems Incorporated) |
| .DRY | XAIRON Organizer Diary File |
| .DRY | Net2000 Executable |
| .DRZ | Draz Paint |
| .DR_ | Compressed DRV File of VFW |
| .DS | TWAIN Data Source |
| .DS | PhotoMax Drive |
| .DS | Desktop KornShell (DtKsh) File |
| .DS | SQL Server Data Source (Microsoft Corporation) |
| .DS | HP Officejet T Series All-in-One TWAIN File (Hewlett-Packard Development Company, L.P.) |
| .DS | Dialog Studio |
| .DS | Chemisty Software |
| .DS | DMDScript File (Digital Mars) |
| .DS | Dynamics Solver Problem Definition (Juan M. Aguirregabiria) |
| .DS2RES | Dungeon Siege 2 Data (Microsoft Corporation) |
| .DS4 | Micrografx Designer Ver. 4 Graphic (iGrafx (Corel Corporation)) |
| .DSA | PKCS7 Signature, DSA |
| .DSA | DasyTec DASYLab File |
| .DSASAVE | Dungeon Siege File (Microsoft Corporation) |
| .DSB | DiscSafe Backup (Engelmann Media GmbH) |
| .DSB | DasyTec DASYLab File |
| .DSB | Rayman2 Play |
| .DSB | Embroidery File |
| .DSB | Orchida Embroidery System (Orchida Soft) |
| .DSC | Description File |
| .DSC | DPKG-source |
| .DSC | MIME Tag Type |
| .DSC | PostScript Language Document Structuring Conventions Specification Version 3.0 |
| .DSC | Nikon Disk Identification File (Nikon Inc.) |
| .DSC | Oracle Discard File |
| .DSC | SoftImage Scene File |
| .DSC | Belief Network (Microsoft Corporation) |
| .dsc | Debian Source Control (Source Package) |
| .DSCE | Diagnosis Scenario |
| .DSCMD | Desktop Sidebar Command File (Idea2 s.c.) |
| .DSCRIP | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DSD | DataShaper Database File |
| .DSD | Document Structure Definition File |
| .DSDF | Smart Manager DigitalDreams Secure Data File (DigitalDreams Business Solutions) |
| .DSDICT | DS Dictionary Dictionary File (Moby Disk) |
| .DSDLL | Dungeon Siege Resource Library (Microsoft Corporation) |
| .DSE | WhatsUp Gold Virtual Device (Ipswitch, Inc.) |
| .DSES | Diagnosis Session |
| .DSF | MS Belief Network Document Containing Infix Formula Declarations |
| .DSF | Vicon Kollector 2.0 CCTV Recording |
| .DSF | ProWORX Nxt Data Setup (Schneider Electric) |
| .DSF | Borland C++ or Turbo Pascal Project Desktop Settings File |
| .DSF | Designer Vector Graphic (Corel) |
| .DSF | DriveSurf picture |
| .DSF | Delusion/XTracker Digital Sample |
| .DSF | PC-TRUST Document Signer |
| .DSF | DataCAD Double Precision Symbol File with Layers (DATACAD LLC) |
| .DSG | Doom Saved Game (Id Software, Inc.) |
| .DSH | Dasher Grid File (ChristmasCave) |
| .DSH | Dashboard PDA Wallpaper |
| .DSI | DESI Labeling System Telephone Label File (DESI Telephone Labels, Inc.) |
| .DSI | R-Studio Hard Disk Scan Results File |
| .DSI | Digital Sound Module Tracker Format |
| .DSI | DAZ Studio Layered Image Set (DAZ Productions) |
| .DSK | Simple IDs Database (DSKE Inc.) |
| .DSK | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DSK | Windows XP System Restore Backup (Microsoft Corporation) |
| .DSK | Extended CPCEMU Style Disk Image |
| .DSK | Generic Disk Image |
| .DSK | Standard CPCEMU Style Disk Image |
| .DSK | ZX Spectrum-Emulator |
| .DSK | WinImage Disk Image File |
| .DSK | NetWare Disk Driver (Novell) |
| .DSK | MSX DOS Disk Image |
| .DSK | Notes Design Elements (IBM) |
| .DSK | Desk |
| .DSK | Delphi Project Desktop File (Borland Software Corporation) |
| .DSK | Apple II or Macintosh Game ROM/Disk Image (Apple Inc.) |
| .DSK | SHARP MZ-series Emulator File |
| .DSL | Product Compass Suite Product Launcher (Deadline Software) |
| .DSL | Critical Seeker Picture Packet (QKIZ.COM) |
| .DSL | Lingvo User Feature Dictionary |
| .DSL | DSSSL Style Sheet |
| .DSM | Delphi Symbol Module (Borland Software Corporation) |
| .DSM | Dynamic Studio Music Module |
| .DSM | Digital Sound Module Tracker Format |
| .DSM | Developer Studio Macro (Microsoft Corporation) |
| .DSM | Media Player Classic DSM Streaming Container |
| .DSMAP | Dungeon Siege File (Microsoft Corporation) |
| .DSN | OLE DB Provider for ODBC (Microsoft Corporation) |
| .DSN | OrCAD Schematic Capture Schematic File (Cadence Design Systems, Inc.) |
| .DSN | ISIS Schematic Capture Schematic File (Labcenter Electronics Ltd) |
| .DSN | Object System Designer Design |
| .DSN | SureThing Office Labeler Document Formerly DesignExpress. |
| .DSN | CD Stomper Pro |
| .DSN6 | Ribbons FRODO Map |
| .DSO | Tribes 2 Compiled Script (Sierra) |
| .DSP | Signature Display Parameters |
| .DSP | Dynamic Studio Professional Module |
| .DSP | Developer Studio Project (Microsoft Corporation) |
| .DSP | Dr. Halo Graphic Display Driver |
| .DSP | Norton Viewer DLL File |
| .DSPACKAGE | Desktop Sidebar Skin/Panel (Idea2 s.c.) |
| .DSPARTY | Dungeon Siege File (Microsoft Corporation) |
| .DSPLUGIN | Desktop Sidebar Plug-in (Idea2 s.c.) |
| .DSQ | Corel QUERY File |
| .DSQ | DASYLab Worksheet Sequence |
| .DSQSAVE | Dungeon Siege File (Microsoft Corporation) |
| .DSR | WordPerfect Driver (Corel) |
| .DSR | Visual Basic Active Designer File (Microsoft Corporation) |
| .DSR | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DSR | Micrografx Designer Graphic |
| .DSRES | Dungeon Siege Resource File (Microsoft Corporation) |
| .DSS | Action Replay Saved Game File (Datel Ltd.) |
| .DSS | Digital Speech Standard |
| .DSS | Digital Soup Digital Sound File |
| .DSS | DCC Active Designer File |
| .DSS | HEC-DSS Hydrologic Database (Hydrologic Engineering Center) |
| .DSSAVE | Dungeon Siege Saved Game (Microsoft Corporation) |
| .DSSL | DSSL SGML Style Sheet |
| .DSSLIDESHOW | Desktop Sidebar Slideshow Panel (Idea2 s.c.) |
| .DSST | ConsumerPoint File |
| .DST | Orchida Embroidery System (Orchida Soft) |
| .DST | C++ Desktop Settings (Borland Software Corporation) |
| .DST | AutoCAD Sheet Set File (Autodesk, Inc.) |
| .DST | MicroImages Priroda Lens Correction Photo-grammetric Distortion Values (radius/distortion pairs) Specification (MicroImages, Inc.) |
| .DST | DST Compressed File |
| .DST | CubicPlayer file |
| .DST | WAIN (Scanner Spec) Data Source DLL |
| .DST | Tajima Embroidery Machine Stitch File |
| .DST | ViPNet Products Encryption Key Set (Infotecs) |
| .DST | PC-RDist Distribution File (Pyzzo) |
| .DST | Micrografx Designer Template |
| .DST | Home Embroidery Format |
| .DSTF | Smart Manager DigitalDreams Secure Data Transfer File (DigitalDreams Business Solutions) |
| .DSU | ProWORX Nxt Data Setup (Schneider Electric) |
| .DSV | SQL Server Data Source View (Microsoft Corporation) |
| .DSW | C++ Desktop Settings (Borland Software Corporation) |
| .DSW | Visual Studio Workspace (Microsoft Corporation) |
| .DSX | Visual Basic Active Designer Binary File (Microsoft Corporation) |
| .DSX | Micrografx Designer Graphic |
| .DSY | Besta Video File |
| .DSY | AJC Directory Synchronizer Project File (AJC Software) |
| .DSY | PC Draft Symbol Library |
| .DSY | Daisy Container |
| .DSZ | Win Help Related File |
| .DSZ | Embroidery File |
| .DSZ | DynaMaSZ Data/Parameter File (Mystic Fractal) |
| .DSZ | Orchida Embroidery System (Orchida Soft) |
| .DS_STORE | Macintosh OSX Folder Information (Apple Inc.) |
| .DT | DAT Backup |
| .DT | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DT | Macintosh File Data Fork |
| .DT0 | DTED Level 0 (National Geospatial-Intelligence Agency) |
| .DT1 | DTED Level 1 (National Geospatial-Intelligence Agency) |
| .DT2 | DTED Level 2 (National Geospatial-Intelligence Agency) |
| .DT5 | Brother's Keeper File |
| .DT? | LoseThos Data File (Terry A. Davis) |
| .DTA | Data |
| .DTA | EZ-Forms Data File in Standard EZ-Forms Format (EZ-Forms Company) |
| .DTA | Hidden & Dangerous Archive |
| .DTA | Stata Binary Saved Datasets |
| .DTA | World Bank's STARS Data |
| .DTAUS | Misc |
| .DTAZV | Misc |
| .DTB | Cybermedia Uninstaller |
| .DTB | DesignTools PCB Design and Make |
| .DTB | After Dark |
| .DTC | DYTEC HEADQUARTER |
| .DTC | Windows Applog Journal |
| .DTC | OutStart TrainingEdge.com Digital Trainer Page Management Table (OutStart) |
| .DTC | JetBrains dotTrace CPU Snapshot File (JetBrains) |
| .DTD | SGML Document Definition File |
| .DTD | DesignTools 2D Design (TechSoft UK Limited) |
| .DTD | ArcView UNIX Hyperhelp Supporting File (ESRI) |
| .DTE | Win Applog File |
| .DTEA | Diagnosis Template Archive |
| .DTED | Digital Terrain Elevation Data |
| .DTERMLICENSE | DTerm License File (Decimus Software, Inc.) |
| .DTF | Solid Edge Document (UGS PLM Solutions) |
| .DTF | Exchange Header File (Microsoft Corporation) |
| .DTF | DanTemplate Template File (DanSoft Australia) |
| .DTF | ICEM CAD Data |
| .DTF | Symantec Q&A Relational Database Data File (Symantec Corporation) |
| .DTF | ACDSee Use Database (ACD Systems Ltd.) |
| .DTF | pfs:Q&A Database |
| .DTF | Lotus Domino Server Temporary Files (IBM) |
| .DTG | Desktop Guitar Score (Desktop Music, LLC.) |
| .DTG | Windows Applog File |
| .DTH | Windows Applog File |
| .DTI | Delphi Design Time Information (Borland Software Corporation) |
| .DTI | Windows Applog File |
| .DTJ | Windows Applog File |
| .DTL | Hal/Supernova/Lunar/LunarPlus Screen Readers/Magnifiers |
| .DTL | Pro/ENGINEER (PTC) |
| .DTL | Windows Applog File (Microsoft Corporation) |
| .DTL | Studio 400 TitleDeko File (Pinnacle Systems, Inc.) |
| .DTM | DeFy Adlib Tracker |
| .DTM | Topocad (Chaos Systems AB) |
| .DTM | Surpac Vision Data Repository (Surpac Minex Group) |
| .DTM | DigiTrekker Module |
| .DTM | Softshare Delta Translation Map |
| .DTN | TunnelCAD Import/Export File (IQSoft) |
| .DTO | Team Oracle Data File (Team Oracle) |
| .DTP | Publish-It! Publication |
| .DTP | SecurDesk! Desktop |
| .DTP | Text Document of Timeworks Publisher 3.x |
| .DTP | Timeworks Publisher Text Document |
| .DTP | ProComm Program Patch |
| .DTP | Page Express Desktop Publishing Document |
| .DTP | PageMagic - Publish-It! - Publisher3 Publication |
| .DTP | Pressworks Template File |
| .DTP | The Protector (DreamTeam Tool Works) |
| .DTQ | Database Tools Query |
| .DTR | DiagTransfer Chess Diagram (alain Blaisot) |
| .DTR | DTREG Project File (Phillip H. Sherrod) |
| .DTS | Data Transformation Services (Microsoft Corporation) |
| .DTS | Digital Surround Audio File Format |
| .DTS | iSite Enterprise Medical Image (Koninklijke Philips Electronics N.V.) |
| .DTW | My Better Desktop Wallpaper Layout File (MyBetterDesktop.com) |
| .DTX | E-Book File |
| .DTX | LaTeX Source and Documentation Archive |
| .DTX | DocuTech Print6 Engine File |
| .DTX | LithTech Game Model Texture File (Touchdown Entertainment, Inc.) |
| .DTX | pfs:Q&A Index |
| .DT_ | Macintosh Data File Fork |
| .DT_ | Mac-ette |
| .DUA | Fifa 2001 Data Feart Legal Screeen |
| .DUB | Audio Utility Tuningwrench Tuning Compressed File |
| .DUC | Action Replay Saved Game File (Datel Ltd.) |
| .DUCF | DinkeyChange Update Code File (Microcosm Ltd.) |
| .DUCK | Cyberduck Bookmark (Property List) File (David V. Kocher) |
| .DUCX-BP | Fabasoft DUCX Business Processes (Fabasoft) |
| .DUCX-CU | Fabasoft DUCX Customizations (Fabasoft) |
| .DUCX-OM | Fabasoft DUCX Object Model (Fabasoft) |
| .DUCX-OS | Fabasoft DUCX Organizational Structures (Fabasoft) |
| .DUCX-RS | Fabasoft DUCX Resources (Fabasoft) |
| .DUCX-UC | Fabasoft DUCX Use Cases (Fabasoft) |
| .DUCX-UI | Fabasoft DUCX User Interface (Fabasoft) |
| .DUCX-XP | Fabasoft DUCX Expressions (Fabasoft) |
| .DUD | DirectUpdate Dynamic DNS Service Description (William Levra-Juillet) |
| .DUEL | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DUET | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DUF | Beckman Instrument's Spectrophotometer Data Archive |
| .DUM | Ada ADA Tutor File |
| .DUN | Dial-Up Networking Export File |
| .DUN | Dunce File |
| .DUNGEON | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DUP | Duplicate Backup |
| .DUPLICATEZAP | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DUPX | DuupeCheck Project File (Logix Business Integration) |
| .DUR | DURILCA Compressed Archive |
| .DUS | Readiris Font Dictionary |
| .DUSTCLOUD | Homeworld Dust Cloud Data (Sierra Entertainment, Inc.) |
| .DUT | Dutch Text File |
| .DV | DESQview Script (Symantec Corporation) |
| .DV | Digital Video File |
| .DVA | dpsVelocity Split Audio File (Leitch Technology Corporation) |
| .DVB | DVBLine Document |
| .DVB | AutoCAD VBA Source Code (Autodesk, Inc.) |
| .DVB | Visual Basic for Applications Macro Project (Microsoft Corporation) |
| .DVC | LoseThos File Partition Drive (Terry A. Davis) |
| .DVC | 1-2-3 (IBM) |
| .DVD | Animation |
| .DVD | elby CloneDVD Image (Elaborate Bytes AG) |
| .DVD | DOS Device Driver File |
| .DVD | DVDMaestro Project File (Spruce Technologies) |
| .DVDFABHDDECRYPTER | DVDFab HD Decrypter (Fengtao Software Inc.) |
| .DVDFABPLATINUM | DVDFab Platinum Project (Fengtao Software Inc.) |
| .DVDMOVIE | RipIt Ripped DVD Material (RipItApp) |
| .DVDPROJ | iDVD Project File (Apple Inc.) |
| .DVDREGIONCSSFREE | DVD Region+CSS Free (Fengtao Software Inc.) |
| .DVDRIP | Ripped DVD File |
| .DVDRIP-INFO | dvd::rip Technical Information |
| .DVF | DV Studio Camcorder Graphics File |
| .DVF | Sony Compressed Voice File (Sony Corporation of America) |
| .DVG | GraphicWorks Vector Drawing |
| .DVI | GlossTeX Installation Instructions |
| .DVI | TeX Device Independent Document |
| .DVI | Action Media II Digital Video Interactive Movie |
| .DVM | DVM Movie File Format |
| .DVO | DESQview (Symantec Corporation) |
| .DVP | AutoCAD Device Parameter (Autodesk, Inc.) |
| .DVP | DESQview Program Information (Symantec Corporation) |
| .DVR | Media Center Recorded Television File (Microsoft Corporation) |
| .DVR | DVR-Studio Stream (Haenlein-Software) |
| .DVR | DESQview (Symantec Corporation) |
| .DVR | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DVR | Planet Technology Security Video File (Planet Technology Corporation) |
| .DVR | Device Driver |
| .DVR | Program Overlay |
| .DVR-MS | Media Center Recorded Television File (Microsoft Corporation) |
| .DVSD | DVMaster Pro Video |
| .DVT | DepoView Digital Video Transcript (inData Corporation) |
| .DVU | Documat Adaptive Binary Optimization Format File (MatrixView Pte. Ltd.) |
| .DVU | DVBControl |
| .DVW | Digital Voice Recorder Voice File (Dektron) |
| .DVX | DivX Movie (DivXNetworks, Inc.) |
| .DVZ | Documents To Go Program Data File (DataViz Inc.) |
| .DVZ | Quick Devis Project (Quotalys Ltd) |
| .DW | David Whitaker Format Music File |
| .DW1 | Deathwatch WebCrawler Encrypted Log File (Deathwatch Development Group) |
| .DW2 | Deathwatch WebCrawler Crawl Log (Deathwatch Development Group) |
| .DW2 | DesignCAD Drawing File (IMSI/Design LLC) |
| .DW3 | Deathwatch WebCrawler Temporary Data Storage (Deathwatch Development Group) |
| .DW4 | Visio/DisplayWrite 4 Text |
| .DWA | Project Dogwaffle Animation (TheBest3D.com) |
| .DWARF | DWARF |
| .DWB | Coryphaeus Software Designer Workbench |
| .DWC | Compressed Archive |
| .DWC | NetOp Connection File |
| .DWD | DiamondWare Digitized File (DiamondWare, Ltd.) |
| .DWD | Davka Writer File |
| .DWE | Creator Simulator (Tufts University) |
| .DWE | DataWarehouse Explorer (CNS International) |
| .DWEXPORTER | DameWare Exporter File (DameWare Development LLC.) |
| .DWF | Autodesk Design Web Format (Autodesk, Inc.) |
| .DWG | Pro/ENGINEER Drawing (PTC) |
| .DWG | Drafix Drawing |
| .DWG | Older Generic CADD Drawing Format |
| .DWG | BravoDRAFT, Detailer |
| .DWG | AutoCAD Drawing Database (Autodesk, Inc.) |
| .DWG | 2D Graphic |
| .DWI | Dependency Walker Image (Steve P. Miller) |
| .DWI | Dance With Intensity Song (SimWolf) |
| .DWJ | Dynamic Submission 2000 V6 File |
| .DWK | Locked DWG File |
| .DWK | DADiSP DADiSP Worksheet File (DSP Development Corporation) |
| .DWL | Textur Editor Compressed File |
| .DWL | AutoCAD Drawing Database File Locking Information (Autodesk, Inc.) |
| .DWM | Dwstk File |
| .DWM | Digital Works Circuit Project File (University of Teesside) |
| .DWM | DESQview (Symantec Corporation) |
| .DWN | Experimental File Format |
| .DWN | Cisco Download File |
| .DWN | Firmware Update File |
| .DWP | DeScribe Document File |
| .DWP | Darwin Pond |
| .DWP | Dweep Game Levels |
| .DWP | SharePoint Portal Server Dashboard Web Part File (Microsoft Corporation) |
| .DWR | WordEpress2.0 File |
| .DWR | NetOp Recording File |
| .DWS | NetOp Script File |
| .DWS | Dyadic Workspace File |
| .DWS | Creator Simulator Waveform (Tufts University) |
| .DWS | AutoCAD Standarization (Autodesk, Inc.) |
| .DWS | Dreamweaver Site Definition File (Adobe Systems Incorporated) |
| .DWT | Dreamweaver Template File (Adobe Systems Incorporated) |
| .DWT | Demon's World Game Texture File |
| .DWT | SharePoint Designer (Microsoft Corporation) |
| .DWT | GoLive Web Template (Adobe Systems Incorporated) |
| .DWT | FrontPage Dynamic Web Template (Microsoft Corporation) |
| .DWT | AutoCAD Template/Prototype (Autodesk, Inc.) |
| .DWV | WAV |
| .DWX | CADLock Locked AutoCAD Drawing (CADLock, Inc.) |
| .DWY | Dwyco Video Clip |
| .DWZ | Ulead DVD MovieFactory Project (Corel Corporation) |
| .DWZ | Designer Projects Template File |
| .DWZ | Compressed AutoCAD Drawing File |
| .DX | Document Imaging File |
| .DX | JCAMP Chemical Spectroscopic Data Exchange Format (MDL Information Systems, Inc.) |
| .DX | Auto-trol Raster Bitmap |
| .DX | Data Explorer Document |
| .DX | Digital Electric Corporation (DEC) Data Exchange File |
| .DX | 2D CAD, DXF Manager (Dxwin. CAD 2D - Gestor DXF) CAD Data File (Procedimientos-Uno, SL) |
| .DX | Deus Ex Map File (Eidos Interactive Ltd.) |
| .DX | J-CAMP Spectroscopic Data Exchange Format |
| .DX | THOR Database Cross-reference Data |
| .DX | MultiMate Word Processor Document |
| .DXB | Drawing Interchange Binary |
| .DXB | Duxbury Braille Translator Braille File (Duxbury Systems, Inc.) |
| .DXB | AutoCAD Drawing Exchange Format (Autodesk, Inc.) |
| .DXB | Database |
| .DXD | Diogenes Extended Document (Dimensione CAD) |
| .DXE | Amiga Emulator |
| .DXF | XMap Exported Draw File (Delorme) |
| .DXF | AutoCAD Drawing Interchange Format (Autodesk, Inc.) |
| .DXF | 3D Graphic |
| .DXF | 2D Graphic |
| .DXF | Image PSP, Fh7 |
| .DXF | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DXF | Micrografx Picture Publisher Special Effect |
| .DXG | QuickTac Duxbury Graphic File (Duxbury Systems, Inc.) |
| .DXG | Duxbury Braille Translator File (Duxbury Systems, Inc.) |
| .DXI | PayWindow Payroll Database (ZPAY Payroll Systems, Inc.) |
| .DXL | DOORS Extension Language |
| .DXL | Dapyx MP3 Explorer |
| .DXL | Domino XML File (IBM) |
| .DXL | Duxbury Braille Translator Label (Braille) (Duxbury Systems, Inc.) |
| .DXM | Music File |
| .DXMAX | Oozic File |
| .DXML | V++ Digital Image or Spectrum File (Digital optics Ltd.) |
| .DXN | Fujitsu dexNet Fax Document |
| .DXP | Duxbury Braille Translator Duxbury Print File (Duxbury Systems, Inc.) |
| .DXP | Piles'O'Tiles Tile Image File (F1 Software) |
| .DXP | Dynamic XML Page (Neolectric) |
| .DXP | CDBurnerXP Data Compilation (Stefan and Fredrik Haglund, Florian Schmitz) |
| .DXPACK | DesktopX Object Package (Stardock Corporation, Inc.) |
| .DXPACKPRO | DesktopX Pro Document Package (Stardock Corporation, Inc.) |
| .DXR | Acrobat (Adobe Systems Incorporated) |
| .DXR | Green Building Advisor File |
| .DXR | Dependable Strengths Administrator Resources |
| .DXR | Macromedia Director Protected Movie File (Macromedia) |
| .DXR | Vegas Jackpot Gold Game File |
| .DXR | AEC DesignWare Model Parameter File |
| .DXS | Deus Ex Saved Game |
| .DXSTUDIO | DX Studio Document (Worldweaver Ltd.) |
| .DXTHEME | DesktopX Theme (Stardock Corporation, Inc.) |
| .DXTHEMEPRO | DesktopX Pro Theme (Stardock Corporation, Inc.) |
| .DXU | DivX File (DivXNetworks, Inc.) |
| .DXV | DocXchanger Vector File (Condrey Corporation) |
| .DXX | AutoCAD Drawing Interchange Attribute File (Autodesk, Inc.) |
| .DY22 | Dyaxis Sound Format |
| .DY44 | Dyaxis Sound Format |
| .DYA | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DYAINSTS | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DYC | Xerox Printer Configuration (Xerox Corporation) |
| .DYC | ICUII Videochat File |
| .DYL | EPOC16 Dynamic Link Library |
| .DYLAN | Dylan Source File |
| .DYLIB | Xcode Dynamic Library (Apple Inc.) |
| .DYN | Dyno2000 Engine Simulation (Motion Software) |
| .DYN | 1-2-3 (IBM) |
| .DYNAMO | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .DYS | SwordSearcher Daily Devotional Data File (StudyLamp Software) |
| .DZ | Firefly Data/Parameter File (Mystic Fractal) |
| .DZ | Dzip Compressed File |
| .DZC | Photosynth Deep Zoom Collection (Microsoft Corporation) |
| .DZI | Photosynth Deep Zoom Image (Microsoft Corporation) |
| .DZP | MemoryLifter Packed Learning Module Files (LearnLift) |
| .DZS | Download Accelerator Skin (SpeedBit Ltd.) |
| .DZS | Character File |
| .D_ | Seqmax Seqprest Compressed Audio File |
| .D_1 | Polytext Ma'archot Meida Co. S"TaM |
| .D_3 | Polytext Ma'archot Meida Co. S"TaM |
| .D_T | Eru/erd File |
| .D~L | Creative DLL Copy |
| .D~V | Windows 3.x System File |