| File extension Name |
extension description |
| .P | MATLAB Binary-runtime P-file (The MathWorks, Inc.) |
| .P | Progress Database Procedure File (Progress Software Corporation) |
| .P | PASCAL Program File |
| .P | ReaGeniX Code Generator Application Parameter File |
| .P | Cliq Accessories Datebook Permissions |
| .P | Applause Picture |
| .P | ZX81 Image File |
| .P | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .P00 | C64 Emulator Program File |
| .P01 | Toast CD Image |
| .P01 | MicroStation Modification Resource (Bentley Systems, Incorporated) |
| .P01 | Parity Volume Set |
| .P02 | Parity Volume Set |
| .P03 | Parity Volume Set |
| .P04 | Parity Volume Set |
| .P05 | Parity Volume Set |
| .P06 | Parity Volume Set |
| .P07 | Parity Volume Set |
| .P08 | TaxCalc Tax File (Acorah Software Products Ltd.) |
| .P08 | Parity Volume Set |
| .P09 | Parity Volume Set |
| .P1 | MicroImages Print Driver File (MicroImages, Inc.) |
| .P10 | PKCS #7 Certificate |
| .P10 | Certificate Request |
| .P10 | Tektronix Plot 10 Drawing |
| .P12 | Personal Information Exchange File |
| .P16 | ProTracker Studio Music |
| .P16 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .P1C | IBM Voice Type Language Newuser File |
| .P1I | IBM Voice Type Language Newuser File |
| .P2000 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .P22 | Patch22 Patch File |
| .P2A | IBM Voice Type Language Vocabels File |
| .P2B | PeerGuardian 2 IP Blocking List (Phoenix Labs) |
| .P2C | IBM Voice Type Language Newuser File |
| .P2C | pic2clik Photo Album |
| .P2D | PointLineCAD 2D Drawing - 2D Document (Point Line, Inc.) |
| .P2G | Power 2Go Project (CyberLink Corp.) |
| .P2I | IBM Voice Type Language Newuser File |
| .P2KC | Mobile Phone Batch Instruction File |
| .P2L | PointLineCAD 2D Drawing Layer (Point Line, Inc.) |
| .P2M | GameShark Hexidecimal Code Storage (Mad Catz, Inc.) |
| .P2M | Peer2Mail Archive Part and Definition (SoftBulldog) |
| .P2P | PeerGuardian IP Blocking List (Phoenix Labs) |
| .P2P | Picture to Part Data File (GraphiTech Ltd.) |
| .P2V | plan2viz Backup Design Plan (BERLIN IN 3D) |
| .P3 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .P3 | Primavera Project Planner Project File (Primavera Systems, Inc.) |
| .P34 | P34 Lotto File |
| .P38 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .P3C | IBM Voice Type Language New User File |
| .P3C | Primavera Project Planner Compressed Backup (Primavera Systems, Inc.) |
| .P3D | Operation Flashpoint Game Model (Bohemia Interactive and The Codemasters Software Company Limited) |
| .P3D | PointLineCAD 3D Drawing - 3D Document Manager File (Point Line, Inc.) |
| .P3D | 3D Graphic |
| .P3E | PC-Doctor File |
| .P3I | PC-Doctor File |
| .P3L | PointLineCAD 3D Drawing Layer (Point Line, Inc.) |
| .P3P | Platform for Privacy Preferences |
| .P3T | Playstation 3 Theme File (Sony Corporation of America) |
| .P40 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .P40 | The Player 4.0a Module |
| .P40 | The Player 4.0b Module |
| .P41 | The Player 4.1a Module |
| .P4200 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .P50 | The Player 5.0a Module |
| .P56 | Patch |
| .P5W | Ressource |
| .P60 | The Player 6.0a Module |
| .P61 | The Player 6.1a Module |
| .P64 | Picasso 64 |
| .P64 | H.261 Encoded Video File |
| .P65 | PageMaker Version 6.5 File (Adobe Systems Incorporated) |
| .P7 | XV Visual Schnauzer Thumbnail Format |
| .P7B | PKCS #7 Certificate |
| .P7C | PKCS #7 Certificate |
| .P7M | PKCS #7 MIME Message |
| .P7R | PKCS #7 Certificate |
| .P7S | PKCS #7 Signature |
| .P8 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PA | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PA | Print Artist Project (Nova Development Corporation) |
| .PA1 | PageAhead Worktable |
| .PA2 | STABCAL (stability calculation for aqueous systems) File |
| .PA3 | STABCAL (stability calculation for aqueous systems) File |
| .PA3 | Turbo Pascal DOS File (Borland Software Corporation) |
| .PA4 | Turbo Pascal DOS File (Borland Software Corporation) |
| .PA5 | Turbo Pascal DOS File (Borland Software Corporation) |
| .PA5 | STABCAL (stability calculation for aqueous systems) File |
| .PAA | Personal Ancestral File (Corporation of the President of The Church of Jesus Christ of Latter-day Saints) |
| .PAB | Personal Address Book (Microsoft Corporation) |
| .PAC | LPAC Lossless Compressed Audio (Tilman Liebchen) |
| .PAC | Desperados: Wanted D|A Archive |
| .PAC | Photo-CD Multi-resolution Image File |
| .PAC | Sound Blaster Studio II Package |
| .PAC | STAD Graphic |
| .PAC | Win2020 / Polistream Video Subtitle Data (Screen Subtitling Systems Ltd.) |
| .PAC | Windows Applications Manager Added or Changed Package |
| .PAC | Pacman File |
| .PAC | CrossePAC Compressed Archive (Digital Strategies, Inc.) |
| .PAC | SBStudio Song + Sound Package |
| .PACK | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PACKAGE | Autopackage Software Installation Package (Autopackage) |
| .PACKAGE | Electronic Arts DBPF Resource Package (Electronic Arts, Inc.) |
| .PAD | Top Secret Crypto Gold True One Time Pad File (TAN$TAAFL Software Company) |
| .PAD | MicroSim PCBoard PADS-compatible Netlist File |
| .PAD | Scanner Output |
| .PAD | Visual Expert Source Code Documentation |
| .PAD | Digital Paper Description |
| .PAD | Telemate Keypad Definition |
| .PAE | Projet Personal AVI Editor |
| .PAE | PowerArchiver Encrypted Archive (ConeXware, Inc.) |
| .PAF | Ensoniq PARIS Audio Format (E-MU Systems) |
| .PAF | Personal Ancestral File Family Database (Corporation of the President of The Church of Jesus Christ of Latter-day Saints) |
| .PAF | PortableApps Portable Application Install Package (Rare Ideas, LLC) |
| .PAG | ActivePerl Pro Studio Hash Database (ActiveState, a division of Sophos) |
| .PAG | RealTick Page (Townsend Analytics, Ltd.) |
| .PAG | Psion Organiser Pager File (Psion PLC) |
| .PAG | Lmsoft-Hypermedia Page |
| .PAG | Visual Basic Property Page File (Microsoft Corporation) |
| .pag | UNIX DBM Database Data |
| .PAGE | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PAGE1 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PAGE10 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PAGE11 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PAGE12 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PAGE2 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PAGE3 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PAGE4 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PAGE5 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PAGE6 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PAGE7 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PAGE8 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PAGE9 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PAGES | Pages Document (Apple Inc.) |
| .PAI | PocketAI AI Decision Tree Data File (3D Net Productions) |
| .PAI2 | PocketAI AI Decision Tree Data File (3D Net Productions) |
| .PAI3 | PocketAI AI Decision Tree Data File (3D Net Productions) |
| .PAINT | MacPaint Bitmap Graphic |
| .PAJ | Pajek Project File |
| .PAK | Dune 2 Archive |
| .PAK | Compressed Archive File |
| .PAK | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PAK | Final Fantasy VIII (Square Enix Co., Ltd) |
| .PAK | Half Life Archive |
| .PAK | Crazy Talk SFX File (Reallusion Inc.) |
| .PAK | Quake 2 Archive |
| .PAK | Quake Archive |
| .PAK | Trickstyle Archive |
| .PAK | Daikatana |
| .PAK | Hexen 2 Archive |
| .PAK | Quake Archive (ID Software) |
| .PAK | Heretic 2 Archive |
| .PAK | Hand of Fate Archive |
| .PAK | Lands of Lore Archive |
| .PAK | Infonie File |
| .PAL | ZX Spectrum-Emulator |
| .PAL | Color Palette (Microsoft Corporation) |
| .PAL | JASC Format Palette File |
| .PAL | Rise of Nations Campaign Media File (Microsoft Corporation) |
| .PAL | Command & Conquer File (Westwood Studios) |
| .PAL | Compressed File |
| .PAL | Harvard Graphics Palette (Harvard Graphics) |
| .PAL | Lotus Freelance |
| .PAL | PageMaker Library Palette (Adobe Systems Incorporated) |
| .PAL | Personal Ancestral File |
| .PAL | Protos Process Model (Pallas Athena) |
| .PAL | Tree Professional Palm Creator File |
| .PAL | Dr. Halo Palette |
| .PAL | PDP-10 Program Assembly Language (PDP-8 Code Cross-Compiled on a PDP-10) Compiler Source |
| .PAL | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PAL1 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PAL2 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PALM | Programming |
| .PALM | Palm Pixmap |
| .PAM | Tonline Ob4hbci Smartupdate File |
| .PAM | Personal Ancestral File (Corporation of the President of The Church of Jesus Christ of Latter-day Saints) |
| .PAM | PAM Property Appraisal Manager Project (PAM Software (UK) Ltd) |
| .PAMPRT | PAM Property Appraisal Manager Project Template (PAM Software (UK) Ltd) |
| .PAN | Panorama Database (ProVUE Development) |
| .PAN | SmoothMove Pan Viewer |
| .PAN | Infinite Pictures, Inc. iMove Viewer |
| .PAN | CorelDraw Printer-specific File |
| .PAN | Chromeleon Control Panel |
| .PAN | The Panorama Factory Project (Smoky City Design, LLC) |
| .PANDO | Pando Package (Pando Networks) |
| .PANEL | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PANI | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PANIC | UNIX Crash Report |
| .PANO | Quicktime VR Panorama File (Apple Inc.) |
| .PAP | Corel Painter Pattern, Selection or Texture File |
| .PAP | Tree Professional Palm Creator Image File |
| .PAQ | HP System Recovery File (Hewlett-Packard Development Company, L.P.) |
| .PAQ | Quantum Archive |
| .PAQ6 | PAQ Data Compression Program Archive |
| .PAQ7 | PAQ Data Compression Program Archive |
| .PAQ8 | PAQ Data Compression Program Archive |
| .PAQ8HP12ANY | PAQ PAQ8HP12ANY Compressed Archive |
| .PAQ8JC | PAQ PAQ8JC Compressed Archive |
| .PAQ8L | PAQ PAQ8L Compressed Archive |
| .PAQ8O | PAQ PAQ8O Compressed Archive |
| .PAQ8O8 | paq8o8 Compressed Archive |
| .PAQ8P | PAQ PAQ8P Compressed Archive |
| .PAQ9A | PAQ PAQ9A Compressed Archive |
| .PAR | Parity Volume Sets (.P01,...) |
| .PAR | Model Parameter File |
| .PAR | SAP Enterprise Portal Component |
| .PAR | Solid Edge 3D CAD Model (UGS PLM Solutions) |
| .PAR | Windows 3.x Permanent Output (Swap) File |
| .PAR | FMS Flight Characteristics File (Roman & Michael Möller) |
| .PAR | AeroFly Model Parameters (IPACS GbR) |
| .PAR | Mirror Archive Restoration File |
| .PAR | ImageZoom Parameter File (Scalado) |
| .PAR | Fractint Parameter File |
| .PAR | Pov-ray for Windows Parameter File (Persistence of Vision Raytracer Pty Ltd.) |
| .PAR | SmartPar |
| .PAR | Digitalk Parts Application |
| .PAR2 | Parity Archive Volume Set |
| .PARACOUNT | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PARAM | Kosima Scripts File |
| .PARAMS | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PARMS | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PARMS3 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PARSER | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PART | Partial Download |
| .PART | Partial Go!Zilla Download |
| .PART | eMule Plus Partial Download (eMule Team) |
| .PART | eDonkey Partial Download (MetaMachine) |
| .PART1 | Netobjects Fusion Netobjects System File |
| .PART1 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PART1OF2 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PART2 | Netobjects Fusion Netobjects System File |
| .PART2OF2 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PARTIAL | Partial Download |
| .PARTIMG | Partimage Disk Image |
| .PARTY | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PAS | Delphi Source (Borland Software Corporation) |
| .PAS | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PAS | PDP-10 PASCAL Compiler Source |
| .PAS | C++ Builder 6 Source (Borland Software Corporation) |
| .PAS | Pascal Source Code |
| .PASCAL | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PASM | Parrot Source Code (The Perl Foundation) |
| .PASS | Quiz Editor Password Protected File (Minimouse) |
| .PASS | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PASSAGE | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PASSERS | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PAT | DART Pro 98 Pattern |
| .PAT | PDP-10 Commands for DDT Debugger or FILDDT File Patcher |
| .PAT | Hatch Patterns Photostyler |
| .PAT | Palace Server Rooms Configuration File (Communities.com) |
| .PAT | Paint Shop Pro Pattern (Corel Corporation) |
| .PAT | Orchida Embroidery System (Orchida Soft) |
| .PAT | Train Simulator Track Path (Microsoft Corporation) |
| .PAT | Patch File |
| .PAT | Polygon Attribute Table |
| .PAT | MultiMate 3.3 |
| .PAT | ArcView Geocoding Pattern Recognition File (ESRI) |
| .PAT | Smash Simulator Test Pattern |
| .PAT | WarHack Warcraft2 exePatch Utility |
| .PAT | Vector Pattern |
| .PAT | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PAT | PCStitch Pattern (M&R Technologies, Inc.) |
| .PAT | AutoCAD Hatch Pattern (Autodesk, Inc.) |
| .PAT | File Investigator Pattern File (RobWare) |
| .PAT | PatternMaker Custom Pattern (PatternMaker Software) |
| .PAT | Pattern Maker Cross-Stitch Pattern File (HobbyWare, Inc.) |
| .PAT | Stuttgart Neural Network Simulator Pattern Definition |
| .PAT | Sound |
| .PAT | Kega Fusion Game Cheat File (Steve Snake) |
| .PAT | Black and White 2 Paths Data (Lionhead Studios) |
| .PAT | Arcinfo Coverage |
| .PAT | CADTERNS Sloper File (CADTERNS Custom Clothing Inc.) |
| .PAT | Advanced Gravis Ultrasound Patch File |
| .PAT | Corel Vector Pattern (Corel) |
| .PAT | GIMP Pattern (The GIMP Team) |
| .PAT | Forte Technologies Patch File |
| .PAT | Photoshop Pattern File (Adobe Systems Incorporated) |
| .PAT | PatternSmith Cutting Pattern File (Autometrix) |
| .PAT | US Patent and Trademark Office Bitmap |
| .PAT | Fast-Talk Phonetic Audio Track (Fast-Talk Communications, Inc.) |
| .PATCH | Elonex ONEt+ Patchn File (Elonex) |
| .PATCH | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PATCH | General Patch File |
| .PATCHDOCS | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PATCHER | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PATH | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PATHNAME | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PATHS | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PATTERN | Photoline5 Defaults File |
| .PAU | OzWin CompuServe E-mail/Forum Access Paused Message |
| .PAUSE | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PAV | MediaMatrix Peavey Architectural View (Peavey Electronics) |
| .PAV | Panda Antivirus File |
| .PAV???? | Panda Antivirus File |
| .PAX | Project A.R.S.E Brain File |
| .PAX | Pick Ax Secure Graphic File (Smaller Animals Software, Inc.) |
| .PAX | Personal Ancestral File (Corporation of the President of The Church of Jesus Christ of Latter-day Saints) |
| .PAY | PriorityRate (Priority Data Sytems) |
| .PAYMENTS | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PAYROLL | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PAZ | Project A.R.S.E Brain File |
| .PB | PowerBASIC Configuration (PowerBASIC, Inc.) |
| .PB | WinFax Pro Phone Book (Symantec Corporation) |
| .PB | PuffBOMB Extra Level File (Sykhronics) |
| .PB | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PB | PocketCache Backup File (Kadena Systems, Inc.) |
| .PB | Proboard Configuration |
| .PB | PureBasic Source Code (Fantaisie Software) |
| .PB | PixBase Setup |
| .PB | FAXability Fax |
| .PB1 | First Publisher Document |
| .PB2 | OrindaBuild Configuration (Orinda Software Ltd) |
| .PB2 | STABCAL (stability calculation for aqueous systems) File |
| .PBA | PowerBASIC Source Code (PowerBASIC, Inc.) |
| .PBA | Process Panel Builder (ABB Ltd) |
| .PBB | MS Mail Address Information File |
| .PBC | Parrot Compiled Byte Code File (The Perl Foundation) |
| .PBD | Axialis Image |
| .PBD | Palm Database (Palm, Inc.) |
| .PBD | Graphic Format (Adobe Systems Incorporated) |
| .PBD | PowerBuilder Dynamic Library |
| .PBD | Faxit Phone Book |
| .PBD | Epicentric Portal Server Module Java Bean (Vignette Corporation) |
| .PBD | iSilo Document (DC & Co.) |
| .PBF | PBook E-book Format |
| .PBF | Portable Bitmap Format File |
| .PBF | Grand Prix Legends BMAP (Bitmap) File |
| .PBF | Turtle Beach Pinnacle Bank File |
| .PBF | Paragon Disk Image |
| .PBF | Sprite Backup Mobile Device Image (Sprite Software) |
| .PBH | PowerBASIC Help File (PowerBASIC, Inc.) |
| .PBI | PowerBASIC Include File (PowerBASIC, Inc.) |
| .PBI | Profiler Binary Input (Microsoft Corporation) |
| .PBI | PC-BSD Setup File (PC-BSD Software) |
| .PBI | Axialis Image JPEG JFIF |
| .PBK | ElectraSoft Fax Phone Book |
| .PBK | HP-95LX Phone Book File |
| .PBK | Phonebook (Microsoft Corporation) |
| .PBL | Publitor Data File (Soho Soho Ltd.) |
| .PBL | PowerBASIC Library (PowerBASIC, Inc.) |
| .PBL | PowerBuilder Source Code Library (Sybase) |
| .pbm | UNIX Portable Bitmap Graphic |
| .PBMP | Pilot Bitmap |
| .PBMV | Portable Bitmap File |
| .PBN | Portable Bridge Notation |
| .PBO | Profiler Binary Output |
| .PBO | Operation Flashpoint Game Mission Folder (Bohemia Interactive and The Codemasters Software Company Limited) |
| .PBOB | Vbox Preview (Aladdin Knowledge Systems) |
| .PBP | PowerBASIC Project (PowerBASIC, Inc.) |
| .PBP | PlaybackPro Video Database (DTvideolabs) |
| .PBP | Perl Builder File |
| .PBP | Playstation Firmware Image (Sony Corporation of America) |
| .PBP | Phoenix Visual Designer Project (Prometheus Software) |
| .PBPROJ | Project Builder Project (Apple Inc.) |
| .PBQ | PunkBuster Query Script |
| .PBQ | Audio |
| .PBR | PowerBuilder Resource File |
| .PBR | BI/Suite Hypercube Presentation |
| .PBR | BorderManager 3.5 Support Pack 3 File |
| .PBR | PowerBuilder Resource |
| .PBR | Publisher Autosave/Autorecovery/Backup File (Microsoft Corporation) |
| .PBR | PowerBASIC Resource File (PowerBASIC, Inc.) |
| .PBS | Paint Shop Pro Brush Stroke Preset (Corel Corporation) |
| .PBS | PowerArchiver Backup Script |
| .PBT | Micro Dynamics MARS |
| .PBT | Profiler Binary Table |
| .PBTPL | PowerBASIC Template (PowerBASIC, Inc.) |
| .PBV | Paint Shop Pro Bevel Preset (Corel Corporation) |
| .PBX | Outlook Express Message Folder |
| .PC | PC-specific Text File |
| .PC | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PC | PC Fold Sequence File |
| .PC | Sierra Print Artist Postcard |
| .PC | Personal Composer Musical Notation (Personal Composer Inc.) |
| .PC | Postcard |
| .PC | Oracle Pro*C Source Code (Oracle) |
| .PC1 | Degas & Degas Elite |
| .PC2 | STABCAL (stability calculation for aqueous systems) File |
| .PC2 | Degas & Degas Elite |
| .PC2 | AutoCAD R14 Plotter Configuration (Autodesk, Inc.) |
| .PC2 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PC2 | PrivateChat! |
| .PC3 | STABCAL (stability calculation for aqueous systems) File |
| .PC3 | Harvard Graphics Custom Palette (Harvard Graphics) |
| .PC3 | AutoCAD R2000 Plotter Configuration (Autodesk, Inc.) |
| .PC3 | Degas & Degas Elite |
| .PC5 | Rockwell Software Logix 5 File |
| .PC5 | STABCAL (stability calculation for aqueous systems) File |
| .PC8 | NewWave Write ASCII IBM8 Character Set |
| .PC8 | ASCII Text IBM-8 |
| .PC? | 2D Graphic |
| .PCA | MicroSim PCBoard Layout Database File |
| .PCA | Sonic Foundry Perfect Clarity Audio File (Sony Corporation of America) |
| .PCA | PCAnywhere Registry Backup |
| .PCAP | TCPDUMP Style Capture |
| .PCAP | Ethernet Packet Sniffer File |
| .PCB | Unknown 3.0 Binary File |
| .PCB | CADSTAR Printed Circuit Board Design (Quadra Solutions) |
| .PCB | Unknown 4.0 Binary File |
| .PCB | ACCEL or Protel Printed Circuit Board File |
| .PCB | Broderbund Print Shop Business Card |
| .PCB | Ivex Winboard Design File |
| .PCB | PADS Printed Circuit Board (Mentor Graphics Corp.) |
| .PCB | P-CAD Database (Altium Limited) |
| .PCB | PC-Doctor File |
| .PCB | PowerPoint Application Data File (Microsoft Corporation) |
| .PCB | Print Shop Deluxe Business Card |
| .PCB | Protel Technology Advanced PCB Design |
| .PCB | PCB Layout Check Design Rule Template (Top Tec PCB Ltd.) |
| .PCB | ExpressPCB Printed Circuit Board Layout (ExpressPCB) |
| .PCBDOC | PCB Document |
| .PCC | PCCharge Related Files and Settings (VeriFone) |
| .PCC | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PCC | VideoCraft GIF |
| .PCC | PC Checkup System Information |
| .PCC | PC Paintbrush Cutout Picture Vector Graphic (Zsoft) |
| .PCD | ChemSep Pure Component Database (ChemSep) |
| .PCD | Visual Test (Microsoft Corporation) |
| .PCD | P-Code Compiled Test Scripts |
| .PCD | Images CD Creator Corel Adaptec |
| .PCD | Photo-CD Image (Kodak) |
| .PCD | GX IEC Developer Backup File (Mitsubishi Electric Corporation) |
| .PCDS | Photo-CD Image |
| .PCE | PC Engine |
| .PCE | Print Shop Envelope |
| .PCE | PC-Doctor File |
| .PCE | Mail Signature |
| .PCE | Eudora Mailbox Name Map |
| .PCE | Borland Package Collection Editor File (Borland Software Corporation) |
| .PCE-LIST | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PCF | PowerToy Calculator Saved Functions and Variables (Microsoft Corporation) |
| .PCF | Systems Management Server (SMS) Patron Configuration File (Microsoft Corporation) |
| .PCF | PreComp PreCompressed File |
| .PCF | DD PrintCenter Document (Imagetech Corporation, Ltd.) |
| .pcf | UNIX Font File |
| .PCF | Cisco VPN Client Configuration (Cisco Systems, Inc.) |
| .PCF | Process Charter Data (Scitor Corporation) |
| .PCF | Pro/ENGINEER (PTC) |
| .PCF | Profiler Command File |
| .PCF | Paint Shop Pro Colored Foil Preset (Corel Corporation) |
| .PCF | HP-95LX Printer Configuration File |
| .PCF | Calyx Point |
| .PCG | Photo CD Graphic File |
| .PCG | TRITON Le or Karma Music Workstation Ver. 1.x and 2.x Synthesizer File (KORG) |
| .PCH | Pixeur Color History File (Veign) |
| .PCH | Visual C PreCompiled Header (Microsoft Corporation) |
| .PCH | Patch File |
| .PCH2 | Nord Modular G2 Patch (Clavia DMI AB) |
| .PCI | Windows PCI Miniport file (Microsoft Corporation) |
| .PCI | PC-Doctor File |
| .PCI1 | WinControl DCX-AT3000 Motion Control Command Language File (Precision MicroControl Corp.) |
| .PCI3 | WinControl DCX-AT3000 Motion Control Command Language File (Precision MicroControl Corp.) |
| .PCJ | IBM Linkaway-Live Multimedia Tool Graphics |
| .PCK | Turbo Pascal Pick File (Borland Software Corporation) |
| .PCK | ARIA PIPP Spectrum |
| .PCK | Package |
| .PCK | Commandos II File |
| .PCK | Systems Management Server (SMS) Received Package File (Microsoft Corporation) |
| .PCL | 2D Graphic Page Control Language |
| .PCL | HP Printer Control Language (Hewlett-Packard Development Company, L.P.) |
| .PCLF | PC MightyMax Offline Licensing File (PC MightyMax, Inc.) |
| .PCM | Image Photoline |
| .PCM | LaserJet Printer Cartridge Metric (Hewlett-Packard Development Company, L.P.) |
| .PCM | Opera Binary Voice-related File (Opera Software ASA) |
| .PCM | OKI MSM6376 Synth Chip PCM Format |
| .PCM | Sound File |
| .PCM | Embroidery Design File |
| .PCM | Bliss for Windows (Handicom) |
| .PCN | Paint Shop Pro Contour Preset (Corel Corporation) |
| .PCO | PC-Outline Outline |
| .PCP | PC Paint (DOS) Bitmap Image |
| .PCP | AutoCAD R13 and Prior Plotter Configuration (Autodesk, Inc.) |
| .PCP | RCF EnCoder/DeCoder Encoded File (RCF Group - Reborn Code Freaks) |
| .PCP | Windows Installer Database Editor (Orca) Patch Creation Properties File (Microsoft Corporation) |
| .PCP | Symantec Live Update Pro (Symantec Corporation) |
| .PCR | Creatacard Post Card Project (Broderbund) |
| .PCR | PCMark Benchmark File (Futuremark Corp.) |
| .PCS | Yamaha Piano Combo Style (Yamaha Corporation of America) |
| .PCS | PICS Animation |
| .PCS | KDevelop Persistent Code Store (KDevelop Team) |
| .PCS | Ultra Zip Password Cracker (UZPC) |
| .PCS | Apple Macintosh PICT File Animation (Apple Inc.) |
| .PCS | Painter4 PICT File |
| .PCS | Pfaff Home Embroidery Format (Pfaff) |
| .PCS | PowerPoint ClipArt Gallery Picture Storage (Microsoft Corporation) |
| .PCT | Clipart ClarisWorks |
| .PCT | Bitmap Graphic |
| .PCT | Honeywell GUS Display Builder |
| .PCT | NIST IHDR |
| .PCT | PC Paint Bitmap |
| .PCT | Macintosh Quickdraw/PICT Drawing |
| .PCU | PC MightyMax Undo File (PC MightyMax, Inc.) |
| .PCV | PC Upgrade Commander (V Communications, Inc.) |
| .PCV | Move Me Moving Van (Spearit Software) |
| .PCV | MozBackup Backup (Pavel Cvrcek) |
| .PCW | PC Write Text File |
| .PCX | PC Paintbrush Bitmap Graphic |
| .PD | Paradox Table |
| .PD | Male MRI |
| .PD | PipeDream Document |
| .PD | Perl Data Language PreProcessor File |
| .PD | Pure Data Patchfile (PD Community) |
| .PD1 | DFSee Partition Table and Boot Sector Backup (Fsys Software) |
| .PD2 | DFSee Partition Table and Boot Sector Backup (Fsys Software) |
| .PD3 | Denso BHT-7000 Terminal Executable Program File |
| .PD3 | DFSee Partition Table and Boot Sector Backup (Fsys Software) |
| .PD3 | ICDD X-ray Powder Diffraction Patterns and Digitized Diffractogram |
| .PD3 | PodFlow (Ikon AVS Ltd.) |
| .PD3 | 3ds Max (Autodesk, Inc.) |
| .PD4 | DFSee Partition Table and Boot Sector Backup (Fsys Software) |
| .PD5 | DFSee Partition Table and Boot Sector Backup (Fsys Software) |
| .PDA | Print Shop Bitmap Graphic |
| .PDATA | JSim Pretty Data Format (University of Washington) |
| .PDB | QuickPOS Database File |
| .PDB | Photo Deluxe Image |
| .PDB | PhotoDeluxe Image (Adobe Systems Incorporated) |
| .PDB | Pilot Image Format |
| .PDB | PowerBuilder Dynamic Library |
| .PDB | PowerDesigner Physical Model Backup |
| .PDB | Powerproject Teamplan |
| .PDB | Pegasus DataBase |
| .PDB | Palmpilot Database/Document File (Palm, Inc.) |
| .PDB | MonkeyCard/MonkeyLogo |
| .PDB | Insight II Brookhaven Protein Databand File (Accelrys Software Inc.) |
| .PDB | C64 Emulator File |
| .PDB | Protein Databank File |
| .PDB | PowerBASIC Debugger Symbols (PowerBASIC, Inc.) |
| .PDB | BGBlitz Position Database (Frank Berger) |
| .PDB | MDL Molfile Protein DataBank (MDL Information Systems, Inc.) |
| .PDB | MolMol Molecule Description File |
| .PDB | Ribbons Data |
| .PDB | Tact File |
| .PDB | TealPaint |
| .PDB | Visual C++/.NET Program Database File (Microsoft Corporation) |
| .PDBX | Insight II X-PLOR Coordinate File (Accelrys Software Inc.) |
| .PDBX | Martini Personal Database (SunGard) |
| .PDC | Lizard Safeguard Protected PDF File (LockLizard Ltd) |
| .PDC | PReS Print Control |
| .PDC | PowerDivX NextGen Media Player Chapter File |
| .PDD | PhotoDeluxe Image (Adobe Systems Incorporated) |
| .PDD | Database Designer for PostgreSQL Database Design (MicroOLAP Technologies LTD.) |
| .PDE | Principalm Student Information Extract (Discovery Software Ltd.) |
| .PDES | PIPE-FLO Professional Design File Template (Engineered Software, Inc.) |
| .PDF | Systems Management Server (SMS) Package Description File (Microsoft Corporation) |
| .PDF | ArcView Preferences Definition File (ESRI) |
| .PDF | Ventura Publisher EPS-variation Page (Corel Corporation) |
| .PDF | Acrobat Portable Document Format (Adobe Systems Incorporated) |
| .PDF | Analyser Protocol Definition |
| .PDF | Ed-Scan 24-bit Graphic File |
| .PDF | Netware Printer Definition File |
| .PDF | Package Definition File |
| .PDF | P-CAD Database Interchange Format (Altium Limited) |
| .PDFENX | egis Encrypted PDF File (HiTRUST Inc.) |
| .PDG | Chaoxing Reader Chaoxing Digital Library e-Book (Chaoxing Digital Library) |
| .PDG | Print Designer GOLD Data File (CAM Development) |
| .PDG | PrintShop Deluxe File |
| .PDG | MetaCAM Part File (Metamation, Inc.) |
| .PDI | PReS Document Creation Subroutines |
| .PDI | InstantCopy Disc Image (Pinnacle Systems, Inc.) |
| .PDI | PI ProcessBook Display Definition File (OSIsoft, Inc.) |
| .PDI | IBM VideoTex |
| .PDI | PowerPoint Import/Export (Microsoft Corporation) |
| .PDK | PC Desktop Cleaner Desktop Cleaner Configuration File (TEKBLUES) |
| .PDL | Programmable Driver Language (Quovadx, Inc.) |
| .PDL | Print Shop Project |
| .PDL | SymbianOS Printer Driver |
| .PDL | WITE32 File |
| .PDL | C++ Project Description Language (Borland Software Corporation) |
| .PDM | PowerDivX NextGen Media Player |
| .PDM | Sybase Power Designer File |
| .PDN | Plan de Negocio |
| .PDN | Paint.NET Image (Rick Brewster) |
| .PDO | Pepakura Designer Paper Craft Pattern (Tama Software Ltd.) |
| .PDO | Access Package Deployment Script (Microsoft Corporation) |
| .PDP | Broderbund Print Shop Deluxe File |
| .PDP | Photoshop PDF Format (Adobe Systems Incorporated) |
| .PDQ | BLUEWAVE Sound File |
| .PDQ | Patton & Patton Flowcharting PDQ Lite File |
| .PDQ | PDQ Lite Flowchart |
| .PDR | SymbianOS Printer Resource File |
| .PDR | Port Driver (Microsoft Corporation) |
| .PDS | VICAR: Video Image Communication and Retrieval Graphic |
| .PDS | Source Code File |
| .PDS | Print Shop Graphic |
| .PDS | PALASM Source Code |
| .PDS | NASA Planetary Data System Format Space Mission Data |
| .PDS | IncrediMail (IncrediMail Ltd.) |
| .PDS | Telsis HiCall Program File |
| .PDT | VersaPro Compiled Block |
| .PDT | InkWriter/Note Taker Template (Microsoft Corporation) |
| .PDT | ProCite Primary Database |
| .PDV | Paintbrush Printer Driver |
| .PDW | Professional Draw Graphic (Gold Disk, Inc.) |
| .PDW | HiJaak Vector Graphics |
| .PDX | ProCite Database Keys |
| .PDX | PDXplorer IPC-2570 Product Data Exchange Information (Active Sensing, Inc.) |
| .PDX | PageMaker Printer Description (Adobe Systems Incorporated) |
| .PDX | Acrobat Catalog Index (Adobe Systems Incorporated) |
| .PDX | Mayura Draw |
| .PDX | Paradox Files |
| .PDXA | Europa Universalis III File (Paradox Interactive) |
| .PDXAB | Europa Universalis III File (Paradox Interactive) |
| .PDZ | GZipped Brookhaven Protein Databank File |
| .PD_ | Visc15 Images Setup File |
| .PE | Microsoft Symbol and Type Information |
| .PE | Portable Executable File |
| .PE | PatentEase File |
| .PE3 | PhotoImpact Image Archive (Ulead Systems, Inc.) |
| .PE3 | QuickViewer Image Archive |
| .PE4 | Photo Explorer Thumbnail |
| .PE4 | PhotoImpact Image Archive (Ulead Systems, Inc.) |
| .PEA | PeaZip Compressed Archive |
| .PEA | P-Encryption Suite Archive (CadabraSoftware, Inc.) |
| .PEA | Peach Text File |
| .PEB | WordPerfect Program Editor Bottom Overflow File (Corel Corporation) |
| .PEBPRJ | PEBundle File |
| .PEC | Brother/Babylock/Bernina Home Embroidery Format |
| .PED | WordPerfect Program Editor Delete Save (Corel Corporation) |
| .PEEKER | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PEEKIT | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PEF | Pentax RAW Bitmap Graphic (PENTAX Corporation) |
| .PEG | Red Faction II Game Data |
| .PEH | Power Email Harvester (YesGoal LLC) |
| .PEI | Performer Software Encrypted Image (Performer Software) |
| .PEK | Premiere Graphic Waveform Data (Adobe Systems Incorporated) |
| .PEM | Privacy Enhanced Mail Security Certificate |
| .PEM | Audio Module |
| .PEM | WordPerfect Program Editor Macro (Corel Corporation) |
| .PEN | io Software Digital Pen Ink File (Logitech, Inc.) |
| .PEN | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PEN | Paint Shop Pro Enamel Preset (Corel Corporation) |
| .PEO | Homeworld MESH File (Sierra) |
| .PEP | TurboProject Project File (Office Work Software, LLC) |
| .PEPPER | Pepper Keeper Shared Package File (Pepper Computer, Inc.) |
| .PEPSI | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PEQ | WordPerfect Program Editor Print Queue File (Corel Corporation) |
| .PER | Rise of Nations AI File (Microsoft Corporation) |
| .PER | WordPerfect Program Editor Resident Area (Corel Corporation) |
| .PERCENTAGES | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PERFORMANCE | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .perl | Perl Source File |
| .PES | WordPerfect Program Editor Work Space File (Corel Corporation) |
| .PES | Brother/Babylock/Bernina Home Embroidery Format (Buzz Tools Plus) |
| .PET | Magic Petz File |
| .PET | Macintosh PICT Image |
| .PET | Custom CD Menu |
| .PET | WordPerfect Program Editor Top Overflow File (Corel Corporation) |
| .PETERGUN | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PEW | IAR Embedded Workbench |
| .PEX | PodFlow Pod Export (Ikon AVS Ltd.) |
| .PEX | Proboard Executable Program |
| .PF | Archive |
| .PF | Monitor or Printer Profile File |
| .PF | Prefetch (also called Scenario) File (Microsoft Corporation) |
| .PF | Progress Database Parameter File (Progress Software Corporation) |
| .PF | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PF | Aladdin Systems Private Files Encrypted File |
| .PF | ICC Profile |
| .PF? | SmartWare Project Source File |
| .PFA | PostScript Unhinted Type 3 Font |
| .PFA | Formdef or Pagedef Source Code |
| .PFA | Postscript Type 1 Font |
| .PFB | DESQview (Symantec Corporation) |
| .PFB | PostScript Type 1 Font (Adobe Systems Incorporated) |
| .PFC | First Choice Text File |
| .PFC | WordPerfect Perfect Fit Filter (Corel Corporation) |
| .PFC | PF Component |
| .PFC | New Soft Presto! Page Manager File |
| .PFC | AOL Preferences/Favorites/Mail (America Online, Inc.) |
| .PFD | Playstation 3 Saved Game Control Data (Sony Corporation of America) |
| .PFD | Process (iGrafx (a division of Corel Inc.)) |
| .PFD | PlanningForce Plan File (Intelligent Software Cy) |
| .PFD | Personal Finances Database (Alex Shirokov (ALZEX software)) |
| .PFD | ProForm Database Data Entry File (SoftPro) |
| .PFDB | Password Fortress Secure Database File (Dunning Software) |
| .PFDT | Password Fortress Database Template (Dunning Software) |
| .PFE | Programmers File Editor |
| .PFF | Tachyon Archive |
| .PFF | Zoomify Image Stream (Zoomify, Inc.) |
| .PFF | Delta Force Archive (NovaLogic, Inc.) |
| .PFF | Armored Fist 3 Archive |
| .PFF | F22 Lightning 3 |
| .PFF | Comanche 4 |
| .PFF | Formatta Filler Portable Form Files (Formatta Corporation) |
| .PFG | Epson PRINT Image Framer (PIF) Designer File (Seiko Epson Corp.) |
| .PFG | jEEPers Program/Configuration File |
| .PFK | XTree Programmable Function Keys |
| .PFL | Family Lawyer Data File (Broderbund) |
| .PFL | Freelance Graphics DOS Version 4.0 Portfolio Presentation (IBM) |
| .PFL | Quicken Lawyer Data File (Intuit Inc.) |
| .PFL | Paint Shop Pro Fine Leather Preset (Corel Corporation) |
| .PFL | ENwin Estructuras de Naves Geometric and Mechanical Properties (Procedimientos-Uno, S.L.) |
| .PFL | Printfil License File (@SwIt s.r.l.) |
| .PFL | SmartStation AppsView File |
| .PFL | PhotoFiltre Plug-in (Antonio Da Cruz) |
| .PFM | Printer Font Metrics (Adobe Systems Incorporated) |
| .PFM | Portable Float Map Graphics Data |
| .PFP | The Panorama Factory Project |
| .PFR | Paint Shop Pro Frame (Corel Corporation) |
| .PFR | WebFont Wizard Portable Font Resource |
| .PFS | pfs:File Database / pfs:Write Text |
| .PFS | Image Studio Picture (Matsushita Electric Industrial Co., Ltd.) |
| .PFS | BIOCCELERATOR Homologous Sequence Names |
| .PFS | First Publisher ART File |
| .PFT | ChiWriter Printer Font |
| .PFW | Symantec Liveadvisor Shared File (Symantec Corporation) |
| .PFX | PFXplus Application Source Code (POWERflex Corporation) |
| .PFX | Amiga Pageflipper Plus F/X Animation (Amiga) |
| .PFX | Rapfile |
| .PFX | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PFX | Personal Information Exchange File |
| .PF_ | Encore Compressed Audio File |
| .PG | 2D Graphic |
| .PG | Printfox/Pagefox |
| .PG | IBM LinkWay Cut/Paste File |
| .PG | Casio FX-Link-Kit File (Casio Computer Co., Ltd.) |
| .PG1 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PG2 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PG3 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PGA | Solitaire Aztec Peg Backup |
| .PGA | PowerGREP Action File (JGsoft - Just Great Software) |
| .PGA | IBM Professional Graphics Adapter Image |
| .PGB | Rayman2 File |
| .PGC | Egypt Solitaire Back |
| .PGC | Portable Gaming Notation (PGN) Compressed Format |
| .PGC | Compressed Portfolio Graphic |
| .PGD | Pretty Good Privacy (PGP) Virtual Disk File (PGP Corporation) |
| .PGE | PocketGrandmaster Game Engine File (Frank Schneider & Kai Skibbe, Softwaredevelopment) |
| .PGE | Solitaire Peg Back |
| .PGF | PGC Portfolio Graphics Compressed Bitmap |
| .PGF | Progressive Graphics File (xeraina GmbH) |
| .PGF | GPS Pathfinder Office Geoid Grid File (Trinble Navigation Limited) |
| .PGF | PowerGREP File Selection (JGsoft - Just Great Software) |
| .PGI | PGraph Library Printer Device Driver |
| .PGL | HP Plotter Language |
| .PGL | PowerGREP Library (JGsoft - Just Great Software) |
| .PGM | MegaBasic Apple II Program File |
| .PGM | CGI Program |
| .PGM | Signature Program |
| .PGM | Opentech Digital STB Main Software (Opentech, Inc.) |
| .PGM | Chromeleon Batch Program |
| .PGM | Portable Graymap Graphic |
| .PGM | BASIC Program |
| .PGM | RS7000 OS Image (Yahama Corporation) |
| .PGMEURS | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PGML | Precision Graphics Markup Language |
| .PGN | Picatinny Arsenal Electronic Formstore Form in TIFF Format |
| .PGN | Portable Game Notation (PGN) |
| .PGP | Pretty Good Privacy (PGP) Key/Signature File (PGP Corporation) |
| .PGP | AutoCAD Program Parameter (Autodesk, Inc.) |
| .PGP | Program Parameter |
| .PGP | TBAV File |
| .PGR | PowerGREP Results File (JGsoft - Just Great Software) |
| .PGR | Pretty Good Privacy (PGP) PGP Groups (PGP Corporation) |
| .PGS | PageStream Document (Grasshopper LCC) |
| .PGS | PGSuper |
| .PGS | Man4DOS Manual Page |
| .PGS | DALiM LiTHO Vector Page (Blanchard Systems Inc.) |
| .PGT | Sothink Glenda Widget Tools File |
| .PGU | PowerGREP Undo History (JGsoft - Just Great Software) |
| .PGW | Map File |
| .PGX | Visual Basic Binary Property Page File (Microsoft Corporation) |
| .PGZ | TPDesign ver 1.23 Control System Touch Panel Design (AMX Corporation) |
| .PGZ | StreamLync Download Archive (PalmGear) |
| .PG_ | Improve Compressed Audio File |
| .PH | Help Compiler Phrase Table |
| .PH | Profan Header File (rgh-soft.de) |
| .PH | AOL Phone Home Data File (America Online, Inc.) |
| .PH | MRS-802 Phrase Audio Data (Mono or Stereo Left Channel) (Zoom Corporation) |
| .PH | Optimized Geoworks .GOH File |
| .PH | PERL Header |
| .PH3 | PHP Script |
| .PH4 | PHP Script |
| .PHANTASM | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PHAPACK | PhaPacker Format |
| .PHASER | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PHB | PhotoBase (ArcSoft, Inc.) |
| .PHB | PhoneB Phonebook File |
| .PHB | ClustaW Tree File |
| .PHB | NewLeaf PhraseBook |
| .PHB | TreeView File |
| .PHC | Home Embroidery Format |
| .PHD | ViewChoice (Payroll Associates, LLC) |
| .PHD | Tomb Raider Game Level file (Core Design) |
| .PHD | PolyHedra Database |
| .PHD | Punch! 5 in 1 Home Design CAD Plan (Punch! Software) |
| .PHD | PC Help Desk File |
| .PHE | WinChess Game Record |
| .PHF | Photofont Font File (Fontlab Ltd.) |
| .PHIST | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PHL | PHP Source File |
| .PHL | Database Configuration File |
| .PHL | Icon Collection File |
| .PHM | Pro Home Manager Database (Pro Home Manager, LLC) |
| .PHM | Phorm |
| .PHM | DN - Lync Phone Book |
| .PHN | Phormation |
| .PHN | Phun Scene (Algoryx) |
| .PHN | Compuserve Signup File |
| .PHN | PhoneFree Internet Telephone |
| .PHN | UltraFax/QmodemPro Phone List |
| .PHO | Gerber Photoplot File |
| .PHO | Metz Phone Phone List |
| .PHP | Picture It! Publishing Project File (Microsoft Corporation) |
| .PHP | PHP Script (The PHP Group) |
| .PHP | PhotoParade Slideshow (Callisto Corporation) |
| .PHP | Creatacard Quick Prints Project (Broderbund) |
| .PHP | Presentation |
| .PHP3 | PHP Script |
| .PHP4 | PHP Script |
| .PHP5 | PHP Script |
| .PHPS | PHP Source (The PHP Group) |
| .PHPT | PHP: Hypertext Preprocessor Make Test Test Suite (The PHP Group) |
| .PHPW | GTK+ Application |
| .PHQ | Handheld Quake Language File |
| .PHR | NoExcuse Phrase Checker |
| .PHR | LocoScript Phrases (LocoScript Software) |
| .PHR | MRS-802 Phrase Audio Data (Stereo Right Channel) (Zoom Corporation) |
| .PHS | XtalView Phase File (The Computational Center for MacroMolecular Structures (CCMS)) |
| .PHS | xfit Phase File |
| .PHS | PHScript File |
| .PHT | Partial Hypertext File |
| .PHTM | PHP Script |
| .PHTML | Embedded Perl (ePerl) File |
| .PHTML | web-iPerl Document |
| .PHTML | PHP Script |
| .PHV | Husqvarna Viking Sewing Machines Emroidery Disk File (Husqvarna Viking) |
| .PHW | PhotoWebber Session File (Media Lab) |
| .PHX | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PHX | PodFlow Firmware Update (Ikon AVS Ltd.) |
| .PHX | Phoenix Image Transfer Format |
| .PHY | Spicemod Asic File |
| .PHY2 | Marathon 2 Game Physics File (Bungie) |
| .PHYS | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PHYSAO | Aleph One Physics Model (Marathon Open Source) |
| .PHZ | Point Horizon Spreadsheet with Methods (Logic Scientific) |
| .PH_ | C Poet Compressed Disk1 File |
| .PI | Blazing Paddles |
| .PI | iPi Pi Calculation Storage (10101 Software) |
| .PI | Extension Associated with W32.Sobig.D@mm Worm |
| .PI | Image Japan PI |
| .PI | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PI$ | MS Compressed PIF |
| .PI1 | Degas & Degas Elite |
| .PI2 | Studio2 High Resolution Encrypted Image (Portrait Innovations, Inc.) |
| .PI2 | Degas & Degas Elite |
| .PI2SHR | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PI3 | Degas & Degas Elite |
| .PI3SHR | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PI4 | Degas & Degas Elite |
| .PI5 | Degas & Degas Elite |
| .PI6 | Degas & Degas Elite |
| .PIANO | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PIC | Pixar Picture |
| .PIC | Picture |
| .PIC | MTV & Rayshade Image |
| .PIC | Pictor Picture |
| .PIC | Movie BYU File |
| .PIC | Macintosh Quickdraw/PICT Drawing |
| .PIC | Micrografx Draw |
| .PIC | Psion Series 3 Bitmap (Psion PLC) |
| .PIC | Stad File |
| .PIC | QuickTime Picture (Apple Inc.) |
| .PIC | SoftImage 3D Image |
| .PIC | Radiance Scene Description Image |
| .PIC | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PIC | Rayshade Graphic |
| .PIC | SDSC Image Tool Pixar Picture |
| .PIC | Lotus Picture (IBM) |
| .PIC | IBM Storyboard Bitmap |
| .PIC | CADdy++ Mechanical 2D Picture Data (DataSolid GmbH) |
| .PIC | PC Paint Bitmap Graphic |
| .PIC | Advanced Art Studio |
| .PIC | Softimage |
| .PIC | Bio-Rad Confocal Image (Bio-Rad) |
| .PIC | Animator PIC/CEL Bitmap (Autodesk, Inc.) |
| .PIC | Delcam Picture File |
| .PIC | Handy Scaner Cameron Image |
| .PIC1 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PIC2 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PIC3 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PIC4 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PIC5 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PIC6 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PIC8 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PICCATA | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PICHAND | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PICIO | Pixar Picture |
| .PICON | Personal Icon |
| .PICS | PICT Drawing Sequence |
| .PICT | Macintosh Quickdraw/PICT Drawing (Apple Inc.) |
| .PICT1 | Macintosh QuickDraw/PICT Image (Apple Inc.) |
| .PICT2 | Macintosh Quickdraw/PICT Drawing |
| .PICTCLIPPING | Macintosh OS X Picture Clipping (Apple Inc.) |
| .PICTOR | PC Paint Image File |
| .PICTURE | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .pid | UNIX Process ID File |
| .PID | W32/Yayin-A Worm Data File |
| .PIE | Glove Programmable Input Emulator (GlovePIE) Script (Carl Kenner) |
| .PIE | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PIE | Studio2 High Resolution Encrypted Image (Portrait Innovations, Inc.) |
| .PIECE | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PIECES | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PIF | OS/2 Graphics Metafile |
| .PIF | Macintosh Compressed File Archive |
| .PIF | IBM PIF Drawing |
| .PIF | Windows Program Information File (Microsoft Corporation) |
| .PIF | GDF Format Vector Image |
| .PIG | Lucas Arts Dark Forces WAD File |
| .PIG | Descent Texture File |
| .PIG | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PIG | Ricoh IS30 |
| .PIGG | City of Heros Virtual Drive Game File (Cryptic Studios) |
| .PII | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PII | 36-Image Converter Phoenx Inet Image (UIC Phoenxsoftware) |
| .PIL | LABpilot Trend Data (CMA Microdialysis AB) |
| .PIL | ICUpilot Trend Data (CMA Microdialysis AB) |
| .PILE | chum Test Results (Piletest.com Limited) |
| .PIM | PixMaker Project File |
| .PIM | PIMPLE Compressed File (Ilia Muraviev) |
| .PIM | Personal Information Manager File |
| .PIM | Ultimate Draw Pascal Text Mode Image |
| .PIM1 | Pinnacle Systems Video File (Pinnacle Systems, Inc.) |
| .PIN | Pushpin Set |
| .PIN | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PIN | ArchiCAD (Graphisoft R&D Software Development Rt.) |
| .PIN | Atari ST Graphics Format |
| .PIN | Compton's 3D World Atlas |
| .PIN | Epic Pinball Data File |
| .PIN | Links Games Player Information File |
| .PIN | PUDL Coded Split File Particle |
| .PINBALL1 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PINBALL2 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PINE | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PIP | Office Personalized Menu and Toolbar (Microsoft Corporation) |
| .PIP | JPEG,JPG,JPE, JFIF,PJPEG Compressed Bitmap Picture |
| .PIPC | PIPE-FLO Compressible Database (Engineered Software, Inc.) |
| .PIPE | PIPE-FLO Professional Piping System Design File (Engineered Software, Inc.) |
| .PIPL | Photoshop 5.0 SDK Samplecode Colorpicker File (Adobe Systems Incorporated) |
| .PIQ | Piped Technology Information Query (Queensgate Systems Ltd) |
| .PIQT | QuickTime Still (Apple Inc.) |
| .PIRA | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PISI | Pardus Linux Package (Scientific & Technological Research Council of Turkey) |
| .PISTE | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PIT | PackIt Archive |
| .PIV | Pivot Stickfigure Animator Cartoon (Peter Bone) |
| .PIV | Pivotal Sales Suite Activity File (Pivotal Corporation) |
| .PIW | PI ProcessBook Display Definition File (OSIsoft, Inc.) |
| .PIX | PrintMaster Graphic File |
| .PIX | Inset Systems Bitmap or Vector Graphic |
| .PIX | ESM Software Pix |
| .PIX | Island Graphics |
| .PIX | BRL-CAD RGB Raster Image (BRL-CAD Development Team and US Army) |
| .PIX | Alias PIX Bitmap |
| .PIX | Roland Scanner File |
| .PIX | SDSC Alias/Wavefront RLE Image |
| .PIX | Truevision Targa Bitmap |
| .PIX | Vort |
| .PIX | PABX Background Bitmap |
| .PIX | LUMENA .PIX and .BPX File Formats |
| .PIXAR | Pixar Picture |
| .PIXELPAINT | PixelPaint Professional Ver. 1.0/2.0 Image File |
| .PIZ | Pizza Connection 2 Saved Game (Virgin Interactive Entertainment) |
| .PIZ | Renamed Zip File |
| .PIZ | Pizzicato Music Score (ARPEGE sprl) |
| .PIZZA | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PI_ | Compressed PIC or PIF File |
| .PJ | MKS Source Integrity File |
| .PJ | Project64 Game Progress File |
| .PJ | SuperProject Project File |
| .PJ | PaintJet PCL Bitmap (Hewlett-Packard) |
| .PJ1 | Project64 Save File |
| .PJD | Portfolio 7 Exported Categories File (Extensis, Inc.) |
| .PJF | Photojunction Format File (Photojunction Ltd.) |
| .PJF | iAddress Postal Job File (Flagship Software Ltd.) |
| .PJG | packJPG Lossless JPEG Compression (JIFIF Complient) (Hochschule Aalen) |
| .PJG | Photo Assistant Image |
| .PJL | ProCite Term Lists and Journal Title Lists |
| .PJP | JPEG Image |
| .PJPEG | JPEG Image |
| .PJR | DVDx Project (labDV) |
| .PJS | Purejapan Viewer |
| .PJT | Codewright Editor Project (Starbase) |
| .PJT | AcuBench Project File (Acucorp, Inc.) |
| .PJT | Foxpro Project Memo (Microsoft Corporation) |
| .PJT | Rational Rose Project (IBM) |
| .PJT | Photojunction Template (Photojunction Ltd.) |
| .PJX | Foxpro Project index |
| .PJX | Foxpro Project (Microsoft Corporation) |
| .PJXL | PaintJet XL PCL Bitmap (Hewlett-Packard) |
| .PK | Text |
| .PK | Audition Graphical Waveform (Adobe Systems Incorporated) |
| .PK | LaTeX Compressed Font |
| .PK | TeX DVI Driver Packed Bitmap Font |
| .PK3 | Return to Castle Wolfenstein (Id Software, Inc.) |
| .PK3 | Quake III Engine PAK File (Id Software, Inc.) |
| .PK3 | Heavy Metal: F.A.K.K.2 Archive |
| .PK3 | American McGee Alice Archive (Electronic Arts, Inc.) |
| .PK3 | Medal of Honor: Allied Assault |
| .PK4 | Railroad Tycoon 3 Packaged Graphics (PopTop Software Inc.) |
| .PKA | PointLineCAD 3D Keyframe Animation (Point Line, Inc.) |
| .PKA | Compressed Archive File |
| .PKA | Packet Tracer Activity File For Practice (Cisco Systems, Inc.) |
| .PKB | QuickPOS (Point-Of-Sale) Keyboard Layout File |
| .PKB | The Matrix Online Archive (Sony Online Entertainment Inc.) |
| .PKB | Oracle Package Body |
| .PKC | ForeignDesk Project Archive |
| .PKC | Jython JAR Index File |
| .PKD | Turbo Pascal Compressed DOS Batch File (Borland Software Corporation) |
| .PKD | PowerKaraoke Project File (PAW) |
| .PKD | Top Secret Crypto Gold Compressed File (TAN$TAAFL Software Company) |
| .PKF | SecretAgent Key File |
| .PKF | ARTiSAN Real-time Studio |
| .PKG | Developer Studio Application Extension (Microsoft Corporation) |
| .PKG | Automise ActionStudio Action Design (VSoft Technologies Pty Ltd.) |
| .PKG | Playstation 3 Installation Package (Sony Corporation of America) |
| .PKG | Systems Management Server (SMS) Package Description File (Microsoft Corporation) |
| .PKG | Midtown Madness 3D Model (Microsoft Corporation) |
| .PKG | OneSpace Designer Package (CoCreate) |
| .PKG | InstallShield Compiled Setup Package (Acresso Software Inc.) |
| .PKG | Sun SVR4 Package Data Stream |
| .PKG | P-CAD Database (Altium Limited) |
| .PKG | AppleLink Package Compression Format |
| .PKG | Next Installer Script |
| .PKG | Newton File/Application (Apple Inc.) |
| .PKG | OS X Installer File (Apple Inc.) |
| .PKG | MicroSim PCBoard External ASCII Package Definition File |
| .PKGLIST | Pepper Keeper Package Installation File (Pepper Computer, Inc.) |
| .PKN | Systems Management Server (SMS) Package Creation Notification (Microsoft Corporation) |
| .PKO | PublicKey Security Object |
| .PKP | MS Development Common IDE Pakage Project File |
| .PKP | Privacy Killer Plug-in Manager (SelinSoft) |
| .PKPAK | Archive |
| .PKR | Tony Hawk's Pro Skater 2 Archive (Neversoft Entertainment) |
| .PKR | Pretty Good Privacy (PGP) Public Keyring (PGP Corporation) |
| .PKS | Oracle Package Specification |
| .PKS | Insight II NMR Peak Intensity/Integral (Accelrys Software Inc.) |
| .PKT | TeX Font |
| .PKT | EtherPeek Collected Packets |
| .PKT | Fidonet Packet |
| .PKT | Packet Tracer Network Simulation Model (Cisco Systems, Inc.) |
| .PKT | TTC FireBerd 500 Capture File |
| .PKV | Steam Package Data (Valve Corporation) |
| .PKX | Rational XDE (IBM) |
| .PKY | PockeTTY Security Certificate (DejaVu Software) |
| .PKZ | Winoncd Images Mask File |
| .PL | Fractal Zplot Palette File (Mystic Fractal) |
| .PL | TeX Property List Font Metric |
| .PL | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PL | PROLOG Program File |
| .PL | PERL Program File |
| .PL | BRL-CAD 2D and 3D Plot File (BRL-CAD Development Team and US Army) |
| .PL | Linux Shell Executable Binary |
| .PL | Harvard Graphics Palette (Harvard Graphics) |
| .PL | Interleaf Printerleaf or WorldView Format |
| .PL1 | 3D Home Architect Room Plan |
| .PL3 | Harvard Graphics Chart Palette (Harvard Graphics) |
| .PL4 | Micrografx Designer Palette |
| .PL4 | Pathloss Network Data File |
| .PLA | STABCAL (stability calculation for aqueous systems) File |
| .PLA | Total Club Manager Training Routine (Electronic Arts, Inc.) |
| .PLA | APT Assistant |
| .PLA | Connectivity Memory Model Plasticity Function Additional Precision Input File |
| .PLA | ArchiCAD Plan Archive (Graphisoft R&D Software Development Rt.) |
| .PLAN | Chief Architect Plan (Chief Architect) |
| .PLASMA | Plasma Fractal Image |
| .PLAT | Platinum Web Package Compiled Web File (Platinum Inc.) |
| .PLATFORM | Topsy File |
| .PLATO | PLATO Web Learning Network (PWLN) Temporary File (PLATO Learning, Inc.) |
| .PLAY | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PLAY2 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PLAYER | Asle / ReDoX 6.1 Format |
| .PLAYER | The Player 4.0 |
| .PLAYER | 2D Fighter Maker 2nd Player Data (Enterbrain, Inc.) |
| .PLAYER | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PLAYLIST | Cyberlink DVD Player Playlist (CyberLink Corp.) |
| .PLAYSOUND | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PLB | STABCAL (stability calculation for aqueous systems) File |
| .PLB | Insight II Pseudoatom Library (Accelrys Software Inc.) |
| .PLB | LogoShow Screensaver |
| .PLB | MicroSim PCBoard Package Library File |
| .PLB | The Print Shop Multimedia Organizer |
| .PLB | MSC.Fatigue v9.0 Improved Performance Patch |
| .PLB | Arena Picture Library (Rockwell Automation, Inc.) |
| .PLB | PCAD Library Management Module File |
| .PLB | Foxpro Library (Microsoft Corporation) |
| .PLB | AAICW Log File |
| .PLB | DESQview (Symantec Corporation) |
| .PLC | P-CAD Database (Altium Limited) |
| .PLC | PL/B Object File (Sunbelt Computer Systems, Inc.) |
| .PLC | Lotus Add-in (IBM) |
| .PLD | PhotoLine Image Document (Computerinsel) |
| .PLD | Oracle Binary Module Text Form File (Oracle) |
| .PLD | Messenger Plus! Backup Configuration (Patchou) |
| .PLD | Messenger Plus Pref Pack (Microsoft Corporation) |
| .PLD | PINO 3 |
| .PLD | MIE People Database (MIE Software Pty Ltd) |
| .PLD | PLD2 Source File |
| .PLE | Phone2PC Sound File (Konexx) |
| .PLE | Messenger Plus! Encrypted Logfile (Patchou) |
| .PLEASURE | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PLENTY2 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PLEX | Visual Perl File |
| .PLEZE | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PLF | PatchLink Patch Developers Kit Exported Patch Archive (PatchLink Corporation) |
| .PLF | InterVideo WinDVD Playlist File |
| .PLF | ProLife Cellular Automata Binary Data File |
| .PLF | SalesLogix Pick List Text File (Best Software) |
| .PLG | Aston Shell Plug-in (Gladiators Software) |
| .PLG | Developer Studio Build Log (Microsoft Corporation) |
| .PLG | REND386/AVRIL File |
| .PLG | BPM Studio Play List Categories (ALCATech) |
| .PLG | Sibelius Plug-in (Sibelius Software Ltd) |
| .PLG | ButtonGadget |
| .PLH | Paint Shop Pro Light Preset (Corel Corporation) |
| .PLI | Oracle 7 Data Description |
| .PLIST | Property List XML File |
| .PLJ | PlayJ Music Format |
| .PLJ | PLUS 2D Job File (Nirvana Technologies Pvt. Ltd.) |
| .PLK | Op9630 Am32 File |
| .PLK | ATI Radeon Video Driver |
| .PLL | PAKLEO Compressed Archive |
| .PLL | Clipper Prelinked Library |
| .PLL | Oracle Binary Library Module (Oracle) |
| .PLM | PDP-10 Program Logic Manual |
| .PLM | Panasonic SD Voice Editor File (Panasonic Corporation of North America) |
| .PLM | DisorderTracker2 Module |
| .PLMA | U3 System File (U3 LLC) |
| .PLN | Home Plan Pro Architecture Design (Home Plan Software) |
| .PLN | ArchiCAD 3D Model File (Graphisoft R&D Software Development Rt.) |
| .PLN | CTP Scene Definition File (Crater Software) |
| .PLN | WordPerfect Spreadsheet File (Corel Corporation) |
| .PLN | InDesign 3rd Party Plug-in (Adobe Systems Incorporated) |
| .PLN | Psion Organiser Spreadsheet File (Psion PLC) |
| .PLN | Primavera Pertmaster Plan File (Primavera Pertmaster) |
| .PLN | Flight Simulator Flight Plan (Microsoft Corporation) |
| .PLN | RealFlight Radio Control Airplane Description (Knife Edge Software) |
| .PLO | STABCAL (stability calculation for aqueous systems) File |
| .PLOT | UNIX Plot(5) Format |
| .PLOTTER | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PLP | PicaLoader Project File (VOWSoft, Ltd.) |
| .PLP | protexIP Project License Profile (Black Duck Software, Inc.) |
| .PLP | Sansa Playlist (SanDisk Corporation) |
| .PLP | Messenger Plus! Sound Pack (Patchou) |
| .PLR | Descent Pilot File |
| .PLR | Player File |
| .PLRSTAT | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PLS | Pro/ENGINEER Temporary File (PTC) |
| .PLS | Generic Playlist File |
| .PLS | WinAmp MPEG PlayList File (Nullsoft) |
| .PLS | Shoutcast Audio Stream Information |
| .PLS | Real MP3 Playlist |
| .PLS | Napster MPEG PLayList File |
| .PLS | MYOB Data File (MYOB Technology Pty Ltd.) |
| .PLS | Pronunciation Lexicon Specification (W3C) |
| .PLS | MattBatt iAM-player (MattBatt Productions) |
| .PLS | DisorderTracker2 Sample |
| .PLSC | Messenger Script Pack (Microsoft Corporation) |
| .PLT | Windows Update |
| .PLT | dnaLIMS 3700 Sample Sheet (dnaTools) |
| .PLT | X-wing vs. Tie Fighter Pilot File |
| .PLT | HP Graphics Language |
| .PLT | PLATO Risk Management Data (Unisys) |
| .PLT | Rhea-PV2D PlotView-2D Plot |
| .PLT | Software Platform File |
| .PLT | Palette |
| .PLT | AutoCAD Plot drawing (Autodesk, Inc.) |
| .PLT | Gerber Sign-making Software File |
| .PLT | OziExplorer Plot Track (Des & Lorraine Newman) |
| .PLT | Infinity Game Engine Bitmap Graphic (BioWare Corp.) |
| .PLT | Organiser Paper Layout Definition (IBM) |
| .PLT | MicroStation Driver Configuration for Plotting (Bentley Systems, Incorporated) |
| .PLT | Page Magic Ver. 2.0 Paper Format |
| .PLT | Clipper Ver. 5 Pre-linked Transfer File |
| .PLUGIN | OS X Plug-in (Apple Inc.) |
| .PLUGIN | Photoshop Plug-in (Adobe Systems Incorporated) |
| .PLUIE | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PLUS | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PLW | PicoLog Data File |
| .PLX | iriver Plus Playlist (iriver) |
| .PLX | PERL Programming Language Script |
| .PLX | Neurological Data for Statistical Analysis |
| .PLX | Executable Perl Script |
| .PLY | Polygon Model Format (Stanford University, Georgia Tech) |
| .PLY | PopMail Data |
| .PLY | Cyberware Scanner File |
| .PLY | AIRO (Odetics Broadcast) |
| .PLY | Harvard Graphics Spotlight Presentation Screen (Harvard Graphics) |
| .PLY | MiDi PoWeR Playlist File (ACCORG) |
| .PLY | Blaze Media Pro File |
| .PLZ | Lotus Freelance Presentation |
| .PM | Perl Code Module |
| .PM | Presentation Manager Graphic |
| .PM | X Window PixelMap Bitmap |
| .PM | PageMaker Document (Adobe Systems Incorporated) |
| .PM | Pegasus Mail Frequently Used File (David Harris) |
| .PM | PrintMaster Graphic |
| .PM | Rebel Assault File |
| .PM | Amiga Power Music Song/Module |
| .PM! | Pegasus Mail Address Book Index (David Harris) |
| .PM# | Pegasus Mail Status/Index File (David Harris) |
| .PM$ | Pegasus Mail Temporary File (David Harris) |
| .PM0 | Pegasus Mail State File (David Harris) |
| .PM1 | Pegasus Mail Auxiliary Address Book File (David Harris) |
| .PM2 | Pegasus Mail UID Information (David Harris) |
| .PM3 | Pegasus Mail (David Harris) |
| .PM3 | PageMaker Version 3 Document (Adobe Systems Incorporated) |
| .PM4 | PageMaker Version 4 Document (Adobe Systems Incorporated) |
| .PM4 | Pegasus Mail General Filtering Rules (David Harris) |
| .PM5 | Pegasus Mail New Messasge Template Script (David Harris) |
| .PM5 | PageMaker Version 5 Document (Adobe Systems Incorporated) |
| .PM6 | Pegasus Mail Reply Template Script (David Harris) |
| .PM6 | PageMaker Version 6 Document (Adobe Systems Incorporated) |
| .PM7 | Pegasus Mail Folder State File (David Harris) |
| .PMA | Windows Performance Monitor File (Microsoft Corporation) |
| .PMA | Pegasus Mail Version 2.2 Data Archive (David Harris) |
| .PMA | MSX Computers Archive Format |
| .PMA | Payroll Mate 2008 (RealTaxTools.com) |
| .PMAP | Pocket Mindmap Mindmap File (JKRB Software) |
| .PMAPZ | Pocket Mindmap Compressed Mindmap File (JKRB Software) |
| .PMB | Payroll Mate 2008 (RealTaxTools.com) |
| .PMB | Polar Uplink Tool Bitmap Image (Polar Electro) |
| .PMB | Pegasus Mail Version 2.2 Addressbook (David Harris) |
| .PMC | Perl Compiled Code Module |
| .PMC | Windows Performance Monitor File (Microsoft Corporation) |
| .PMC | Pegasus Mail ASCII Format Mail Filter Rule (David Harris) |
| .PMC | A4Tech Scanner Graphic |
| .PMD | Pegasus Mail User Dictionary (David Harris) |
| .PMD | PageMaker (Adobe Systems Incorporated) |
| .PMD | PlanMaker Spreadsheet |
| .PMD | Payroll Mate 2008 (RealTaxTools.com) |
| .PMD | Polyphonic Ringtone File for Phones |
| .PME | Pixela Digital Picture (Pixela Corporation) |
| .PME | Pegasus Mail Filter Rule File (David Harris) |
| .PME | Plazmic Media Engine File |
| .PMET | Spore Creature Metadata File (Electronic Arts, Inc.) |
| .PMF | Pegasus Mail Message Attachment (David Harris) |
| .PMF | Payroll Mate 2008 (RealTaxTools.com) |
| .PMF | PCLTool PageTech Metafile File Format (Page Technology Marketing, Inc. (PageTech)) |
| .PMF | Pyrism Map File (Two Brothers Software) |
| .PMF | AppMind Process Management File (Appmind Software AB) |
| .PMF | Playstation Movie Format (PSMF) (Sony Corporation of America) |
| .PMF | ArcReader GIS Mapping |
| .PMG | Pegasus Mail Folder Index (David Harris) |
| .PMG | PageMaker Group File (Adobe Systems Incorporated) |
| .PMG | Paint Magic |
| .PMG | Photomerge Composition (Adobe Systems Incorporated) |
| .PMH | Pegasus Mail Phonemic Homonym Dictionary (David Harris) |
| .PMI | Pegasus Mail Message Folder Index File (David Harris) |
| .PMI | OS/2 Program Manager Information |
| .PMJ | Pegasus Mail WinPMail State File (David Harris) |
| .PMJ | 3D Digital Scanner File |
| .PMJX | 3D Digital Scanner File |
| .PMK | Pegasus Mail Keyboard File (David Harris) |
| .PML | Spin Promela Source Code File |
| .PML | PageMaker Library (Adobe Systems Incorporated) |
| .PML | PADGen Program Information |
| .PML | Pegasus Mail Distribution List (David Harris) |
| .PML | Windows Performance Monitor File (Microsoft Corporation) |
| .PML | Process Monitor Process Capture File (Microsoft Corporation) |
| .PMM | Amaris BTX/2 Program |
| .PMM | Pegasus Mail Message Folder (David Harris) |
| .PMN | Pegasus Mail Annotation File (David Harris) |
| .PMO | Pegasus Mail Saved Message (David Harris) |
| .PMO | Print Master Gold Text |
| .PMOD | Pike Module (Linköpings universitet) |
| .PMP | PowerMedia Color Palette |
| .PMP | Photomorph Project |
| .PMP | Sony DSC-F1 Cyber-shot |
| .PMP | Project Manager Pro Schedule |
| .PMP | Soldat Map Maker/Soldat Polymap File |
| .PMP | ThumbsPlus Graphic |
| .PMP | Pegasus Mail Notepad File (David Harris) |
| .PMP | AutoCAD R2000 Plotter Model Parameters (Autodesk, Inc.) |
| .PMP | Video |
| .PMP | PHPMaker Project File (e.World Technology Limited) |
| .PMP | VideoCraft GIF Animator Project |
| .PMPPKG | Pegasus Mail Pegasus Mail Preferences PacKaGe (David Harris) |
| .PMQ | Pegasus Mail Mail Filter Rules (David Harris) |
| .PMR | Pegasus Mail Address Book (David Harris) |
| .PMR | Windows Performance Monitor File (Microsoft Corporation) |
| .PMR | PhotoModeler Project (Eos Systems) |
| .PMS | AliceSoft PMS Bitmap |
| .PMS | Pegasus Mail Signature (David Harris) |
| .PMS | Personal Media Suite Encoded File (Freecom Technologies) |
| .PMS | Password Master Encrypted Password File (dreameesoft.com) |
| .PMS | Pop'n Music Script |
| .PMT | Technics Keyboard Panel Memory File |
| .PMT | Pegasus Mail Tray File (David Harris) |
| .PMT | PageMaker Template (Adobe Systems Incorporated) |
| .PMTOOL | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PMU | Pegasus Mail Pmail Keyboard Macro-related File (David Harris) |
| .PMV | Pegasus Mail Filter Rules (David Harris) |
| .PMW | Pegasus Mail Draft Stored Messages To Be Sent (David Harris) |
| .PMW | Windows Performance Monitor File (Microsoft Corporation) |
| .PMX | Pegasus Mail Final Stored Messages To Be Sent (David Harris) |
| .PMZ | Pegasus Mail Pmail Scrap Buffer (David Harris) |
| .PM_ | Musicato MUSICAT.ZIT Compressed File |
| .PN2 | International Systems Consultancy ParsNegar II Word Processor |
| .PN3 | Harvard Graphics Printer Driver (Harvard Graphics) |
| .PNA | Panoramide Java 3D Panoramic Animations (Ki Solutions Group) |
| .PNA | TomTom PNA Map Info (TomTom International BV) |
| .PNA | PhatNoise Media/Music Manager Audio File (PhatNoise, Inc.) |
| .PNAGENT | Program Neighborhood Agent (Citrix Systems, Inc.) |
| .PNC | Panasonic Network Camera Compressed Image (Panasonic Corporation of North America) |
| .PNC | IBM Voice Type Language Scripts Data File |
| .PNC | Pegasus Mail Content Control Set Definition (David Harris) |
| .PND | NstisApp.exe Hyperspectral Data File (Plain Sight Systems) |
| .PND | Pension System Pending File (DATAIR Employee Benefit Systems, Inc.) |
| .PND | Pegasus Mail Connection Information (David Harris) |
| .PNF | Precompiled Setup Information |
| .PNF | Windows Precompiled Setup Information (Microsoft Corporation) |
| .PNF | Portable Network Graphics Frame Bitmap |
| .PNG | Spore Creature File (Electronic Arts, Inc.) |
| .PNG | Portable (Public) Network Graphic |
| .PNG | Paint Shop Pro Browser Catalog (Corel Corporation) |
| .PNG | Fireworks Image File (Macromedia) |
| .PNL | ProCon Control Panel Panel Control File (Roche AV) |
| .PNL | TopSolid Nesting Module (Missler Software) |
| .PNL | PEERNET Label Designer File |
| .PNM | PBM Portable Any Map Graphic Bitmap |
| .PNM | Pegasus Mail IMAP Message Flag Status (David Harris) |
| .PNP | PEERNET Publisher (PEERNET Inc.) |
| .PNP | Pegasus Mail POP3 Server Side Filter Rules (David Harris) |
| .PNQ | ICQ Instant Message File (ICQ Inc.) |
| .PNR | PEERNET Label Designer File |
| .PNS | PEERNET Label Designer File |
| .PNS | Pegasus Mail Formatted Signatures (David Harris) |
| .PNT | ARC Format Vector Point Data |
| .PNT | FTN Software Pointlist Segment |
| .PNT | RCSWin Paint File (RCS Corporation) |
| .PNT | DeskMate Paint Image |
| .PNT | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PNT | MacPaint Bitmap Graphic |
| .PNT | MarkMail Qwk Reader Pointers |
| .PNT | PaperPort Thumbsview (ScanSoft Inc.) |
| .PNT | Pro/ENGINEER Pen Table Plot (PTC) |
| .PNT | World Data Bank II Country Data File |
| .PNT | MacPaint Graphic File |
| .PNTG | MacPaint Bitmap Graphic |
| .PNU | PEERNET Label Designer File |
| .PNV | CRiSP Harvest File |
| .PNV | PCschematic PowerDistribution Project (DpS CAD-center ApS) |
| .PNW | Poles 'n' Wires Project Data File (PowerMation) |
| .PNX | Pegasus Mail RTF Version of Queued/Draft Message (David Harris) |
| .PNY | QV Map Image File (Touratech) |
| .PNZ | Panorama Shortcut to Open Multiple Databases (ProVUE Development) |
| .po | UNIX Message Catalog Source |
| .PO | GNU Gettext Portable Object (Free Software Foundation) |
| .PO2 | STABCAL (stability calculation for aqueous systems) File |
| .PO3 | STABCAL (stability calculation for aqueous systems) File |
| .PO5 | STABCAL (stability calculation for aqueous systems) File |
| .POA | Fifa World Cup Game Data fe Art Legalscr File |
| .POB | Punch CAD Program 3D Object (Punch! Software) |
| .POC | PocoMail Script (Poco Systems, Inc.) |
| .POD | Text |
| .POD | Bloodrayne |
| .POD | OpenProj Project File (Serena Software Incorporated) |
| .POD | PodFlow Project (Ikon AVS Ltd.) |
| .POD | Terminal Velocity Archive |
| .POD | Punch CAD Program (Punch! Software) |
| .pod | UNIX perldoc File |
| .POEM | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .POEMS | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .POF | Tajima DG/ML Embroidery Design File (Pulse Microsystems Ltd.) |
| .POF | Programming Object File |
| .POG | Descent 2 Alternative Texture Set |
| .POH | Optimized Geoworks .GOH File |
| .POK | ZX Spectrum-Emulator |
| .POKER | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .POL | Windows Policy File |
| .POL | Music File |
| .POL | AscToHTM Policy File |
| .POL | InnovMetric Software 3D Polygon Models Format |
| .POL | Personal Paint Polish Language User Interface File (Amiga) |
| .POL | Policy Windows 95 Network Setup |
| .POLICY | Java Policy File (Sun) |
| .POLICY | Opera Java Applets Permission File (Opera Software ASA) |
| .POLKA | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .POLYGONIA | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PONGLIFE | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .POO | INITeX String Pool |
| .POO | 8-bit Commodore 64 Machine Code |
| .POOL | TeX Messages File |
| .POP | PopMail Message Index |
| .POP | dBASE Popup Menu |
| .POR | Corel Painter Portfolio File |
| .POR | SPSS Portable Data File (SPSS Inc.) |
| .PORT | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PORT1 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PORT2 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PORT3 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PORT4 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PORT5 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .POS | Paint Shop Pro Polished Stone Preset (Corel Corporation) |
| .POS | WinHex Position Data (X-Ways Software Technology AG) |
| .POS | POSTER Save File (Poster Software) |
| .POS | ProCite Output Styles |
| .POS | Notes Full Text Index (IBM) |
| .POS | QuickPOS IIF File |
| .POST | Yahoo! Messenger Voice Mail (Yahoo! Inc.) |
| .POSTSCRIPT | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .POT | GNU Gettext Portable Object Base Translation (Free Software Foundation) |
| .POT | PowerPoint Template (Microsoft Corporation) |
| .POT | Fractint Continuous Potential Bitmap |
| .POT | Animation |
| .POTHTML | Powerpoint HTML Template (Microsoft Corporation) |
| .POTM | Power Point Microsoft Office Open XML Format Presentation Template with Macros Enabled (Microsoft Corporation) |
| .POTMENX | egis Encrypted POTM (Powerpoint 2007) File (HiTRUST Inc.) |
| .POTX | Power Point Microsoft Office Open XML Format Presentation Template (Microsoft Corporation) |
| .POTXENX | egis Encrypted POTX (Powerpoint 2007) File (HiTRUST Inc.) |
| .POV | Persistence of Vision Ray-tracer |
| .POW | PowerChords Chord Chart |
| .POWER | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .POWER | Goo Picture Library |
| .POWERCHORD | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .POWERFIFTH | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .POWERFONT | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .POWERGS | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .POWER_OF_AMERICAN | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PP | Compressed Amiga Archive File |
| .PP | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PP | Pocket Physics Saved Data (Tobias Weyand) |
| .PP | Perl Data Language PreProcessor File |
| .PP | Topocad Polygon Point Coordinate File (Chaos Systems AB) |
| .PP | Free Pascal Source Code File (Free Pascal Development Team) |
| .PP$ | Modem Bitware Fax Disk6 File |
| .PP1 | Free Pascal Compiled Unit for GO321v1 Platform (FPC Development Team) |
| .PP2 | Visual Passage Planner Passage File (Digital Wave) |
| .PP2 | Ping Plotter Saved Trace Data (Nessoft, LLC) |
| .PP2 | Curious Labs Poser Prop File |
| .PP2 | PingPlotter Sample File (Nessoft, LLC) |
| .PP3 | PlanetPress Suite 3 Form File (Objectif Lune) |
| .PP3NSCALE | PlanetPress File |
| .PP4 | Picture Publisher |
| .PP5 | Picture Publisher |
| .PPA | PowerPoint Add-in (Microsoft Corporation) |
| .PPAM | Power Point Microsoft Office Open XML Format Add-in With Macros (Microsoft Corporation) |
| .PPAMENX | egis Encrypted PPAM (Powerpoint 2007) File (HiTRUST Inc.) |
| .PPB | WordPerfect Print Preview Button Bar (Corel Corporation) |
| .PPC | Uefa Champions League |
| .PPC | Percussion Studio Compiled Rhythmic Patterns (Henry Kellner) |
| .PPC | Roxio Easy CD Creator File (Sonic Solutions) |
| .PPC | Breeze Plug-in for PowerPoint Sync File (Macromedia) |
| .PPC | XMap Flight Plan or Flight Plan Statistic File (Delorme) |
| .PPD | PhotoImpression Project (ArcSoft, Inc.) |
| .PPD | PostScript Printer Description |
| .PPD | PageMaker PostScript Printer Description (Adobe Systems Incorporated) |
| .PPENC | Magical Security Encrypted File (ashampoo GmbH & Co. KG) |
| .PPF | Playstation Patch File (Sony Corporation of America) |
| .PPF | Micrografx Picture Publisher File |
| .PPF | Paint Shop Pro Soft Plastic Preset File (Corel Corporation) |
| .PPF | MENSI PointScape 3D Laser Scanner Project File |
| .PPF | Turtle Beach Pinnacle Program File |
| .PPF | EdgeCAM Part Data (Pathtrace Engineering Systems) |
| .PPF | PlayStation Patch File |
| .PPG | ProPixel2D Image (Pacific Software) |
| .PPG | Professor Franklin's Photo Print Gold |
| .PPG | PowerPoint Presentation (Microsoft Corporation) |
| .PPI | PowerPoint Graphics File (Microsoft Corporation) |
| .PPJ | Premiere Video Editing File (Adobe Systems Incorporated) |
| .PPK | PPK Archive |
| .PPK | PuTTY Win32 Telnet/SSH Client Private Key |
| .PPL | Free Pascal ppumove Free Pascal ppumove-Generated Library (Free Pascal Team) |
| .PPL | Harvard Graphics Polaroid Palette Plus ColorKey Driver (Harvard Graphics) |
| .PPM | PBM Portable Pixelmap Graphic |
| .PPM | Insight II Proton Chemical Shifts (Accelrys Software Inc.) |
| .PPMA | Portable Bitmap |
| .PPN | Lexmark Firmware Flash File (Lexmark International, Inc.) |
| .PPO | Free Pascal Compiled Unit for OS/2 Version (FPC Development Team) |
| .PPO | Clipper Preprocessor Output |
| .PPP | Enfocus Preflight Profile |
| .PPP | Parson Power Publisher |
| .PPP | Point to Point Protocol |
| .PPP | Punk Productions Picture |
| .PPP | Picture Pump Project File |
| .PPP | PagePlus Publication (Serif) |
| .PPR | PowerPlay OLAP Multidimensional Cube (Cognos Incorporated) |
| .PPRINT | Pics Print File |
| .PPS | ArcView Processing Set Codes (ESRI) |
| .PPS | Personal Producer Storyboard |
| .PPS | PowerPoint Slideshow (Microsoft Corporation) |
| .PPSENX | egis Encrypted Powerpoint PPS File (HiTRUST Inc.) |
| .PPSM | Power Point Microsoft Office Open XML Format Presentation Slide Show with Macros Enabled (Microsoft Corporation) |
| .PPSMENX | egis Encrypted PPSM (Powerpoint 2007) File (HiTRUST Inc.) |
| .PPSX | Power Point Microsoft Office Open XML Format Presentation Slide Show (Microsoft Corporation) |
| .PPSXENX | egis Encrypted Powerpoint Open XML PPSX File (HiTRUST Inc.) |
| .PPSXENX | egis Encrypted PPSX (Powerpoint 2007) File (HiTRUST Inc.) |
| .PPT | PowerPoint Presentation (Microsoft Corporation) |
| .PPT | BIFF File (Microsoft Corporation) |
| .PPTENX | egis Encrypted Powerpoint PPT File (HiTRUST Inc.) |
| .PPTHTML | Powerpoint HTML Document (Microsoft Corporation) |
| .PPTM | Power Point Microsoft Office Open XML Format Presentation with Macros Enabled (Microsoft Corporation) |
| .PPTMENX | egis Encrypted PPTM (Powerpoint 2007) File (HiTRUST Inc.) |
| .PPTX | Power Point Microsoft Office Open XML Format Presentation (Microsoft Corporation) |
| .PPTXENX | egis Encrypted Powerpoint Open XML PPTX File (HiTRUST Inc.) |
| .PPTXENX | egis Encrypted PPTX (Powerpoint 2007) File (HiTRUST Inc.) |
| .PPU | Free Pascal Compiled Unit for Linux or DOS Version (FPC Development Team) |
| .PPV | Pocket PowerPoint Presentation (Microsoft Corporation) |
| .PPV | Vox Proxy Animated Power Point (Right Seat Software, Inc.) |
| .PPV | Punch CAD Program Thumbnail (Punch! Software) |
| .PPV | Pogle Platinum Software Version Archive (Pandora International) |
| .PPW | Free Pascal Compiled Unit for Windows Version (FPC Development Team) |
| .PPW | Micrografx Picture Publisher Wizard |
| .PPX | PingPlotter Script (Nessoft, LLC) |
| .PPX | Serif PagePlus Publication |
| .PPX | PowerPlay OLAP Reporting (Cognos Incorporated) |
| .PPZ | PowerPoint Packaged Presentation (Microsoft Corporation) |
| .PQ | PageMaker Default Printer Style (Adobe Systems Incorporated) |
| .PQ | Progress Quest Saved Character |
| .PQA | Palm Query Application File |
| .PQB | PowerQuest Batch File |
| .PQE | Easy Recovery Recovered Data (Kroll Ontrack Inc.) |
| .PQF | Corel Presentations File (Corel Corporation) |
| .PQG | Rescue ME/OS2/DOS File |
| .PQI | PowerQuest Drive Imaging Software |
| .PQI | PhreeqcI |
| .PQO | PhreeqcI |
| .PQT | PlasQuote Data File (Ampersand Design) |
| .PQW | Corel Presentations 9 Runtime |
| .PQX | Power Quest Drive Image Index |
| .PQZ | QuaSZ Palette File (Mystic Fractal) |
| .PR | EROSION 3D Precipitation Parameters |
| .PR | Worm W32/Brontok-DP [and others] |
| .PR | Sun Icon/Cursor |
| .pr | UNIX Bitmap Source |
| .PR | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PR0 | Payroll Company Information (CheckMark Software, Inc.) |
| .PR1 | Packrat Ver 4.0 Data File |
| .PR1 | Payroll Empolyees (CheckMark Software, Inc.) |
| .PR1 | OzWin CompuServe E-mail/Forum Access Purged Message File |
| .PR2 | dBASE IV Printer Driver |
| .PR2 | Packrat 4.x data file |
| .PR2 | Payroll Employee Checks (CheckMark Software, Inc.) |
| .PR2 | Persuasion Presentation |
| .PR2 | Proteus Session |
| .PR3 | Payroll Employer Payees (CheckMark Software, Inc.) |
| .PR3 | dBASE IV PostScript Printer Driver |
| .PR3 | Persuasion Presentation (Adobe Systems Incorporated) |
| .PR3 | PFXplus Resource File (POWERflex Corporation) |
| .PR4 | Harvard Graphics Presentation (Harvard Graphics) |
| .PR4 | Payroll Employer Checks (CheckMark Software, Inc.) |
| .PR5 | Payroll Distributions (CheckMark Software, Inc.) |
| .PRAY | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PRB | PSpice PROBE Configuration File (Cadence Design Systems, Inc.) |
| .PRB | xyALGEBRA File |
| .PRC | Rational Rose Processes (IBM) |
| .PRC | Corel Presentation |
| .PRC | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PRC | filePro Data Table (fp Technologies) |
| .PRC | Palmpilot Resource File (Palm, Inc.) |
| .PRC | Medlin Accounting Current Year Paychecks (Medlin Accounting) |
| .PRC | Profan Compiled P-Code (rgh-soft.de) |
| .PRC | PathAway Map (MuskokaTech.) |
| .PRC | Hillwalker/MapWise/Alpiniste/PhotoMaps List of Parked Route Cards (ISYS Computers) |
| .PRC | Picture Gear Pocket |
| .PRD | Lode Runner Game |
| .PRD | Printer Driver |
| .PRD | Product Designer Data File (ProductFoundry) |
| .PRE | Stork Format CMYK Bitmap |
| .PRE | SonicWALL SGMS Syslog (SonicWALL, Inc.) |
| .PRE | Programmer's WorkBench Settings |
| .PRE | Freelance Graphics (IBM) |
| .PRE | NeroWave Editor Presets (Nero AG) |
| .PRE | Insight II Dynamics Scratch File (Accelrys Software Inc.) |
| .PRECSTLE | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PREF | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PREFERENCES | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PREFERRED | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PREFIX | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PREFPANE | Macintosh OS X Preference Pane (Apple Inc.) |
| .PREFS | Preferences File |
| .PREFS | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PREL | Premiere Elements Project File (Adobe Systems Incorporated) |
| .PREP | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PREQ | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PREQUAL | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PRESENT | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PRESENTS | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PRESREL | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PRESS | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PREVIZ | FrameForge 3D Studio Project (Innoventive Software, LLC) |
| .PREXPORT | Premiere Preset (Adobe Systems Incorporated) |
| .PRF | Profiler Output |
| .PRF | Director Settings (Macromedia) |
| .PRF | Rapfile |
| .PRF | Fastgraph Pixel Run Format Graphics |
| .PRF | Preferences File |
| .PRF | Polychrome Recursive Format Bitmap |
| .PRF | Plot Reference File |
| .PRF | PICS Rules File |
| .PRF | Monarch Portable Report File |
| .PRF | McAfee Viruscan Profile |
| .PRF | dBASE IV Printer Driver |
| .PRF | ClarisWorks Preferences File |
| .PRF | CheckIt Pro 1.0 Data |
| .PRF | Windows System File |
| .PRF | Atheros Profile File (Atheros Communications, Inc.) |
| .PRF | MicroImages Print Driver File (MicroImages, Inc.) |
| .PRF | Profan (rgh-soft.de) |
| .PRF2 | Nord Modular G2 Performance (Clavia DMI AB) |
| .PRG | Program File |
| .PRG | WAVmaker Program |
| .PRG | PC-DMIS Part Program File (Wilcox Associates, Inc.) |
| .PRG | Commodore PET/VIC20/64/128 Executable Programs in BASIC |
| .PRG | SpecEm Snapshot |
| .PRG | GEM Executable Program |
| .PRG | Atari ST Program (Infogrames Entertainment SA) |
| .PRG | xBase Website Code (Mauricio Fragoso) |
| .PRG | RPG Toolkit Program Script (Christopher Matthews) |
| .PRG | OzWin CompuServe E-mail/Forum Access Purged Message File |
| .PRG | SHARP MZ-series Emulator File |
| .PRG2 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PRH | Cold Fusion Studio 3.1 Project |
| .PRH | HomeSite 3.0 Project |
| .PRI | LocoScript Printer Definitions (LocoScript Software) |
| .PRI | Prisms |
| .PRIMER | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PRINCIPAL | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PRINT | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PRINT2 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PRINTBUF16 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PRINTBUF32 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PRINTBUF48 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PRINTBUF62 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PRINTBUF8 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PRINTER | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PRISM | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PRIVY | PrivyPad (SlavaSoft Inc.) |
| .PRJ | Visual Basic Project (Microsoft Corporation) |
| .PRJ | Project File |
| .PRJ | MyCad IC Layout Architecture |
| .PRJ | MultiEdit Editor Project (MultiEdit Software) |
| .PRJ | Monarch File |
| .PRJ | HitPlayer Advanced Playlist File |
| .PRJ | AwpHelp Project |
| .PRJ | 3D Studio Project (Autodesk, Inc.) |
| .PRJ | ArcView ESRI Coordinate System Definition (ESRI) |
| .PRJ | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PRJ | Stylus Studio Project FIle (DataDirect Technologies, a division of Progress Software Corporation) |
| .PRJ | Turbo C Project File (Embarcadero Technologies, Inc.) |
| .PRJ | FireFly SDK Designer Project (PlanetSquires Software) |
| .PRJ | Maestro Project (Schrödinger, LLC) |
| .PRJ | Pg4uw Project File (Elnec s.r.o.) |
| .PRJPCB | Altium Designer Project (Altium Limited) |
| .PRJX | #develop (SharpDevelop) Project File (IC#Code) |
| .PRJZIP | Maestro Compressed Project (Schrödinger, LLC) |
| .PRK | Campground Master/Resort Master Database (Cottonwood Software) |
| .PRK | Tony Hawk's Pro Skater 2 Saved Park (Neversoft Entertainment) |
| .PRKLOG | Campground Master/Resort Master Log File (Cottonwood Software) |
| .PRL | Paint Shop Pro Rough Leather Preset (Corel Corporation) |
| .PRL | Perl Script |
| .PRL | Process Revolution Object Library File |
| .PRM | Parameter File |
| .PRM | BullsEye Style File |
| .PRM | Prolog Module |
| .PRM | Premiere Plug-in (Adobe Systems Incorporated) |
| .PRM | MYOB Premier 2004 Data File (MYOB Technology Pty Ltd.) |
| .PRM | SYNETSIM Parameter File |
| .PRM | MicroImages Parameters File for Radar Slant to Ground Conversion (MicroImages, Inc.) |
| .PRM | TomTom Map (TomTom International BV) |
| .PRN | PostScript File |
| .PRN | XYWrite Printer Driver |
| .PRN | HP Printer Control Language |
| .PRN | DataCAD Windows Printer File (DATACAD LLC) |
| .PRN | Signature Printer Driver |
| .PRN | Calcomp Raster Bitmap |
| .PRN | Printer Text File |
| .PRNX | Developer Express XML Output Document (Developer Express Inc.) |
| .PRO | Infinity Game Engine Projectile Type Description (BioWare Corp.) |
| .PRO | Pegasus Mail Profile (David Harris) |
| .PRO | Chord Pro Song Format (Mussoft) |
| .PRO | Configuration File (Profile) |
| .PRO | Creamware Pulsar Audio File |
| .PRO | DOS Graphics Profile File |
| .PRO | Euphoria Profile (Rapid Deployment Software) |
| .PRO | PC|SCHEMATIC Automation Project/Document (PC|SCHEMATIC) |
| .PRO | Atari Disk Image (Atari) |
| .PRO | Guitar Chord File |
| .PRO | Lorenz Graf HTML Tool Project |
| .PRO | Xilinx Integrated Software Environment JTAG Programmer Options File (Xilinx, Inc.) |
| .PRO | Terramodel Project File |
| .PRO | Sid Meier's SimGolf |
| .PRO | PV-WAVE Procedure File |
| .PRO | Qt Project Configuration File (Qt Software) |
| .PRO | Punch Pro Home Design File |
| .PRO | Pagis Pro Ver. 3.0 Graphic |
| .PRO | PROLOG Program File |
| .PRO | IDL Source Code (Research Systems, Inc.) |
| .PRO | Pro/ENGINEER Configuration (PTC) |
| .PRO | Fast-Talk Pronunciation File (Fast-Talk Communications, Inc.) |
| .PRO | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PROCESSOR | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PRODOS | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PRODUCT | Norton Ghost File |
| .PROFILE | UNIX Bourne or Kom Shell Environment File |
| .PROFILE | FastTrack Client Profile |
| .PROFILE | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PROFILES | Amaya Configuration |
| .PROG | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PROGRAM | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PROGRAMMER | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PROJ | NeXT Interface Builder Project File |
| .PROJ | Poseidon for UML Project Information (Gentleware AG) |
| .PROJ | Insight II NMR Project (Accelrys Software Inc.) |
| .PROJECT | Project Builder for WebObjects Project (Apple Inc.) |
| .PROLAMP | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PROMIZER | Promizer v0.1/v1.0c/v1.8a/v2.0/v4.0 Formats |
| .PROP | Application Visualization System AVS High-end Visualization Environment. |
| .PROP | Spore Property File (Electronic Arts, Inc.) |
| .PROPACKER | ProPacker v1.0/v2.1/v3.0 Formats [Asle / ReDoX] |
| .PROPERTIES | Java Properties File (Sun) |
| .PROPERTIES | Netscape Communicator Java Classes File |
| .PRORUNNER | ProRunner v1/v2 Formats [Asle / ReDoX] |
| .PROTECT | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PROTO | Windows Amaya File |
| .PRP | InstantDB Database File |
| .PRP | Movie |
| .PRP | Rational Rose Model Properties (IBM) |
| .PRP | Oberon Prospero Data Conversion Saved Project |
| .PRP | Compressed GIMP Image with Properties of GIMP Properties File |
| .PRP | Palace Server Server Configuration (Communities.com) |
| .PRP | Uru: Ages Beyond Myst Page Resource Package (PRP) File (Cyan Worlds, Inc.) |
| .PRPRESET | Premiere Preset (Adobe Systems Incorporated) |
| .PRPROJ | Premiere Pro Project File (Adobe Systems Incorporated) |
| .PRR | Perfect Resume Data |
| .PRR | Office Password Recovery Encoded Text File (AccentSoft) |
| .PRS | Lotus Freelance Presentation for OS/2 |
| .PRS | Printer Resource File |
| .PRS | Norton Viewer DLL |
| .PRS | LodeRunner Game |
| .PRS | Harvard Graphics (Harvard Graphics) |
| .PRS | WordPerfect Printer Resource Font File (Corel Corporation) |
| .PRS | dBASE Procedure |
| .PRS | Yamaha Pro Style (Yamaha Corporation of America) |
| .PRS | Office Password Recovery Password Recovery Status (AccentSoft) |
| .PRSL | Premiere Style (Adobe Systems Incorporated) |
| .PRT | Process Revolution Template File |
| .PRT | Pro/ENGINEER Parts File (PTC) |
| .PRT | Printer-formatted File |
| .PRT | Pro/ENGINEER Model File (PTC) |
| .PRT | Schedule+ Print File (Microsoft Corporation) |
| .PRT | Unigraphics Part File |
| .PRT | W32/Parrot-A Worm-related |
| .PRT | Personal Paint Portuguese Language User Interface File (Amiga) |
| .PRT | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PRT | SCEdit Part File |
| .PRT | P-CAD Component (Altium Limited) |
| .PRT | IRMA Workstation for Windows Printer Configuration |
| .PRT | InterComm Pin Use Definition |
| .PRT | Dr.Halo Printer Driver |
| .PRT | Presentations Template (Corel) |
| .PRT | CADKEY CADKEY Part File (Kubotek USA Inc.) |
| .PRT | File Breaker Split File (Fenix Evolution) |
| .PRT | Printer Configuration |
| .PRT2 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PRTDOT | Solidworks Part Template (Dassault Systemes) |
| .PRTL | Premiere Title (Adobe Systems Incorporated) |
| .PRV | SecretAgent Private Key File |
| .PRV | psiMail ISP Template |
| .PRV | Previous Version |
| .PRV | Publisher Page Wizard File (Microsoft Corporation) |
| .PRV | Backup |
| .PRV | ClarisWorks File |
| .PRVKR | Pretty Good Privacy (PGP) Private Keyring (PGP Corporation) |
| .PRW | PR Weaver Saved Data File (PR Weaver Software) |
| .PRW | Art-lantis Shader's Preview (ABVENT) |
| .PRW | Jigs@w File (Tibo Software) |
| .PRX | Media Player Ver. 9 XML/Media File (Microsoft Corporation) |
| .PRX | Primavera Project Planner Compressed Project (Primavera Systems, Inc.) |
| .PRX | Playstation Plug-in File (Sony Corporation of America) |
| .PRX | Atari ST Executable |
| .PRX | Foxpro Compiler Program (Microsoft Corporation) |
| .PRX | Process Revolution Diagram File |
| .PRZ | Freelance Graphics 97 File (IBM) |
| .PR_ | Compressed Project File |
| .PS | PostScript |
| .PS | Works File (Microsoft Corporation) |
| .PS | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PS | PaulShields Song/Module |
| .PS0 | PS/2 File |
| .PS1 | PostScript File |
| .PS1 | Windows PowerShell Script (Microsoft Corporation) |
| .PS16 | Protracker Studio 16 Format |
| .PS2 | Level II PostScript File (Adobe Systems Incorporated) |
| .PS3 | Level III PostScript File (Adobe Systems Incorporated) |
| .PS5 | ProSteel 5 Data File (Survey Design Associates Ltd.) |
| .PSA | Photoshop Album Photo Album File (Adobe Systems Incorporated) |
| .PSA | ProSpace Schematic File |
| .PSA | Pretty Simple Archive Compressed Archive |
| .PSA | Intactix pro/space Plus Planogram (Floorplan) (JDA Software Group, Inc.) |
| .PSAFE3 | Password Safe Database |
| .PSAR | Playstation Update Data (Sony Corporation of America) |
| .PSB | Pinnacle Sound Bank |
| .PSB | Paint Shop Pro Sunburst Preset (Corel Corporation) |
| .PSB | Project Scheduler Configuration File |
| .PSB | Photoshop Large Document Format (Adobe Systems Incorporated) |
| .PSC | Paint Shop Pro Sculpture Preset (Corel Corporation) |
| .PSCOLLECTION | PornSnatcher Collection Data (PORNSnatcher.com) |
| .PSD | Periscope Debugger Definition File |
| .PSD | Photoshop Format (Adobe Systems Incorporated) |
| .PSD | DESIGN II for Windows General Flowsheet |
| .PSD | Apple Viewer (Apple Inc.) |
| .PSE | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PSE | IBM Printer Page Segment Bitmap |
| .PSEG | IBM Printer Page Segment Bitmap |
| .PSEG3820 | IBM Printer Page Segment Bitmap |
| .PSEG38PP | IBM Printer Page Segment Bitmap |
| .PSETUP | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PSF | PostScript Support File |
| .PSF | PowerSoft Report File |
| .PSF | ChiWriter PostScript Printer Font |
| .PSF | PhotoStudio Graphic (ArcSoft, Inc.) |
| .PSF | MicroStation Plot Specification (Bentley Systems, Incorporated) |
| .PSF | Insight II X-PLOR Molecular Structure File (Accelrys Software Inc.) |
| .PSF | Photoshop Proof Setup (Adobe Systems Incorporated) |
| .PSF | PowerArchiver Skin (ConeXware) |
| .PSF | Eclipse Project Set File (The Eclipse Foundation) |
| .PSF | HP-UX Software Distributor Product Specification File (Hewlett-Packard Development Company, L.P.) |
| .PSF | Windows Server Update Services Patch Storage File (Microsoft Corporation) |
| .PSF | Playstation Sound Format (Sony Corporation of America) |
| .PSF | Playstation Metadata File (Sony Corporation of America) |
| .PSF2 | Playstation 2 Sound Format (Sony) |
| .PSFLIB | Playstation Sound Format (Playstation Sound Format Library) (Sony Corporation of America) |
| .PSFLIB2 | Playstation 2 Sound Format (Playstation Sound Format Library) (Sony) |
| .PSH | Lexmark Firmware Flash File (Lexmark International, Inc.) |
| .PSH | ProShow Show File (Photodex Corporation) |
| .PSH | Punch Home Design Series CAD Data File |
| .PSI | Psion A-law Audio (Psion PLC) |
| .PSI | Adesign Image File (Pierresoft.com) |
| .PSIC | PhotoStudio Icon File (ArcSoft, Inc.) |
| .PSID | PostScript Image Data |
| .PSID | Word Sidtune File Format |
| .PSION | Psion A-law Audio (Psion PLC) |
| .PSK | Unreal Engine Character (Epic Games, Inc.) |
| .PSL | Sierra Mastercook Layout File |
| .PSL | Accellera Property Specification Language Source Code File (Accellera) |
| .PSL | PowerTerm Script Language (Ericom Software) |
| .PSL | PATROL Script Language Script (BMC Software, Inc.) |
| .PSL | MicroSim PCBoard Padstack Library File |
| .PSM | Epic Games Sound Data |
| .PSM | Solid Edge Document (UGS PLM Solutions) |
| .PSM | Prism Desktop Data Driven Dynamic Document (Sisense Ltd.) |
| .PSM | PrintShop Mail Data File (Atlas Software BV) |
| .PSM | Protracker Studio Module Format |
| .PSM | SolidEdge CAD File |
| .PSM | Turbo Pascal Symbol Table (Borland Software Corporation) |
| .PSM5 | PrintShop Mail Data File (Atlas Software BV) |
| .PSMD | PrintShop Mail Document (Atlas Software B.V.) |
| .PSMODEL | Delcam Powershape |
| .PSMT | PrintShop Mail Template (Atlas Software B.V.) |
| .PSN | Post-it Software Notes (3M Company) |
| .PSN | Sound Script Presentation |
| .PSO | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PSOD | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PSP | Prodea Synergy Procedure |
| .PSP | Paint Shop Pro Image (Corel Corporation) |
| .PSP | Project Scheduler Planning File |
| .PSP | Scenicsoft Preps |
| .PSP | Streets & Trips PushPin File (Microsoft Corporation) |
| .PSP | PL/SQL Server Page (Oracle) |
| .PSP | SYNETSIM Synaptic Transmitter File |
| .PSPAUTOSAVE | Paint Shop Pro Ver. 8+ Auto Save File (Corel Corporation) |
| .PSPBRUSH | Paint Shop Pro Ver. 8+ Brush (Corel Corporation) |
| .PSPBUMPMAP | Paint Shop Pro Ver. 8+ Bump Map (Corel Corporation) |
| .PSPCACHE | Paint Shop Pro Ver. 8+ Cache (Corel Corporation) |
| .PSPCMYKPROFILE | Paint Shop Pro Ver. 8+ CMYK Profile (Corel Corporation) |
| .PSPD | PhotoSuite Ver. 5 File (Sonic Solutions) |
| .PSPDEFORMATIONMAP | Paint Shop Pro Ver. 8+ Deformation Map (Corel Corporation) |
| .PSPENVIRONMENTMAP | Paint Shop Pro Ver. 8+ Environment Map (Corel Corporation) |
| .PSPFRAME | Paint Shop Pro Ver 8+ Frame (Corel Corporation) |
| .PSPGRADIENT | Paint Shop Pro Ver. 8+ Gradient (Corel Corporation) |
| .PSPIMAGE | Paint Shop Pro Ver 8+ Image (Corel Corporation) |
| .PSPMASK | Paint Shop Pro Ver 8+ Mask (Corel Corporation) |
| .PSPPALETTE | Paint Shop Pro Ver. 8+ Palette (Corel Corporation) |
| .PSPSCRIPT | Paint Shop Pro Ver 8+ Script (Corel Corporation) |
| .PSPSELECTION | Paint Shop Pro Ver. 8+ Saved Selection (Corel Corporation) |
| .PSPSHAPE | Paint Shop Pro Ver 8+ Shape (Corel Corporation) |
| .PSPSTYLEDLINE | Paint Shop Pro Ver. 8+ Styled Line (Corel Corporation) |
| .PSPTUBE | Paint Shop Pro Ver 8+ Tube (Corel Corporation) |
| .PSPWORKSPACE | Paint Shop Pro Ver 8+ Workspace (Corel Corporation) |
| .PSQ | Postscript Grafic |
| .PSR | PowerSoft Report DataStore (OLE Storage Version) (Sybase, Inc.) |
| .PSR | Project Scheduler Resource File |
| .PSR | PowerSoft Report (Sybase, Inc.) |
| .PSS | AutoCAD Plot Stamp Settings (Autodesk, Inc.) |
| .PSS | Pocket SlideShow Converted PowerPoint Presentation (CNetX) |
| .PSS | Axialis Screen Saver Producer |
| .PSS | Paint Shop Pro Sandstone Preset (Corel Corporation) |
| .PSS | Playstation Game File (Sony Corporation of America) |
| .PSS | Type Manager PostScript Stub (Adobe Systems Incorporated) |
| .PSSD | PhotoSuite Ver. 5 Slideshow (Sonic Solutions) |
| .PSSG | Race Driver: GRID Car Livery (The Codemasters Software Company Limited) |
| .PST | BMail Postbox File |
| .PST | Ulead Pattern (Corel Corporation) |
| .PST | Outlook Personal Folder File (Microsoft Corporation) |
| .PST | Yamaha Pianist (Solo Piano) Style (Yamaha Corporation of America) |
| .PST | Mastercam Post Processor File (CNC Software, Inc.) |
| .PST | Medbasin Parameter File (National Technical University of Athens, Laboratory of Reclamation Works & Water Resources Management) |
| .PST | LightWave 3D Preset (NewTek) |
| .PST | Lahey Fortran Paste Buffer |
| .PST | MIDI Studio Preset File (MAGIX) |
| .PSV | Psychedelic Screen Saver Graphic (Synthesoft Corporation) |
| .PSV | Playstation 2/3 Saved Game (Sony Corporation of America) |
| .PSW | Pocket Word Document (Microsoft Corporation) |
| .PSW | Paint Shop Pro Straw Wall Preset (Corel Corporation) |
| .PSW | Print Shop Deluxe Ver. 6 File (Broderbund) |
| .PSW | Windows XP/Vista Backup Password File (Microsoft Corporation) |
| .PSX | Playstation Single Game Save (Sony Corporation of America) |
| .PSX | Dirty Little Helper Chat File |
| .PSY | Psychedelic Screen Saver Saved Settings (Synthesoft Corporation) |
| .PSY | Psychedelic Windows Products |
| .PSY | PSYCLE Tune/Song |
| .PSY | PLD2 System File |
| .PSY | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PSZ | Creaf Awedip Doc File |
| .PT | PTab Spreadsheet (Z4Soft) |
| .PT | Player Tools Game Crack |
| .PT | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PT | Kodak Precision Transform |
| .PT | PassMark PerformanceTest File (PassMark Software) |
| .PT | Pop!site HTML |
| .PT | Pitch Track Sound |
| .PT3 | Harvard Graphics Device Driver (Harvard Graphics) |
| .PT3 | Protext, Protext///e, and DBFsvr Formatted Text Data File (A. Dombi Engineering /A/D/E/) |
| .PT3 | ProTracker 3.x Compilation |
| .PT3 | PageMaker Version 3 Document Template (Adobe Systems Incorporated) |
| .PT4 | PageMaker Version 4 Document Template (Adobe Systems Incorporated) |
| .PT4 | ProtoTRAK Design Control File (Southwestern Industries, Inc.) |
| .PT5 | PageMaker Version 5 Document Template (Adobe Systems Incorporated) |
| .PT6 | PageMaker Version 6 Document Template (Adobe Systems Incorporated) |
| .PTB | Pro/ENGINEER Table (PTC) |
| .PTB | Peachtree Complete Accounting Backup Data File (Best Software SB, Inc.) |
| .PTB | Power Tab Guitar Tablature Editor |
| .PTB | PubTach Batch Works Script |
| .PTBL | PIPE-FLO Professional Pipe Data Table (Engineered Software, Inc.) |
| .PTC | PFXplus Compiled Program (POWERflex Corporation) |
| .PTC | NRG Symphonie Patch File |
| .PTC | ABBYY Finereader 5.0 Pro (ABBYY Software House) |
| .PTD | Pro/ENGINEER Temporary File (PTC) |
| .PTD | Pro/ENGINEER Table (PTC) |
| .PTD | PTCS Data File (DATAIR Employee Benefit Systems, Inc.) |
| .PTDB | Peachtree Accounting Database |
| .PTE | Picture to EXE Project |
| .PTE | Pop!site |
| .PTF | Pro Tools Ver 7.0+ Session File (Avid Technology, Inc.) |
| .PTF | Playstation Theme (Sony Corporation of America) |
| .PTF | LiveNote Legal Transcript File (LiveNote Technologies) |
| .PTF | ProTracker Tennis Match File (Fieldtown Software) |
| .PTG | ArtRage Project (Ambient Design Ltd.) |
| .PTH | 4th Dimension Database Windows Pathname Document (4D, Inc.) |
| .PTH | VisualGPSXP Path File (VisualGPS, LLC.) |
| .PTI | Pop!site |
| .PTI | Punch! Professional Home Design Texture Info File (Punch! Software) |
| .PTI | IBM Configurator Configuration |
| .PTI | PTI-Plug-in Graphic |
| .PTIF | Pyramid Encoded TIFF |
| .PTK | Quicken On-line Data File (Intuit Inc.) |
| .PTK | Red Alert 2 File |
| .PTK | Puntotek Cross-Stitch Pattern (Mediatek Sistemas S.C.) |
| .PTL | Paint Shop Pro Tile Preset (Corel Corporation) |
| .PTL | Painter4 File |
| .PTL | Python Template Language File |
| .PTL | Site Builder Path Translation List |
| .PTL | Rational Rose Export/Import File (IBM) |
| .PTL | Visual Modeler Petal File (Microsoft Corporation) |
| .PTL | Corel Painter Pattern, Selection or Texture File |
| .PTL | Premiere Pro Title (Adobe Systems Inc.) |
| .PTM | Page Magic Ver. 2.0 Template |
| .PTM | PolyTracker Music Module |
| .PTM | BioWare Aurora Engine Plot Manager (BioWare Corp.) |
| .PTM | PTMac Project File (Kekus Digital) |
| .PTM | PubTech BatchWorks Macro |
| .PTM | Polynomial Texture Map |
| .PTM | Module audio Poly Tracker |
| .PTM | MapPoint Map (Microsoft Corporation) |
| .PTMC | PTMac Project File (Kekus Digital) |
| .PTN | CADKEY Pattern File (Kubotek USA Inc.) |
| .PTN | Amaya Dicopar File |
| .PTN | PaperPort Thumbnail Images (ScanSoft) |
| .PTN | Housecall Virus Pattern File (Trend Micro, Inc.) |
| .PTO | hugin Project (hugin-ptx group) |
| .PTP | Docklight Project File (Flachmann und Heggelbacher) |
| .PTP | Primo Computer Emulator Tape File |
| .PTP | ToolBook Instructor/Assistant Book (SumTotal Systems, Inc.) |
| .PTP | C Poet Examples Advanced File |
| .PTP | ACT! Modem Sync File (Best Software CRM Division) |
| .PTR | OS/2 Cursor Image |
| .PTR | QMail Qwk Reader Pointer |
| .PTRON | Proxomitron Configuration File (Scott R. Lemmon (deceased)) |
| .PTS | Halflife Map Creation Debug File |
| .PTS | Infinity Engine Game Tileset |
| .PTS | PTgui Project (New House Internet Services B.V.) |
| .PTS | ABBYY Finereader 5.0 Pro (ABBYY Software House) |
| .PTS | 3D Points File |
| .PTT | MapPoint Template (Microsoft Corporation) |
| .PTT | Context4 DOS Word Processor Print File |
| .PTT | BioWare Aurora Engine Blueprint (BioWare Corp.) |
| .PTU | Performer Terrain Utilities |
| .PTV | MemoriesOnTV Photo Slide Show Project (CodeJam Pte Ltd) |
| .PTVW | Exact Business Analytics Template (Exact Holding N.V.) |
| .PTX | CUDA Parallel Thread Execution Assembly Language File (NVIDIA Corporation) |
| .PTX | Punch! Professional Home Design Texture File (Punch! Software) |
| .PTX | Rayman2 File |
| .PTX | PTCS Index File (DATAIR Employee Benefit Systems, Inc.) |
| .PTX | RealLegal E-Transcript of Court Proceedings (RealLegal,LLC) |
| .PTX | Pop!site |
| .PTX | Paint Shop Pro Texture Preset (Corel Corporation) |
| .PTX | Pentax RAW Bitmap Graphic (PENTAX Corporation) |
| .PTX | Printronix Bitmap |
| .PTY | Rational Rose 98 Properties (IBM) |
| .PTY | PockeTTY Saved Session (DejaVu Software) |
| .PUB | The Sims Family Data (Electronic Arts (Maxis)) |
| .PUB | NeoBook NBW Publication Source File (NeoSoft Corp.) |
| .PUB | Ventura Publisher (Corel Corporation) |
| .PUB | Pretty Good Privacy (PGP) Public Key Ring (PGP Corporation) |
| .PUB | Publisher Document (Microsoft Corporation) |
| .PUB | Print Perfect Gold Template |
| .PUB | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PUBHTML | Publisher HTML Document (Microsoft Corporation) |
| .PUBKR | Pretty Good Privacy (PGP) Public Keyring (PGP Corporation) |
| .PUBLIC | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PUBLISHED | Project Server-Published Project (Microsoft Corporation) |
| .PUBMHTML | Publisher Archived HTML Document (Microsoft Corporation) |
| .PUD | Warcraft III PUD Map (Blizzard Entertainment) |
| .PUF | Puffer Encrypted File |
| .PUHS | Universal Hint System Source File (Universal Hint System) |
| .PUI | Publish-iT Save File (Poster Software) |
| .PUI | Foobar2000 Panels UI Configuration File (Peter Pawlowski) |
| .PUL | Dinfo File |
| .PULLDOWN | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PUMPKIN | Pumpkin Shop Stencil (Fireburg Media) |
| .PUMPUPJAM | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PUNC | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PUNC2 | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PUP | Playstation System Software Update (Sony Corporation of America) |
| .PURBLEPAIRSSAVE-MS | Purble Place Pairs Save File (Microsoft Corporation) |
| .PURBLESHOPSAVE-MS | Purble Place Shop Save File (Microsoft Corporation) |
| .PURGE | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PUT | PUT Compressed File Archive (MicroFox Company) |
| .PUT | Wscan Graphic |
| .PUT | Instalit Script |
| .PUZ | Puzzle |
| .PUZ | Packed Publisher File (Microsoft Corporation) |
| .PUZ | General Name for a Puzzle File |
| .PUZ | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PUZ | BrainsBreaker Puzzle |
| .PUZ | Across Crossword Puzzle (Literate Software Systems) |
| .PUZZ | X11 Puzzle Bitmap |
| .PUZZLE | X11 Puzzle Bitmap |
| .PV | Phase Vocorder Analysis Data |
| .PV | CONSEL Output P-Value File (Dept. of Mathematical and Computing Sciences Tokyo Institute of Technology) |
| .PVA | Process Panel Builder Application File (Rockwell Automation) |
| .PVA | PVA Video (TechnoTrend AG) |
| .PVA | Hauppauge DVB-Software |
| .PVB | VirtualBoss PocketPC Data (VirtualBoss Development Co.) |
| .PVC | Process Panel Builder Application File (Rockwell Automation) |
| .PVD | PageRecall (Authentica) |
| .PVD | ParaView Data Object (Kitware, Inc.) |
| .PVD | Packet Analyzer Data File (Klos Technologies) |
| .PVD | PacketView Pro Packet Trace Data (Klos Technologies, Inc.) |
| .PVD | Install-It Script |
| .PVD | Picture Browser Cache (Canon Software Publishing) |
| .PVE | GoBeProductive Document (Gobe Corporation, Inc.) |
| .PVF | PageRecall (Authentica) |
| .PVG | Encarta World Atlas Pushpins (Microsoft Corporation) |
| .PVI | PVElite Pressure Vessel Analysis File (COADE, Inc.) |
| .PVI | Wave Corrector Anti-piracy File (Ganymede Test & Measurement) |
| .PVI | Picture Browser Cache Index (Canon Software Publishing) |
| .PVI | POD-Bot Knowledge File |
| .PVK | PVK Private Key (Microsoft Corporation) |
| .PVL | Instalit Library |
| .PVM | Parallels Desktop for Mac Virtual Machine File (Parallels, Inc.) |
| .PVM | Sonic Adventure DX Game Object (Sega of America, Inc.) |
| .PVM | OSTA.org MusicPhotoVideo (OSTA (Optical Storage Technology Association)) |
| .PVN | Design & Print, Business Edition Document (Avanquest Publishing USA, Inc.) |
| .PVP | Pan&Vision Project (Akromon) |
| .PVR | Dreamcast VR Texture (Sega) |
| .PVR | POWERVR Texture File (Imagination Technologies Ltd.) |
| .PVR | PVR-CONV |
| .PVR | Sonic Adventure DX (Possibly) Level File (Sega of America, Inc.) |
| .PVS | Parallels Desktop for Mac Virtual Machine Configuration File (Parallels, Inc.) |
| .PVS | PolyView Slide Show Script (Polybytes, Inc.) |
| .PVS | Scarlett Expert System Compiler Reserved Words File |
| .PVT | Local Fidonet Pointlist |
| .PVTI | ParaView Parallel (Partitioned) VTK Image Data (Kitware, Inc.) |
| .PVTK | ParaView Parallel (Partitioned) Legacy VTK File (Kitware, Inc.) |
| .PVTP | ParaView Parallel (Partitioned) VTK Polygonal Data (Kitware, Inc.) |
| .PVTR | ParaView Parallel (Partitioned) VTK Rectilinear Grid (Kitware, Inc.) |
| .PVTS | ParaView Parallel (Partitioned) VTK Structured Grid (Kitware, Inc.) |
| .PVTU | ParaView Parallel (Partitioned) VTK Unstructured Data (Kitware, Inc.) |
| .PVU | PaleoVu Paleoenvironmental Data |
| .PVW | Portfolio Saved View (Extensis, Inc.) |
| .PVX | ParaView Configuration XML File (Kitware, Inc.) |
| .PW | Professional Write Text File |
| .PW | Pathetic Writer Document (Ulric Eriksson) |
| .PW | Pointwise Database (Pointwise, Inc.) |
| .PWA | Password Agent File |
| .PWB | Password Boss Data File (Ammosoft Software) |
| .PWB | PhotoWeb Image File (Magnitude) |
| .PWC | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PWC | COSMI Street Maps and Vacation Planner |
| .PWC | Pulse Web Content (Pulse Entertainment, Inc.) |
| .PWCHECK | Unknown Apple II File (found on Golden Orchard Apple II CD Rom) |
| .PWD | TBAV File |
| .PWD | Pocket Word Document (Microsoft Corporation) |
| .PWD | Password Pro File |
| .PWD | Solid Edge Document (UGS PLM Solutions) |
| .PWD | AutoCAD Password (Autodesk, Inc.) |
| .PWD | Password Officer Password File (COMPELSON Trade s.r.o.) |
| .PWDER | Personal Passworder Database (DVAsoft) |
| .PWF | POD-Bot Waypoint File |
| .PWF | ProCite Workforms |
| .PWF | Power Writer Story File (ScriptPerfection Enterprises, Inc.) |
| .PWI | InkWriter/Note Taker/Pocket Word Document (Microsoft Corporation) |
| .PWI | PowerINSPECT Saved Format File (Delcam plc.) |
| .PWINSURED | Policy Works Insured File (Tec4 Systems Inc.) |
| .PWK | Password Keeper File |
| .PWL | Windows Password List (Microsoft Corporation) |
| .PWP | Smith Corona Word Processor File (Smith Corona) |
| .PWP | Seattle Film Works Multi-image File |
| .PWP | Professional WritePlus Document |
| .PWP | Photoworks Image File |
| .PWRK | Apple IIGS Image (Apple Inc.) |
| .PWS | ProWorks(DB) Start File (Everett Charles Technologies) |
| .PWT | HotDog PageWiz Template |
| .PWT | Password Tracker Deluxe Tracking List (Carl L. Roth) |
| .PWT | Pocket Word Template File (Microsoft Corporation) |
| .PWT | AutoCAD Publish-to-Web Template (Autodesk, Inc.) |
| .PWX | Poles 'n' Wires Registration Data File (PowerMation) |
| .PWZ | PowerPoint Wizard (Microsoft Corporation) |
| .PX | Pixel Image (Pavel Kanzelsberger) |
| .PX | Primary Index |
| .PX | Paradox Primary Database Index (Corel) |
| .PX | PC-Axis Family Statistical Data (Statistics Sweden) |
| .PX0 | Production Studio Patch File (Babya) |
| .PX1 | Image Pixel Paint |
| .PX1 | Production Studio Melody Sequence File (Babya) |
| .PXA | Pixia Color Painter File |
| .PXA | Pegs |
| .PXB | Pixibox |
| .PXC | MatrikonOPC Server Configuration File (Old) (Matrikon Inc.) |
| .PXC | PX-Edit Classifications (Statistics Finland) |
| .PXD | eJay Mixer File |
| .PXD | ProxyDesigner Design File (ProxySource, Inc.) |
| .PXE | Partial XML Envelope |
| .PXF | Tajima DG/ML Embroidery Design File (Pulse Microsystems Ltd.) |
| .PXF | STAR Transit Translation Project (STAR Medien AG) |
| .PXG | PixRef Pro Configuration File (Pi Shurlok Ltd) |
| .PXI | PlexTools CD Image (Plextor) |
| .PXI | Pixie File |
| .PXI | $$D2K.PXI associated with a Trojan |
| .PXJ | Pixtran File |
| .PXJ | Sonic RecordNow! Project (Hewlett-Packard Development Company, L.P.) |
| .PXK | PX-Edit Metadata (Statistics Finland) |
| .PXL | Pocket Excel Worksheet (Microsoft Corporation) |
| .PXL | Pixel Data of TeX Driver |
| .PXL | Pixclscript Script |
| .PXM | Pixel Magician Graphic |
| .PXM | PCSX Movie Capture Format |
| .PXM | Pixelmator Graphic (Pixelmator Team Ltd.) |
| .PXN | PictureWorks PhotoEnhancer Graphic Image |
| .PXN | Pixtran File |
| .PXN | Twain32 File |
| .PXO | PicoBackup Backup Script (Acubix) |
| .PXP | PhraseExpress Phrase File (Bartels Media GmbH) |
| .PXP | POD-Bot File |
| .PXP | 3D Studio Process File (Autodesk, Inc.) |
| .PXR | Pixar Picture |
| .PXS | Pegs |
| .PXT | PEST - The Professional Exam System Quiz Script (Vellosoft) |
| .PXT | Pocket Excel Template (Microsoft Corporation) |
| .PXT | Nte2000 File |
| .PXV | Pixbend Player Pixbend Media File (Nexilogic) |
| .PXW | Pixtran |
| .PXW | Twain32 File |
| .PXW | Tamarack ArtiScan Driver |
| .PXX | ProteXXion Suite Data File (Bayer Technology Services GmbH) |
| .PXY | Topocad (Chaos Systems AB) |
| .PY | Oracle Batch Procedure |
| .PY | Yahoo! Instant Messenger Saved Messages |
| .PY | Python Script or Library (Python Software Foundation) |
| .PY1 | ViewChoice (Payroll Associates, LLC) |
| .PY2 | ViewChoice (Payroll Associates, LLC) |
| .PYC | Python Compiler Script (Bytecode) (Python Software Foundation) |
| .PYD | Python Dynamic Module (Python Software Foundation) |
| .PYM | PYM Python Preprocessor Macro |
| .PYO | Python Optimized Code (Python Software Foundation) |
| .PYTHON | Python Script (Python Software Foundation) |
| .PYW | Python Script (Python Software Foundation) |
| .PZ | PNG Compressed File |
| .PZ2 | Curious Labs Poser Pose File |
| .PZ3 | Curious Labs Poser Document |
| .PZA | MGI PhotoSuite II/III/4 Album File (Sonic Solutions) |
| .PZC | GraphPad Prism Script |
| .PZD | Pocket Zone Drawing (The CAD Zone, Inc.) |
| .PZD | Pizazz Plus Defaults |
| .PZF | GraphPad Prism Project (GraphPad Software, Inc.) |
| .PZF | Piezoelectric Resonance Analysis Program (PRAP) Resonance Spectrum (TASI Technical Software Inc.) |
| .PZFX | GraphPad Prism Project (GraphPad Software, Inc.) |
| .PZH | Presto Job (Soft S.A.) |
| .PZI | Pizazz Plus Graphics File |
| .PZL | Lode Runner Game Puzzle |
| .PZL | Puzzle |
| .PZL | UNIX Puzzle Bitmap |
| .PZL | Jigs@w Puzzle (Tibo Software) |
| .PZM | GraphPad Prism |
| .PZO | Pizazz Plus Overlay |
| .PZP | Pizazz Plus Palette |
| .PZP | Jigs@w Saved Puzzle (Tibo Software) |
| .PZP | MGI PhotoSuite II/III/4 Project File (Sonic Solutions) |
| .PZS | MGI PhotoSuite II/III/4 Slide Show File |
| .PZS | Pizazz Plus Settings |
| .PZT | GraphPad Prism Template |
| .PZT | Pizazz Plus Transfer File |
| .PZX | Pizazz Plus Swap File |
| .PZZ | Curious Labs Compressed Poser File |