| Ext. | Description | Used by |
|---|---|---|
| P | Database PROGRESS source code | PROGRESS |
| P | PASCAL source code file | |
| P | Parser source code file | |
| P | Picture file | APPLAUSE |
| P | Rea-C-Time application parameter file | ReaGeniX code generator |
| P0? | Split archive UC2 | SAS.EXE |
| P10 | Tektronix Plot | GCGW |
| P10 | Certificate Request | |
| P12 | Personal Information Exchange | "Crypto Shell Extensions" |
| P16 | Music (16 channels) | ProTracker Studio 16 |
| P22 | Patch file (Patch22) | Patch22 |
| P80 | PLM-80 source | |
| P86 | PLM-86 source | |
| p2v | Backupfile of a project in eventplanning software plan2viz (windowsbased) | |
| P3T | PlayStation 3 Theme file | PS3 Theme settings menu |
| PA1 | Worktable | PageAhead |
| PAC | SBStudio II Package or Song | SBStudio II |
| PAC | STAD Image (graphics ?) | |
| PACK | ||
| PACKAGE | Contents | The Sims 2 - Spore - The Sims 3 |
| PAD | Automatic print definitions | Produa |
| PAD | Keypad definition | Telemate |
| PAF | For Personal Ancestral File data files | |
| PAGES | Pages document file | Pages (Apple iWork '08) |
| PAK | Archive | Pak |
| PAL | Palette file | Microsoft Draw - Win. Paintbrush - many |
| PAL | Palette file | Diablo II |
| PAN | Printer-specific file (copy to coreldrw.ink) | CorelDRAW |
| PAR | Parameter file | Fractint |
| PAR | PARTS application | Digitalk PARTS |
| PAR | Permanent output file | Windows 3.x |
| PAR | Parity Archive | |
| PAR2 | Parity Archive v2 | |
| PART | Part of a download file | |
| PAS | Pascal language source | Borland Pascal |
| PAT | Gravis Ultrasound Patch | Convert (c) Villena |
| PAT | Hatch patterns | AutoCAD - Photostyler |
| PAT | Vector fill files | CorelDRAW |
| PAT | Pattern File | Photoshop |
| PAT | GIMP pattern | |
| PB | Fax | FAXability Plus |
| PB | Phonebook | WinFax Pro |
| PB | Proboard Conf. files | Proboard |
| PB | Setup file | PixBase |
| PB1 | Document | First Publisher for Windows |
| PBA | Powerbasic BASIC source code | Genus |
| PBD | Phone book | FaxNOW! - Faxit |
| PBD | Molecule (protein data bank) | |
| PBI | Powerbasic include file | Genus |
| PBI | Profiler Binary Input | Microsoft Source Profiler |
| PBK | Microsoft Network Phone book | MSN |
| PBL | Powerbasic library | Genus |
| PBLIB | Power Library | PowerBASIC |
| PBM | PBM Portable Bit Map graphics format | Jasc Media C |
| PBM | Planar bitmap graphics | XLib |
| PBO | Profiler Binary Output | Microsoft Source Profiler |
| PBT | Profiler Binary Table | Microsoft Source Profiler |
| PC | Text file containing IBM PC specific info | |
| PC3 | Custom palette | Harvard Graphics 3.0 |
| PC8 | ASCII text IBM8 character set | NewWave Write |
| PCA | Perfect Clarity Audio | Sony Vegas Pro |
| PCB | P-CAD database | P-CAD, PCBExpress, and other Printed Curcuit Board design software |
| PCB | Artwork design file (Circuit board design) | Zuken CadStar |
| PCC | Cutout picture vector graphics | PC Paintbrush |
| PCD | Graphics format (Kodak Photo-CD) | |
| PCD | Kodak Photo-CD Image graphics file (768x512) | hpcdtoppm |
| PCF | Pixel Coordination Format | |
| PCH | Patch file | |
| PCH | Precompiled header | Microsoft C/C++ |
| PCJ | Multimedia authoring tool graphics file | IBM's Linkaway-Live |
| PCK | Pickfile | Turbo Pascal |
| PCL | HP-PCL graphics data file | HP Printer Control Language |
| PCM | OKI MSM6376 synth chip PCM | AWAVE |
| PCM | PCM | Authorware |
| PCS | Microsoft PowerPoint picture package | Microsoft PowerPoint - Microsoft ClipArt Gallery |
| PCS | PCSurvey file | PCSurvey by Softart - Land Surveying Software |
| PCT | Bitmap graphics file | Macintosh b&w PICT1 - color PICT2 |
| PCW | Text file | PC Write |
| PCX | PC paintbrush bitmap format | QPeg - Display - ZSoft - PC Paintbrush |
| PDA | Bitmap graphics | |
| PDB | Packrat 5.0 data file | Packrat 5.0 |
| PDB | container format (envelope) for Palm OS databases | Palm OS, Garnet OS, Access Linux Platform, e-book |
| PDB | debugging data | Microsoft Windows |
| PDB | Molecule (protein data bank) | |
| PDD | Adobe Photoshop Elements Image | Adobe Photoshop Elements |
| PDE | Pathology Data Exchange | |
| PDE | data | PowerDesk Encrypted |
| Adobe's Portable Document Format | Adobe Acrobat Reader | |
| Graphics file (ED-SCAN 24bit format) | ||
| Package Definition File | ||
| PCAD Database Interchange Format | Pdifin.exe - Pdifout.exe | |
| Print device information Netware | ||
| PDG | Print Shop Deluxe data file | |
| PDI | Portable Database Image | |
| PDL | Project Description Language file | Borland C++ 4.5 |
| PDM | Program | Deskmate |
| PDM | PowerDesigner's physical data model (relational model) file format | PowerDesigner |
| PDM | Visual Basic (VB) Project Information File | Visual Basic |
| PDN | Image file | Paint.NET |
| PDS | PALASM Design Description | |
| PDS | Pds graphics | |
| PDS | Planetary Data System Format | |
| PDS | Pldasm source code file (hardware assembly) | |
| PDV | Printer driver | Paintbrush |
| PDW | Document | Professional Draw |
| PEB | Program Editor bottom overflow file | WordPerfect Library |
| PED | Program Editor delete save | WordPerfect Library |
| PEM | Program Editor macro | WordPerfect Library |
| PEQ | Program Editor print queue file | WordPerfect Library |
| PER | Program Editor resident area | WordPerfect Library |
| PES | Program Editor work space file | WordPerfect Library |
| PET | Program Editor top overflow file | WordPerfect Library |
| pet | package | Puppy Linux |
| PEX | Proboard EXecutable file (Executed from PB) | Proboard |
| PFA | PostScript Font File | |
| PFA | Type 3 font file (unhinted PostScript font) | |
| PFB | Adobe Acrobat document | Adobe Acrobat Reader |
| PFB | PostScript font | Adobe Type Manager (ATM) |
| PFC | (Personal File Cabinet) contains e-mail, preferences and other personal information | AOL |
| PFC | Text file | First Choice |
| PFK | Programmable function keys | XTreePro |
| PFM | Windows Type 1 font metric file | |
| PFS | Database (PFS:FILE) - text file (PFS:Write) | PFS |
| PFT | Printer font | ChiWriter |
| PG | Page cut/paste file | IBM LinkWay |
| PGD | PGP cripted disk | |
| PGI | Printer Graphics File device driver | PGRAPH library |
| PGL | HP Plotter vector graphics format | |
| PGM | Graphics format (Portable GrayMap) | JASC Media C |
| PGM | Program | Signature |
| PGP | Support file | Pretty Good Privacy RSA System |
| PGS | Manual page | man4dos |
| PH | Optimized .goh file | Geoworks |
| PH | Perl header file | |
| PH | Phrase-table | Microsoft C/C++ |
| PHD | PolyHedra Database | |
| PHM | Phone book | DN - Lync |
| PHN | Phone list | UltraFax - QmodemPro |
| PHO | Phone database | Metz Phone for Windows |
| PHP | PHP file | |
| PHP3 | PHP 3 file | |
| PHP4 | PHP 4 file | |
| PHF | Database File | Nuverb Systems Inc: Donarius |
| PHR | Phrases | LocoScript |
| PI2 | Portrait Innovations High Resolution Encrypted Image file | Portrait Innovations Studio2 (proprietary) |
| PIC | 123 Vector graphics format | CShow - Alchemy - Paint (Pictor) |
| PIC | Bitmap graphics file | Macintosh b&w PICT1 - color PICT2 |
| PIC | Lotus picture | |
| PIC | PIXAR picture file | SDSC Image Tool |
| PICT | Macintosh Picture | |
| PIE | GlovePIE script file | GlovePIE |
| PIF | OS/2 graphics metafile | PICVIEW.EXE |
| PIF | Program Information File | Windows 3.x,9x,NT |
| PIF | Vector graphics GDF format file (IBM mainframe computers) | |
| PiM | Pascal Text Mode Image File | The Ultimate Draw |
| PIPE | PIPE-FLO project design file | PIPE-FLO Professional |
| PIT | Compressed Mac file archive created by PACKIT | unpackit.zoo |
| PIV | Pivot Stick Animator file | Pivot Stick Animator |
| PIX | Alias image file | SDSC Image Tool |
| PIX | Inset Pix | |
| PJ | Project | CA-SuperProject |
| PJT | Additional (FPT) project description file | FoxPro |
| PJX | Main (DBF) project description file | FoxPro |
| PK | PacKed bitmap font bitmap file (TeX DVI drivers) | |
| PK | Peak file | Cool Edit |
| PKL | Pickle file(for python(programming language) I/O) | |
| PK2 | Quake 2 data file | id Software |
| PK3 | Quake 3 data file | id Software |
| PK4 | Doom 3 and Quake 4 data file | id Software |
| PKA | Archive | PKARC |
| PKG | Installer script | Next, Mac OS X, Sony PS3 |
| PKG | P-CAD database | P-CAD |
| PKT | Fido message packet | FTN software |
| PL | Palette | Harvard Graphics |
| PL | Perl source code file | |
| PL | Prolog source code file | |
| PL | Property List font metric file | TeX |
| PL1 | Room plan | 3D Home Architect |
| PL2 | Palette | Diablo II |
| PL3 | Chart palette | Harvard Graphics 3.0 |
| PLA | Playlist | |
| PLB | FoxPro library | FoxPro |
| PLB | P-CAD library | P-CAD |
| PLC | Add-in file (functions - macros - applications) | Lotus 1-2-3 |
| PLC | P-CAD database | P-CAD |
| PLD | PhotoLine Document | PhotoLine image processing |
| PLE | Encrypted Chat Log | Messenger Plus! Live Plugin - Log viewer |
| PLIST | Mac OS Property List, also used on iOS, NeXTSTEP, and GNUstep | Apple's Property List Editor |
| PLL | Prelinked library | CA Clipper |
| PLM | DisorderTracker2 music module | AWAVE |
| PLN | Spreadsheet | WordPerfect for Win |
| PLP | Playlist | |
| PLP | Messenger Plus! Sound Pack | Messenger Plus! Live Plugin |
| PLS | Playlist file | WarpVision (OS/2) |
| PLSC | Messenger Plus! Script Pack | Messenger Plus! Live Plugin |
| PLSK | Messenger Plus! Skin Pack | Messenger Plus! Live Plugin |
| PLT | HPGL plotter file vector graphics | AutoCAD |
| PLT | Output file for ploter | |
| PLT | P CAD: Output file editor for PCPLOT or PCPRINT | P CAD |
| PLT | Page Magic 2.0 paper format | Page Magic 2.0 |
| PLT | Palette | |
| PLT | Table for .pll | CA Clipper |
| PLY | Data | PopMail |
| PLY | Presentation screen | Harvard Spotlight |
| PLY2 | Data | PLY2 object |
| PLY | ZipPack | |
| PM | Auran Jet progressive mesh file (obsoleted by IM and LM) | Trainz |
| PM | Perl module | |
| PM | Bitmap graphics | Presentation Manager |
| PM3 | PageMaker 3.0 data file | PageMaker 3.0 |
| PM4 | Document | PageMaker 4 |
| PM5 | Aldus PageMaker 5.0 publication | Aldus PageMaker |
| PMC | Graphics | A4TECH Scanner |
| PMI | OS/2 V3 SVGA PMI-File | Svga.exe |
| PMI | PhatPad note | PathWare |
| PMM | Program file | Amaris BTX/2 |
| PMP | PhotoMorph Project | PhotoMorph |
| PN3 | Printer device driver | Harvard Graphics 3.0 |
| PNG | Portable Network Graphics | |
| PNF | Pre-compiled Setup Information file | Microsoft Windows |
| PNM | PBM Portable aNy Map graphics file | |
| PNT | Macintosh painting | |
| PNT | Pointlist segment | FTN software |
| PNT | QWK reader pointer file | MarkMail 2.x |
| POF | Altera FPGA programming file (External Flash) | Altera Quartus |
| POH | Optimized .goh file | Geoworks |
| POL | InnovMetric Software Polygon Models Format | |
| POLICY | Group Policy File | Microsoft Windows |
| POLY | Data | Patrick Flynn's Poly Format - 3D object |
| POP | Messages index | PopMail |
| POP | Pop-up menu object | dBASE Application Generator |
| POT | Microsoft PowerPoint template | |
| POV | Raytraced graphics image | Persistence Of Vision |
| POW | Power Chords instrument/song file | Power Chords |
| PP | Amiga archive | POWERPACKER |
| PPA | Microsoft PowerPoint Add-in | |
| PPB | Button bar for Print Preview | WordPerfect for Win |
| PPD | PostScript printer description file | |
| PPJ | Premiere Project | Premiere |
| PPK | Archive (using for many distributives) | PPK |
| PPL | PolaroidPalettePlus ColorKey device driver | Harvard Graphics 3.0 |
| PPM | Graphics format (Portable PixelMap) | JASC Media C. |
| PPO | Preprocessor output | CA Clipper 5.* |
| PPP | Publication | PagePlus |
| PPS | Storyboard | Personal Producer |
| PPS | Microsoft PowerPoint Slideshow (stand alone slideshow) | |
| PPT | Microsoft PowerPoint Presentation | Microsoft PowerPoint |
| PPTX | MS Office Open-XML Presentation | Microsoft PowerPoint |
| PPSX | MS Office Open-XML Auto-Play Presentation | Microsoft PowerPoint |
| PR1 | Packrat 4.0 data file | Packrat 4.0 |
| PR2 | Packrat 4.x data file | Packrat 4.x |
| PR2 | Presentation | Aldus Persuasion 2.x |
| PR2 | Printer driver | dBASE IV |
| PR3 | PostScript printer driver | dBASE IV |
| PR3 | Presentation | Aldus Persuasion 3.x |
| PRC | container format (envelope) for Palm OS databases | Palm OS, Garnet OS, Access Linux Platform, Mobipocket |
| PRC | "Product Representation Compact", for embedding 3D data in a PDF file | CAE and CAM applications |
| PRD | Printer driver | |
| PRE | Presentation | Freelance Graphics |
| PRE | Settings | Programmer's WorkBench, Microsoft C/C++ |
| PRE | Stork graphic file | |
| PRF | CheckIt Pro v1.0 data file | CheckIt Pro 1.0 |
| PRF | Pixel Run Format graphics file | Improces - Fastgraph |
| PRF | Printer driver | dBASE IV |
| PRF | Profiler output | |
| PRG | Program source code (e.g. Clipper language) | CA Clipper |
| PRG | Program source | dBASE IV - FoxPro - Clipper 5 - dBFast |
| PRG | Program | Atari |
| PRI | Printer definitions | LocoScript |
| PRJ | Borland C++ IDE project file | BC.EXE - BCW.EXE |
| PRK | SimPark Saved File | SimPark |
| PRM | Parameters | |
| PRN | Printer driver | Signature |
| PRN | Text file | Lotus 1-2-3 - Symphony |
| PRN | Usually printer output file | |
| PRO | Profile | used by many programs to store configuration data |
| PRO | Graphics profile file | DOS |
| PRO | Proboard conf. file | Proboard |
| PRO | Punch! Home Design File | Punch! Home and Landscape |
| PRO | Prolog language source | |
| PRO | PROLOG source code file | |
| PROJ | Project File (Interface Builder) | NeXT |
| PROPERTIES | Java properties file | Java applications |
| PROTO | Message specification | Google Protocol Buffers |
| PRR | The Perfect Resume data file | Perfect Resume |
| PRS | Norton Viewer DLL file | |
| PRS | Presentation | Harvard Graphics Win |
| PRS | Printer Resource e.g. fonts | WordPerfect for Win |
| PRS | Procedure | dBASE IV |
| PRT | P-CAD component | P-CAD |
| PRT | Part or Drawing | Cadkey |
| PRT | Printer driver | Dr. Halo |
| PRX | Compiled program | FoxPro |
| PS | Document in PostScript format | adobe |
| PSA | Archive (Pretty Simple Archive) | PSA.OUT (GNU) |
| PSB | For big Photoshop files | Photoshop Document |
| PSD | Design II for Windows Process Simulation Diagram | |
| PSD | Periscope Debbuger Def file | Periscope |
| PSD | Photoshop bitmap file | Photoshop document |
| PSE | see PSEG | |
| PSEG | Bitmap graphics | IBM printer Page SEgment |
| PSF | Outline PostScript printer font | ChiWriter |
| PSM | Music format (Protracker Studio Module) | Protracker - MASI |
| PSM | Symbol table of IDE | Turbo Pascal |
| PSM | 3D Model | 18 Wheels Of Steel |
| PSN | Presentation file for Sound Script | Win |
| PSP | image file with layers | Paint Shop Pro (all versions) |
| PSQ | Premiere Sequence | Premiere |
| PST | Postbox file | BMail |
| PST | Archive File | Microsoft Outlook |
| PSV | PlayStation 2/PlayStation 3 saved game | PlayStation 2 and PlayStation 3 |
| PSW | File w/ passwords for any program/game | many |
| PT | Game crack | Player Tools |
| PT | Kodak Precition Color Management System | |
| PT3 | Device driver | Harvard Graphics 3.0 |
| PT3 | Template | PageMaker 3 |
| PT4 | Template | PageMaker 4 |
| PT5 | Aldus PageMaker 5.0 publication template | Aldus PageMaker |
| PTB | Power Tab Software | Power Tab Editor |
| PTB | Script | PubTech BatchWorks |
| PTF | PlayStation Portable Theme file | PSP Theme settings menu |
| PTF | Pro Tools Session File | Digidesign Pro Tools |
| PTG | Panasonic Title Graphics | |
| PTL | Premiere Title | Premiere |
| PTM | Macro | PubTech BatchWorks |
| PTM | Music format | |
| PTM | Page Magic 2.0 template | Page Magic 2.0 |
| PTN | Pattern | Cadkey |
| PTN | Pattern | CarveWright/CompuCarve Designer |
| PTR | OS/2 cursor image file | ICONEDIT.EXE |
| PTR | QWK reader pointer file | QMail |
| PTU | Performer Terrain Utilities | |
| PUB | Package File | Exstream Dialogue |
| PUB | Page template | Microsoft Publisher |
| PUB | Public key ring file | Pretty Good Privacy RSA System |
| PUB | Publication | Ventura Publisher - 1st Publisher |
| PUD | Warcraft II Map file | Warcraft II |
| PUT | Archive | PUT |
| PUT | Graphics format | WScan |
| PVD | Script | Instalit |
| PVL | Library | Instalit |
| PVM | Texture Files | PVMEdit |
| PVT | Local Fidonet pointlist | FTN software |
| PW | Text file | Professional Write |
| PWF | Workflow Files | Mac OS X Server Podcast Producer |
| PWK | Workspace File | PolyWorks |
| PWL | Password List | |
| PWP | Text document | Professional WritePlus |
| PX | Paradox 3.0 file | Paradox 3.0 |
| PXP | 3DS Process file | 3D Studio |
| PXR | Pixiar Picio | AltamiraComposer |
| PXZ | Compressed file to exchange media elements | PSALMO |
| PY | Python script file | Python interpreter |
| PYC | Compiled Python module | Python interpreter |
| PYD | Python DLL | Python interpreter |
| PYI | Cognos Powerplay Model | |
| PYO | Optimized compiled Python module | Python interpreter |
| PZD | Default settings | Pizazz Plus |
| PZI | Graphics format | PZP |
| PZO | Overlay file | Pizazz Plus |
| PZP | Palette | Pizazz Plus |
| PZS | Settings | Pizazz Plus |
| PZT | Transfer file | Pizazz Plus |
| PZX | Swap file | Pizazz Plus |
Read more about this topic: List Of File Formats (alphabetical)