List of filename extensions (M–R)

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This alphabetical list of filename extensions contains standard extensions associated with computer files.

A–E[edit]

F–L[edit]

M[edit]

Ext. Description Used by
M Mathematica Package File Mathematica
M MATLAB M-File MATLAB
M Mercury Source File Mercury
M Source code Objective-C
M2 WoW Model Object file Blizzard Entertainment games (World of Warcraft/Warcraft series)
M2TS MPEG 2 Transport Stream Various media playback devices / software
M3U M3U playlist file Winamp, XMMS
M3U8 Unicode version of M3U playlist file (UTF-8) Winamp, XMMS
M4 m4 macro file
M4A Advanced Audio Coding
M4r iPhone ringtone iTunes and iOS devices
M7P Multilizer 2007 and 2009 localization project file Multilizer
M8M 8MAM8 Model File
MAFF Mozilla Archive Format Mozilla Firefox (with add-on)
MAI Mail VAX
MAK Makefile
MAK Project file VB – VC ++
MAN User guide (manual)
MANAGER Accounting data file Manager – free accounting software
MAP Color palette file
MAP Format data Micrografx Picture Publisher
MAP Linker map file
MAP Map file (usually created by compilers)
MAP Map Atlas MapMaker
MAP Network map AccView
MAP Game map for Duke Nukem 3D
MAR Assembly program VAX Macro
MAR Microsoft ARchive MSN Explorer (possibly other Microsoft products too)
MAR Mozilla ARchive Mozilla Updater (used to house binary updates to products)
MAS SmartMaster set Freelance Graphics
MAT Data MATLAB
MAT Microsoft Access Table Microsoft Access
MAX MAX source code file
MAX Pfaff Embroidery Format Embroidermodder
MB Memo field values for database Paradox
MBK Multiple index file backup dBASE IV
MBP Metadata .mobi (Mobipocket)
MBR Master Boot Record File GRUB
MBX Mailbox data Eudora/ZERBERUS
MCA Minecraft "Anvil" world format Minecraft 1.2 and onward
MCC Configuration file Mathcad
MCD MathCad file MathCad
MCF Font file Mathcad
MCF Photo book or photo calendar layout file FotoInsight Designer
MCF Multimedia Container Format (predecessor of Matroska)
MCI MCI command script Media Control Interface
MCL Multi Edit macro library Multi Edit
MCL Cartesian manipulator for laser systems
MCP Application script Capsule
MCP Printer driver Mathcad
MCR Minecraft saved world "region" file Minecraft (up to 1.1)
MCW Text file MacWrite II
MD Archive mdcd10.arc
MD Markdown-formatted text file Markdown
MD2 Quake 2 Model File id Software
MD3 Quake 3 Model File id Software
MD5 Doom 3 and Quake 4 Model File id Software
MD5 MD5 checksum md5sum, Total Commander
MDA Data Microsoft Access
MDA Microsoft Access system database Microsoft Access
MDB Microsoft DataBase Microsoft Access
MDF Media Descriptor File, binary files in which the actual disc (CD/DVD) data is stored Alcohol 120%
MDF Master Data File, a Microsoft SQL Server file type Microsoft SQL Server
MDF Measurement Data Format, a binary file format for vector measurement data automotive industry, developed by Robert Bosch GmbH
MDL Model 3D Design Plus or Simulink
MDL Spreadsheet CA-Compete!
MDL GoldSrc Model File (Quake-Based Engine) Valve Corporation
MDL Source Engine Model File Valve Corporation
MDL Quake 1 Model File id Software
MDL Nintendo GameCube Luigi's Mansion Model Nintendo
MDM Modem definition file TELIX
MDMP Mini dumpfile
MDR Microdrive file ZX Spectrum emulator by g.a.lunter
MDS Midi Session Sound Imp.
MDT Data table Microsoft ILink incremental linker
MDX Multiple index file dBASE IV
MDZ Text description of music module Cubic Player – Cross-View
ME MultiEdit configuration MultiEdit
ME Text file READ.ME
MEB Macro Editor bottom overflow file WordPerfect Library
MEC MECCA source Maximus
MED Macro Editor delete save WordPerfect Library
MED Music format MED/OctaMED
Mediawiki Wiki markup most wikis
MEM Macro Editor macro WordPerfect Library
MEM Memory variable save file dBASE IV – FoxPro – Clipper
MEM Memos datafile Clarion
MEM Mnemosyne database Mnemosyne; other spaced repetition software
MEQ Macro Editor print queue file WordPerfect Library
MER Macro Editor resident area (vakioalue) WordPerfect Library
MES Macro Editor work space file WordPerfect Library
MES Message
MET Document Omnipage Pro
MET Macro Editor top overflow file WordPerfect Library
MET OS/2 graphics metafile PICVIEW.EXE
MEU Menu group DOS Shell
MEX Macro Editor expound file WordPerfect Library
MEX MEX file (executable command) Matlab
MF Metafont file TeX
MFA Source code file Multimedia Fusion 2 / The Games Factory 2
MFF MIDI Cakewalk, MTPro 4
MFM Music format DMP
MGF Font Micrografx
MGF Materials and Geometry Format
MGX Designer 4.1 Drawing Designer 4.1
MHT Web Archive Single File
MIB Snmp MIB file
MID Standard MIDI file music synthetizers, Winamp
MIDI See MID
MIFF Magick Image File Format
MII Datafile MicroStat-II
MIME Message in MIME format (RFC822)
miniUSF Nintendo proprietary MIDI file format for the Reality Signal Processor (Nintendo 64) Nintendo 64 games
MIO MyInfo topic Milenix MyInfo
MIS Mission, used by many games
MIT Mitsubishi Embroidery Format Embroidermodder
MIX Object file Power C
MJS JavaScript Module
MK Makefile
MKE Makefile Microsoft Windows SDK
MKG Makefile
MKI Graphics format (Japan MKI)
MKI Japanese graphics MAKIchan format MagView 0.5
MKS Data TACT
MKV Matroska Multimedia Container Media Player Classic, Windows Media Player, Matroska Splitter
ML3 Project Milestones 3.x
MLB Macro library file RT-11, Symphony
MLI 3DS Materials Libraries 3D Studio
MLRAW Data Moonlight Creator RAW format 3D object
MLV LabVIEW MathScript
MM Text file MultiMate Advantage II, FreeMind mind map file (XML)
MM Source code Objective-C++
MMF Mail message file Microsoft Mail
MMM Multimedia movie file, RIFF RMMP format MacroMind Director 3.x
MMO Memo writer file RapidFile
MMP Output video format from Bravado board
MN MuPAD Pro Notebook Workspace file of MuPAD (integrated in Matlab)
MND Menu source AutoCAD Menu Compiler
MNG Map DeLorme Map'n'Go
MNT Additional (FPT) menu description file FoxPro
MNT Menu memo FoxPro
MNT Surface metrology or image analysis document MountainsMap
MNU Advanced macro file HP NewWave
MNU Menu AutoCAD Menu Compiler – Norton Commander – Signature
MNU Microsoft Mouse menu (for DOS apps)
MNX Compiled menu file AutoCAD
MNX Main (DBF) menu description file FoxPro
MNY Account book Microsoft Money
MO? Packed mail FTN software
MOB Device definition file PEN Windows
MOBI eBook Mobipocket
MOD AMPL model file AMPL
MOD Modula language source
MOD MODULA-2 source code file Claridiv id="MDZ"> MDZon Modula-2
MOD Module—used by Windows for DLL which implement DOS support Win
MOD Music format (Amiga module) DMP – ST – MDP – VP
MOL MOD4WIN PlayList Mod4Win
MOL MDL Molfile RasMol
MOL2 Tripos’ Sybyl MOL2 Format SYBYL, RasMol
MON SYSGEN monitor build procedure RT-11
MON Monitor description ReadMail
MOP MOPAC input file MOPAC, RasMol
MOV Animation format (Mac) QuickTime
MOV Movie file AutoCAD AutoFlix
MP2 Mpeg audio file Winamp, xing
MP3 MPEG audio stream, layer 3 AWAVE, CoolEdit(+PlugIn), Winamp, many others
MP4 multimedia container format, MPEG 4 Part 14 Winamp
MPA MPEG audio stream, layer 1,2,3 AWAVE
MPC Calendar file Microsoft Project
MPC Musepack audio
MPEG multimedia containter format, video, audio MPEG Player, Winamp
MPG see MPEG
MPKG Multipackage installer script Mac OS X
MPL MediaRack Midi Playlist MediaRack
MPM MathPlan macro WordPerfect Library
MPP Project file Microsoft Project
MPPZ MagicPlot project file MagicPlot
MPQ Mo'PaQ Archive Blizzard games
MPR Generated executable menu file FoxPro
MPR Multilizer 5.x and 6.x localization project file Multilizer
MPR Command & Conquer: Red Alert 2 map file Red Alert 2
MPT Bitmap graphics (Multipage TIFF)
MPV View file Microsoft Project
MPX Compiled executable menu file FoxPro
MPX Video format
MPZ Miradi Project Zipfile Miradi
MQ4 MetaQuotes Language 4 (MQL4) source code file MetaTrader 4
MQ5 MetaQuotes Language 5 (MQL5) source code file MetaTrader 5
MQH MetaQuotes Language (MQL4 or MQL5) header file MetaTrader 4, MetaTrader 5
MRB Multiple Resolution Bitmap graphics file Microsoft C/C++
MRC mIRC file mIRC
MRK Windows User Benchmark Win95
MRS Macro Resource file WordPerfect for Win
MS Microsoft antivirus report MSAV
MSC Microsoft C makefile
MSC management saved console[1] Microsoft; Microsoft MMC[2]
MSD Secure and Encrypted File mysecuredelivery/Download
MSDL Manchester Scene Description Language
MSDVD Windows DVD Maker Project Windows DVD Maker
MSE Set file Magic Set Editor
MSG Message base (e.g. HMB)
MSG Message text file (ASCII) Microsoft Outlook
MSG ZVoice digitized voice file
MSI Windows Installer Package Windows Operating Systems
MSO Microsoft Word OLE Web Page Storage Stream Microsoft Office
MSO Microsoft Outlook metadata for a Microsoft Word 2000 email attachment[3] Microsoft Outlook
MSP Bitmap graphics file Microsoft Paint
MSP Graphics format Microsoft Paint
MSPRODUCER Media Project Microsoft Producer (for Microsoft PowerPoint XP/2003) Project
MSQM data Microsoft Message Queuing
MSN Project National Instruments for NI MultiSim-Electronic Circuit simulator
MSS Manuscript text file Perfect Writer – Scribble – MINCE – Jove
MST Document MS Test
MST Minispecification file Prosa
MST Setup script file Microsoft Windows SDK
MSW Text file Microsoft Word
MSX CP/M archive MSX
MTH Math file Derive
MTL Wavefront
MTM Music format MultiTracker
MTS Master Track Pro Files MTPro 4
MTS data EA Sports F1 series, car physics
MTS MPEG 2 Transport Stream Various media playback devices / software
MTV MTV Ray Tracer graphic file
MTW Datafile Minitab
MU Quattro pro for DOS Menu definition file Quattro Pro
MUM MATLAB CAPE-OPEN Unit Operation Model file Matlab
MUM Microsoft update file Microsoft
MUS Finale music document Finale
MUS Music format (MIDI in Doom)
MUS Sound file MusicTime
MUZ Hover Game MIDI File Windows' Hover! Game[4]
MVF Stop frame file AutoCAD AutoFlix
MVI Movie command file AutoCAD AutoFlix
MVO Data Mad Virgin 3D object
MVW Log file Saber LAN
MWF Animation ProMotion
MWS MWave DSP synths instrument AWAVE
MXF Material exchange format (RFC 4539, SMPTE 377M)
MXL PackRat 5.0 support DLLs PackRat 5.0
MXM Material Maxwell Render
MXP Adobe Extension File Adobe Dreamweaver and Adobe Flash
MXP 3ds Max Configuration File 3ds Max
MXP MasterCook exported recipe
MXT Data Microsoft C
MYD a MyISAM data file in MySQL MyISAM, MySQL
MYP Presentation MM Make Your Point
MZ Binary-format Map MazeEdit
MZE Text-format Map MazeEdit
MZG Binary-format Map Collection MazeEdit
MZX Binary-format Encrypted Map MazeEdit

N[edit]

Ext. Description Used by
NAM Name Space Modules Novell NetWare
NAP Naplps file (VideoShow) EnerGraphics
NAPLPS North American Presentation Layer Protocol Syntax
NB Text file Nota Bene
NB Wolfram Mathematica Notebook (see Wolfram Language) Mathematica
NBF Nokia Backup File Nokia Mobile Phones
NBS Minecraft Note Block Studio file Minecraft Note Block Studio
NC Binary Data netCDF software package
NC Instructions for NC (Numerical Control) machine CAMS
NC Non-error checking preprocessed Goc source code Geoworks
NCC CNC (Computer Numeric Control) control file CamView 3D
NCD NC Drill File (Excellon Format, printed circuit board hole definitions) Most PCB layout software
NCD Norton Change Directory support file Norton Commander
NCP Re-volt Collision file Re-volt
ND NetConnect data file. Contains information on multi-user access to the company file. Intuit QuickBooks
NDB Network database Intellicom - Compex
NDS Nintendo DS ROM file used for Homebrew and commercial (Game) files on DS Nintendo DS
NDL Nodelist file
NDX Index file dBASE II - III - IV - dBFast
NEF Nikon RAW image format Nikon cameras
NEIS Korean Student Record Document 학교생활기록부 작성 프로그램(Student Record Writing Program)
NEO Raster graphics file Atari Neochrome
NES iNES ROM image format
NET Network configuration/info file
NEU Pro/Engineer neutral file format PTC Pro/Engineer
netCDF Network Common Data Format
NEW Ameco Embroidery Format Embroidermodder
NEW New info
NFF Haines Neutral File Format
NFF WorldToolKit Neutral File Format
NFO Folioview database
NFO Help format Nextpage Folio
NFO Info file Compact NFO Viewer
NG Hypertext Database Norton Guide
NGC G-Code file Inkscape G-Code tools extension
NGO NG linker object file NGML
NGS NG compiler source file NGC
NIF netimmerse/gamebyro file
NIL NIL Icon Hear-It
NITF National Imagery Transmission Format
NK2 e-mail address autocomplete archive Microsoft Office Outlook
NL Norton Desktop Icon Library
NLM Netware loadable module Novell Netware
NLS National Language Support file MS-DOS
NLX Form FormWorx 3.0
nmf Node Map File Used by SpicyNodes
nnn Arj archive volumes up to 999 ARJ
nnn Netware unicode rule table (e.g. 1250_Uni.036) Novell Netware
nnn News about smth with ext. of ver. number
nnn RAR archive volumes up to 999 RAR
NOT Notation
NOT Yard Notes File FYM
NOTE Notability Note File Notability
NP Project schedule (Nokia Planner) Nokia Planner
NPI Source for DGEN.EXE interpreter dBASE Application Generator
NPJ Nile Project Game Mission Editor
NPR Nuendo Project File Steinberg Nuendo
NRG Nero Disc Image File Nero Express / Burning ROM
NRW Nikon Coolpix RAW image Nikon
NSA media Nullsoft Streaming Audio
NSF database Lotus Notes
NSF Music module NES Sound File
NSS Norton screensaver module NC - NDW Screen Saver
NST Music module Amiga Noise Tracker
NSV media Nullsoft Streaming Video
NSX Compound index file SuccessWare SIX 3.00
NT Startup files Windows NT
NT3 BAHN Layout file JBSS BAHN
NTF database design template Lotus Notes
NTH Nokia Theme File Nokia PC Suite
NTR Executable ASCII text file (strip header and rename) netrun31.zip
NTS Executable ASCII text file (strip header and rename) netsend1.zip
NTS Tutorial Norton
NTX Database index file Clipper 5
NUF Message for new users on their 1st call Procomm Plus
NUMBERS Numbers spreadsheet file Numbers (Apple iWork '08)
NV NewViews DOS accounting database QW Page NewViews
NV2 NewViews accounting database QW Page NewViews
NWC Note Worthy document Note Worthy
NWS Info text file (latest news) (ASCII)
NXT Sound (NeXT format)

O[edit]

Ext. Description Used by
O$$ Outfile Sprint
O Object file UNIX - Atari - GCC
O01 Typhoon vOice file AWAVE
OAZ Fax NetFax Manager
OB Object cut/paste file IBM LinkWay
OBD Microsoft Office Binder MSOffice
OBJ Compiled machine language code
OBJ Object code Intel Relocatable Object Module
OBJ Wavefront Object
OBJF Data Triangle strips object
OBR Object browser data file Borland C++
OBS Script ObjectScript
OBT Microsoft Office Binder Template MSOffice
OBV Visual interface ObjectScript
OBZ Microsoft Office Binder Wizard MSOffice
OCF Object Craft File Object Craft
OCD OCAD Map File OCAD
OCR Incoming fax transcribed to text FAXGrapper
OCT Musical file Octalizer
OCX New Custom Control's format in VB 4.0 Visual Basic
OCX OLE custom control
ODB OpenDocument database LibreOffice Base
ODF OpenDocument formula LibreOffice Math
ODG OpenDocument drawing LibreOffice Draw
ODIF Open Document Interchange Format
ODL Object Description Language
ODL Type library source Visual C++
ODM OpenDocument master document LibreOffice Writer
ODP OpenDocument presentation LibreOffice Impress
ODS OpenDocument spreadsheet LibreOffice Calc
ODT OpenDocument text document LibreOffice Writer
OEACCOUNT XML format, account files Microsoft e-mail software: Outlook Express, Windows Mail, Windows Live Mail, Microsoft Outlook
OFD Form definition ObjectView
OFF Object File Format vector graphics file
OFF Object File Format vector graphics
OFM PostScript font description file
OFN Microsoft Office documents Microsoft Office
OGG Ogg multimedia container format
OHB Source On Hand Basic
OHS Outbound History Bink/+
OIF QuickBase file format
OKT Music (8 channels) Oktalyzer
OKT Music format Oktalyzer
OLB Object library VAX
OLD Backup file
OLI Text file Olivetti
OLSR Configuration file olsrd
OMA Audio file Labelgate CD 2, MAGIQLIP2
OMG Audio file Sony compressed audio file (ATRAC3)
OMF Open Media Framework Avid Media Composer
OOF Data Outrage 3D Object Format (Descent)
OOG Data WEBOOGL 3D object
OOM Swap file Shroom
OPJ Origin Project File Origin version 4.1 and later
OPN Active options Exact
OPT Options name used by many programs for configuration information
OPT Delphi project options Borland Delphi
OPT Optimize support file QEMM
OPUS Ogg/Opus audio file mpv, mplayer, many others (official file format).
OPW Organization chart Org Plus for Windows
OPX Inactive options Exact
ORA Parameter file Oracle
ORC Orchestra MIDI file CSound
ORG Calendar file Lotus Organizer
ORG Older Origin Project Origin versions 4 or earlier
OSK osu! skin osu!
OSR osu! replay osu!
OST Offline Storage Table Microsoft e-mail software: Outlook Express, Microsoft Outlook
OSZ osu! beatmap osu!
OTG OpenDocument drawing template LibreOffice Draw
OTB Over-the-air bitmap graphics
OTF Subtitle font information for media content Media players / software which support PGS subtitling
OTH OpenDocument HTML document template LibreOffice
OTL Outline font description Z-Soft Type Foundry
OTL Ventura Publisher's Type Foundry Outline Editor format
OTL The Vim Outliner A vim plugin
OTP OpenDocument presentation template LibreOffice Impress
OTS OpenDocument spreadsheet template LibreOffice Math
OTT OpenDocument text document template LibreOffice Writer
OTX Text file Olivetti Olitext Plus
OUT Output file
OUT Design II for Windows Output file
OVA Open Virtualization Format package for packaging and distributing virtual appliances
OV1 Overlay file (part of program to be loaded when needed)
OV2 Overlay file (part of program to be loaded when needed) TomTom Point of Interest
OVD Datafile ObjectVision
OVF Open Virtualization Format descriptor file, an XML file which describes the virtual machine packed inside an OVF package
OVL Overlay file (part of program to be loaded when needed)
OVR Overlay file (part of program to be loaded when needed)
OXT OpenOffice.org extension OpenOffice.org / LibreOffice

P[edit]

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
PAM PAM Portable Arbitrary Map graphics format Netpbm
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
PCD Pfaff Embroidery Format Embroidermodder
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 Command Language
PCM OKI MSM6376 synth chip PCM AWAVE
PCM PCM Authorware
PCM Pfaff Embroidery Format Embroidermodder
PCQ Pfaff Embroidery Format Embroidermodder
PCS Microsoft PowerPoint picture package Microsoft PowerPoint - Microsoft ClipArt Gallery
PCS PCSurvey file PCSurvey by Softart - Land Surveying Software
PCS Pfaff Embroidery Format Embroidermodder
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, XnView
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
PDE source code file Processing programming language
PDF Adobe's Portable Document Format Adobe Acrobat Reader
PDF Graphics file (ED-SCAN 24bit format)
PDF Package Definition File
PDF PCAD Database Interchange Format Pdifin.exe - Pdifout.exe
PDF Print device information Netware
PDG Print Shop Deluxe data file
PDI Portable Database Image
PDI Protected Digital Identity SertintyONE
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[5] 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 Filing Cabinet) contains e-mail, preferences and other personal information AOL
PFC Text file First Choice
PFK Programmable function keys XTreePro
PFM PostScript Type 1 font metric file Microsoft Windows, Adobe Acrobat Reader
PFM Windows Type 1 font metric file
PGN Portable Game Notation -Text specification for Chess game Most chess playing computer applications
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
PIT Partition Information Table for Samsung's smartphone with Android Odin3
PIT File used to connect to a remote system. Dell (previously Quest) vWorkspace
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 Python object serialization
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
PL IRAF pixel list IRAF astronomical data format
PL1 Room plan 3D Home Architect
PL1 PL/I source file PL/I compilers
PL2 Palette Diablo II
PL3 Chart palette Harvard Graphics 3.0
PLA Playlist
PLANTUML UML Diagram (also PU) PlantUML
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
PLI PL/I source file PL/I compilers
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
PLY ZipPack
PLY Polygon File Format or the Stanford Triangle Format. 3D Scanners
PLY2 Data PLY2 object
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
PMA PMarc Archive
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
PNCL Pinnacle file Pinnacle by Optys Tech Corporation
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
POD UNIX perldoc File ("Plain Old Documentation") pod2man, pod2html
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
PRJ Mkd (Unix command) Mkd project file to extract documentation
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 PyMOL session[6]
PSE Truncated form of PSEG (see below)
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
PTPED PedFast Technologies Pedigree Database[7] The Breeder's Standard, iPed, The Cattery's Standard, Equestrian's Standard
PTR OS/2 cursor image file ICONEDIT.EXE
PTR QWK reader pointer file QMail
PTU Performer Terrain Utilities
PTX Pro Tools 10 session file Avid Pro Tools
PU UML Diagram (also PLANTUML) PlantUML
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
PVK Private Key File Microsoft Authenticode
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
PYK PYK Compressed File PYK
PYO Optimized compiled Python module Python interpreter
PYW Python Script Without Console Window 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

Q[edit]

Ext. Description Used by
Q0 Q0 graphic file
Q3S Data Quick3D Scene
QAG Quick Access Group Norton Desktop
QAP Application Omnis Quartz - Omnis Studio
QB Tony Hawk's Pro Skater series scripting files
QBB Quickbooks Backup File
QBE Saved query (Query By Example) dBASE IV - Quattro Pro
QBO Compiled query dBASE IV
QBW Spreadsheet QuickBooks for Windows
QCH Qt Compressed Help Trolltech Qt Assistant
QCP Mp3 extension on Motorola ringtones Motorola Phones
QDF Data file Quicken data file
QDK Backup of startup files created by Optimize QEMM
QDn Data file - segment n Omnis Quartz- Omnis Studio
QDV Graphics file Steve Blackstock Giffer
QDR Configuration file Q-Dir
QEF Query file Q+E for Microsoft Excel
QFX Quicken-specific implementation of the OFX specification Intuit Quicken
QFX Fax QuickLink
QG3 Data QuickMem Greek
QHC Qt Help Collection Trolltech Qt Assistant
QHCP Qt Help Collection Project Trolltech Qt Assistant
QHP Qt Help Project Trolltech Qt Assistant
QIF Quicken Interchange Format Intuit Quicken
QIZ World book quiz World Book
QLB Quick library Microsoft C/C++
QLC ATM Type 1 fonts script Adobe Type Manager
QLP Printer driver QuickLink
QM4 Options or services file QMail 4.x Mail Door
QPR Generated query program FoxPro
QPR Print queue device driver OS/2
QPX Compiled executable QBE query file FoxPro
QRP Database report file QuickReport

[8]

QRS Equation Editor support file WordPerfect for Win
QRT Graphics format (QRT ray tracing)
QRY Query dBASE IV
QT QuickTime movie (animation)
QTVR QuickTime VR Movie
QUOX Question Object Document Quobject Designer and Quobject Explorer
QVD QlikView Document (Data) QlikView Compressed Database File
QVW QlikView Document (View) QlikView Presentation File
QWK QWK reader message file
QXD Document QuarkXPress
QXL Element library QuarkXPress

R[edit]

Ext. Description Used by
R Ratfor file
R Script file R
R00, R01, ... Part of a multi-file RAR archive
R2D Reflex 2 datafile Reflex 2
R3D Red Raw Video (raw video data created with a Red camera) Red Camera
R8 Raw graphics file (one byte per pixel) plane one PicLab
R8P PCL 4 bitmap font file Intellifont
RA Remote Access conf. files RA
RA0, RA1, ... Part of a multi-file RAR archive
RAD 2-op FM music Reality AdLib Tracker
RAD Radiance
RAL Remote Access Language file Remote Access
RAM Ramfile RealAudio
RAR Archive RAR
RAS Graphics format SUN Raster
RAT Datafile (RATS)
RAW HSI raw graphic file
RAW PCM Signed Raw Sound File
RAW QRT graphic file
RAY Rayshade
RB Ruby Script file
RBF Datafile Rbase
RBXM ROBLOX "model" ROBLOX
RBXL ROBLOX "level" ROBLOX
RC Configuration file emacs
RC Resource Compiler script file Microsoft C/C++, Borland C++
RC Resource Script Resource Writer
RC UUPC configuration files UUPC
RC Windows resource compiler script RC.EXE -Resource WorkShop - OS/2
RCG Netscape newsgroup file (netsc.rcg)
RCT Roller Coaster Tycoon
RData Data file R
RDF Compiled UIC source code Geoworks UI Compiler
RDI Device-independent bitmap file (RIFF RDIB format)
RDP RDP connection Remote Desktop connection
RDX Datafile Reflex
REC Archivation protocol ARCSERVE
REC Datafile EpiInfo
REC Record file Sprint
REC Windows Recorder Macro File WinRecorder
RED Path info Clarion Modula-2
RED REDuced nodelist file T-Mail nodelist Compiler
REF Cross-reference
REG OLE Registration file Windows 3.x
REG Registration information or key
REL Foreground job relocatable file RT-11
REM Remarks definition Sourcer
REM Remarks
REP QWK reader reply file
REP Report file used by many applications
REP Report Report Designer - CodeReporter - DataBoss
REQ File request FTN Software
RES Compiled resource Microsoft C/C++, Borland C++
RES DBASE resources dBASE IV
RES Windows compiled resource package Win
REV Revision file Geoworks
REX PharLab executable file (old format) PharLab
REX Report definition Oracle
REX Rexx language source file Rexx
REZ Resource file
RF Sun raster graphics file
RFM Report ForMat (script for customized report) Nuverb Systems Inc: Donarius
RFT DCA/RFT Revisable Format Text file IBM DisplayWrite 4.0-5.1
RGB SGI RGB image file (RAW) SDSC Image Tool
RGX Symbol tables etc. info ReaGeniX code generator
RH Resource header file Borland C++ 4.5
RH Windows resource file header RC.EXE
RHistory Command history logfile R
RI Data Lotus 1-2-3
RIB Graphics (Renderman Interface Bytestream) 3D Reality
RIC Fax Ricoh
RIF RIFF bitmap graphics (Resource Interchange File Format) Fractal Design Painter
RIP TeleGrafix Remote Imaging Protocol Maximus 3.0
RIX Graphics (ColoRIX Image File) ColoRIX
RL4 Bitmap graphics
RL8 Bitmap graphics
RLA Wavefront raster image file SDSC Image Tool
RLB Data hgw.rlb Harvard Graphics Win
RLC Graphics 1bit/pixel scanner output
RLD Norton Commander 5.0 temp file NC 5.0
RLD OSIMapDef. RecLoad Definition
RLE Utah Run Length Encoded rasterfile graphic file SDSC Image Tool
RLZ REALIZER source code file CA-Realizer
RM RealMedia RealPlayer
RMB data RegistryMaster
RMI Windows alternate synthesized sound format RIFF RMID format
RMK Make file CA Clipper - RMAKE
RMVB RealMedia Variable Bitrate RealPlayer
RN XPL program for Nota Bene users
RNA Real Native Application File
RND Rendering Slide AutoCAD AutoShade
Rnn Multi volume RAR archive RAR
RNO Runoff file VAX
ROL FM music Adlib Music File Roland
ROM Read Only Memory image in emulators, AONs, etc.
ROO CODASYL DBMS Database Root Oracle
RPB Data report file used by CP Backup CP Backup
RPC Rich Photorealistic Content ArchVision
RPD Database RapidFile
RPF AutoCAD pattern ACAD
RPL Text document Replica
RPM Red Hat Package Manager Red Hat Linux
RPT Report file used by many applications
RRD Reduced Resolution Dataset ESRI (GIS)
RS Data file Amiga Resource - Reassembler
RS Rust language source
RS_ Resource fork of a Macintosh file Mac-ette
RSC Resource file ViewMax - many
RSL Application - Project resolver one
RSL Resource Library used by PC Tools for Windows PC Tools - Win
RSP Response file (text file containing input expected by e.g. LINK)
RSP Response File OS/2
RST reStructuredText Docutils
RSY FLEXIT Multishot Survey Raw Data file FLEXIT
RTF Rich Text Format text file (help file script) many - Microsoft Word
RTFD RTF-Packet NeXT
RTL HP RTL graphic file
RTL Run-Time library Norton Utilities
RTL Text file
RTP RTPatch software update package data file Pocket soft patch
RTS Realizer executable file
RTS Runtime library file CA-Realizer
RUL Echo-conference rules
RUN AMPL script file AMPL
RUN PC Tools for Windows batch file PC Tools
RUNZ pseudo-executable file, used in Portable Apps and software installers for Super OS RUNZ Framework
RUS Russian text
RV Mobile pricelist data file Mobile
RVF TRichView
RVW Review
RV Raw Wind Data
RWS Borland Resource Workshop symbol file Resource Workshop
RWS Resource Workshop data file Borland C++
RWX Criterion RenderWare
RWX MEME Shape File
RWX Script RenderWare
RWZ Microsoft Outlook Rules Wizard File Microsoft Outlook
RXD Reflex 1 datafile Reflex 1
RZK File Crypt password file All text editors
RZX File Crypt encrypted file File Crypt (Akte Krypta, Kriptirnik)

S–Z[edit]

See also[edit]

References[edit]

  1. ^ Zvereva, O. M. (2004). "Часть 2: ОПЕРАЦИОННАЯ СИСТЕМА WINDOWS 2000 PROFESSIONAL: КОНСОЛИ УПРАВЛЕНИЯ. ТИПОВЫЕ ЗАДАЧИ АДМИНИСТРИРОВАНИЯ" [Part 2: The Windows 2000 Professional operating system: Control console; standard administration tasks] (PDF). ОПЕРАЦИОННЫЕ СИСТЕМЫ (in Russian). Yekaterinburg. p. 99. Retrieved 2010-03-18. Несколько оснасток могут быть объединены администратором в инструмент (также называется документом), который сохраняется в файле с расширением .msc (Management Saved Console). [Translation: An administrator can gather a few frameworks into an instrument (also known as a document) stored in a file with the suffix .msc (Management Saved Console).] 
  2. ^ Shields, Paul; Crump, Ralph; Weiss, Martin (2000). Windows 2000 server: system administration handbook. Global knowledge professional reference. Syngress. pp. 51–52. ISBN 978-1-928994-09-1. Retrieved 2010-03-18. A powerful feature of the MMC [...] enables administrators to create custom tools [...], simply snap in the desired tools, and then the console can be saved as a Management Saved Console (MSC) file [...] 
  3. ^ "Article ID: 222330". Microsoft Support. Microsoft. 2004-08-13. Retrieved 2010-02-10. When sending HTML messages with an attached Microsoft Office 2000 document, the message is sent as an Outlook HTML message [...]. The Oledata.mso file contains necessary information to properly render the attachment in the message in its originating program. 
  4. ^ "Fileformat.info". Fileformat.info. Retrieved 2012-06-19. 
  5. ^ Puppy Linux. "Package management". 
  6. ^ https://pymolwiki.org/index.php/Load
  7. ^ http://www.pedfast.com
  8. ^ http://www.quickreport.co.uk/

External links[edit]