 | This article needs additional citations for verification .(August 2016) |
This alphabetical list of filename extensions contains extensions of notable file formats used by multiple notable applications or services.
| | This article needs additional citations for verification .(August 2016) |
This alphabetical list of filename extensions contains extensions of notable file formats used by multiple notable applications or services.
| Ext. | Description | Used by |
|---|---|---|
| M [1] | Mathematica Package File | Mathematica |
| M | MATLAB M-File | MATLAB |
| M | Mercury Source File | Mercury |
| M [2] | Source code | Objective-C |
| M2TS | BDAV MPEG-2 transport stream | |
| M3U | MPEG Audio Layer 3 Uniform Resource Locator playlist | Media players |
| M3U8 | MPEG Audio Layer 3 Uniform Resource Locator playlist, using UTF-8 encoding | Media players |
| M3U | MPEG Audio Layer 3 Uniform Resource Locator playlist | Media players |
| M4A | MPEG-4 Part 14 audio | iTunes Store |
| M4P | DRM-encumbered MPEG-4 Part 14 media | iTunes Store (formerly) |
| M4R | See M4A | Apple iPhone ringtones |
| M4V | MPEG-4 Part 14 video, which may optionally be encumbered by FairPlay DRM | iTunes Store, Handbrake |
| M64 | Mupen64 gameplay recording [3] | Mupen64 |
| MA | Autodesk Maya scene description format. The native format of the Maya modeling, animation, and rendering software. [4] | |
| MAT | MATLAB MAT-files. The native data format of the MATLAB numerical computation software. Stores numerical matrices, Boolean values, or strings. Also stores sparse arrays, nested structures, and more. [5] | MATLAB and Octave |
| MBOX | Unix mailbox format. Holds a collection of email messages. Native archive format of email clients such as Unix mail, Thunderbird, and many others. [6] | |
| MCADDON | A zip file that contains .mcpack or .mcworld files to modify Minecraft: Bedrock Edition generally used to distribute add-ons to other users. [7] | Minecraft: Bedrock Edition |
| MCMETA | A Minecraft custom resource pack configuration file. [7] | Minecraft: Bedrock Edition |
| MCPACK | A zipped resource or behavior pack that modifies Minecraft: Bedrock Edition, typically used to transfer resources between users. [7] | Minecraft: Bedrock Edition |
| MCPROJECT | Minecraft Bedrock Editor's filetype. Files of this type only open in Editor and are capable of containing Editor extensions. [7] | Minecraft: Bedrock Edition |
| MCSTRUCTURE | Contains a Minecraft structure such as a building or natural feature, saved using the Structure Block tool can be shared between players, allowing the sharing of each other's structures. [7] | Minecraft: Bedrock Edition |
| MCTEMPLATE | A zip archive containing the template of a world used in Minecraft. [7] | Minecraft: Bedrock Edition |
| MCWORLD | A zip archive that contains all the files needed to load a Minecraft: Bedrock Edition or Minecraft Education world, for example .dat and .txt files. [7] | Minecraft: Bedrock Edition |
| MCF [8] | Multimedia Container Format (predecessor of Matroska) | |
| MD [9] | Markdown-formatted text file | Markdown |
| MDB | MDB database file. The native format of the Microsoft Access database application. Used in conjunction with the Access relational database management system and as an exchange format. [10] | Microsoft Access |
| MDF [11] | Master Data File, a Microsoft SQL Server file type | Microsoft SQL Server |
| MDF | Measurement Data Format, a binary file format for vector measurement data [12] | automotive industry, developed by Robert Bosch GmbH |
| MDI | Document save in high-resolution, created by MSOffice to scan documents (OCR) and turn them into a .DOC | Microsoft Office |
| MDG | Digital Geometry (Programmable CAD) file format, developed by DInsight | Digital Geometric Kernel |
| MDL | Model | 3D Design Plus or Simulink |
| MDMP [13] | Mcrosoft minidump file created by Windows when a program crashes | Microsoft Windows SDK |
| MDS | Midi Session | Sound Imp. |
| MEX [14] | MEX file (executable command) | Matlab |
| MGF | Wolfram System MGF bitmap format. Used by the Wolfram System user interface for storing raster images. MGF is an acronym for Mathematica Graphics Format. [15] | |
| MGF [16] | Materials and Geometry Format | |
| MHT | MIME encapsulation of aggregate HTML documents | Web browsers |
| MID | Standard MIDI file | Music synthetizers, Winamp |
| MKA | Matroska audio | |
| MKV | Matroska video | |
| mlx | MATLAB live script file | MATLAB |
| MM [2] | Source code | Objective-C++ |
| MML | MathML mathematical markup language. Used for integrating mathematical formulas in web documents. Rendering of embedded MathML is supported by a number of browsers and browser additions. [17] | |
| MNT | Surface metrology or image analysis document | MountainsMap |
| MO | Modelica models. File format specified by the Modelica Association. [18] | |
| MOBI [19] | eBook | Mobipocket, Kindle |
| MOD | AMPL model file | AMPL |
| MOD | Modula language source | |
| MOD | Modula-2 source code file | Clarion Modula-2 |
| MOD | Tracker file format created for Ultimate Soundtracker for the Amiga | MOD (file format) |
| MOD | MOD is recording format for use in digital tapeless camcorders. | MOD and TOD |
| MODULES | Module | GTK+ |
| MOE | same as Modelica Model .mo. | |
| MOL | MDL Molfile | RasMol |
| MOL2 [20] [21] | Tripos Sybyl MOL2 Format | SYBYL, RasMol |
| MOP | MOPAC input file | MOPAC, RasMol |
| MOV [22] | Animation format (Mac) | QuickTime, AutoCAD AutoFlix |
| MP2 [23] [24] | MPEG audio file | Winamp, xing |
| MP3 [25] [23] | MPEG audio stream, layer 3 | AWAVE, CoolEdit(+PlugIn), Winamp, many others |
| MP4 [26] | multimedia container format, MPEG 4 Part 14 | Winamp |
| MPA | MPEG audio stream, layer 1,2,3 | AWAVE |
| MPC | Musepack audio | |
| MPD | LDraw file (multi-part DAT file) | LDraw |
| MPEG [27] [28] [29] | multimedia containter format, video, audio | MPEG Player, Winamp |
| MPG | see MPEG | |
| MPS | MPS linear programming system format (.mps) [30] Commonly used as input format by LP solvers. MPS is an acronym for Mathematical Programming System. [31] | |
| MR | A Engine Simulator engine save file [32] | Engine Simulator |
| MRSH | MarsShell Script File | MarsShell (mrsh) |
| MSC | management saved console [33] | Microsoft; Microsoft MMC [34] |
| MSCZ | File type used by Musescore [35] when saving a score | |
| MSAV | Mindustry map file | Mindustry |
| MSCH | Mindustry schematic file | Mindustry |
| MSDL [36] | Manchester Scene Description Language | |
| MSF [37] [38] | Multiple sequence file (Pileup format) | |
| MSI | Windows Installer Package | Microsoft Windows |
| MSO | Microsoft Outlook metadata for a Microsoft Word 2000 email attachment [39] | Microsoft Outlook |
| MSSTYLES | Windows visual style file | Microsoft Windows |
| MSU | Microsoft Update Package | Microsoft Windows |
| MTS | See M2TS | |
| MUP | MUP -- File type used by MindMup to export editable Mind Maps | |
| MM | File type used by FreeMind to export editable Mind Maps | |
| MX | Wolfram Language serialized package format (.mx) [30] Wolfram Language serialized package format. Used for the distribution of Wolfram Language packages. Stores arbitrary Wolfram Language expressions in a serialized format optimized for fast loading. [40] | |
| MXF [41] [42] | Material exchange format (RFC 4539, SMPTE 377M) | |
| MYD | a MyISAM data file in MySQL | MyISAM, MySQL |
| MYI | a MyISAM index file in MySQL | MyISAM, MySQL |
| Ext. | Description | Used by |
|---|---|---|
| NB | Wolfram Mathematica Notebook (see Wolfram Language) | Mathematica |
| NC | Binary Data | netCDF software package |
| NC | Instructions for NC (Numerical Control) machine | CAMS |
| NC | Name code program | namec-git/namec software package |
| NCD | NC Drill File (Excellon Format, printed circuit board hole definitions) | Most PCB layout software |
| NDK | NDK seismologic file format. Commonly used for storage and exchange of earthquake data. Stores geographical information and wave measurements for individual seismological events. [43] | |
| NDS | Nintendo DS file. Used for Homebrew and official games. | Nintendo DS consoles and emulators |
| NEF [44] | Nikon RAW image format | Nikon cameras |
| NEO | Text file; media | |
| NET | Pajek graph data format (.net) [30] Pajek graph language and data format. Commonly used exchange format for graphs. The native format of the Pajek network analysis software. The format name is Slovenian for spider. [45] | Pajek network analysis software |
| NEU | Pro/Engineer neutral file format | PTC Pro/Engineer |
| NEX | NEXUS phylogenetic format (.nex, .nxs) [30] Commonly used for storage and exchange of phylogenetic data. Can store DNA and protein sequences, taxa distances, alignment scores, and phylogenetic trees. [46] | |
| NF | Instructions for NC machine made by TRUMPF | TRUMPF |
| NFO | iNFO for accompanying media files | Kodi, Plex |
| NIM | Nim source code file | Nim |
| NMF | Node Map File | Used by SpicyNodes |
| NOFF | 3D object file format with normals (.noff, .cnoff) [30] NOFF is an acronym derived from Object File Format. Occasionally called CNOFF if color information is present. [47] | |
| NPR | Nuendo Project File | Steinberg Nuendo |
| NRO | Nintendo Switch executable file | |
| NRW [48] | Nikon Coolpix RAW image | Nikon |
| NRX | NetRexx Script File | NetRexx |
| NS1 | NetStumbler file | NetStumbler |
| NSA | media | Nullsoft Streaming Audio |
| NSF | NES sound format file | Transfer of NES music data [49] |
| NSV | media | Nullsoft Streaming Video |
| NUMBERS | Numbers spreadsheet file | Numbers |
| NWD, NWF | Navisworks 3D drawing | Navisworks |
| NXS | Same as NEXUS (.nex, .nxs). See NEX above for more details. NEXUS phylogenetic format (.nex, .nxs) [30] |
| Ext. | Description | Used by |
|---|---|---|
| O | Object file | UNIX - Atari - GCC |
| OBJ | Compiled machine language code | |
| OBJ | Object code | Intel Relocatable Object Module |
| OBJ | Wavefront Object | |
| OBS | Script | ObjectScript |
| OCX | OLE custom control | |
| ODB [50] | Database front end document | OpenDocument, LibreOffice |
| ODF [50] | Formula, mathematical equations | OpenDocument, LibreOffice |
| ODG [50] | Drawings and vector graphics | OpenDocument, LibreOffice, Collabora Online |
| ODP [50] | Presentations | OpenDocument, LibreOffice, Collabora Online |
| ODS [50] | OpenDocument spreadsheet format (.ods) [30] | OpenDocument, LibreOffice, Collabora Online |
| ODT [50] | Text (Word processing) documents | OpenDocument, LibreOffice, Collabora Online |
| OFF | 3D object file format (.off, .coff) [30] OFF is an acronym for Object File Format. Used for storing and exchanging 3D models. [51] | |
| OGA | Audio file in the Ogg container format | libogg |
| OGG | Vorbis audio in the Ogg container format | libogg |
| OGV | Video file in the Ogg container format | libogg |
| OGX | Ogg Multiplex Profile | libogg |
| OPUS | Ogg/Opus audio file | mpv, mplayer, many others (official file format). |
| ORG | Emacs Org mode | Emacs Org mode major mode |
| ORG | Older Origin Project | Origin versions 4 or earlier |
| OSB | Osu! Storyboard | Osu! |
| OSC | OpenStreetMap Changeset | OpenStreetMap |
| OSK | Osu! Skin | Osu! |
| OSM | OpenStreetMap data | OpenStreetMap |
| OSM | OpenStreetMap note | OpenStreetMap |
| OSR | Osu! Replay | Osu! |
| OST | Offline Storage Table | Microsoft e-mail software: Outlook Express, Microsoft Outlook |
| OSU | Osu! Beatmap Info | Osu! |
| OSZ | Osu! Beatmap | Osu! |
| OTB | Over-the-air bitmap graphics | |
| OTF | OpenType font | |
| OTL | The Vim Outliner | A vim plugin |
| OTF [50] | Formula, mathematical equations template | OpenDocument, LibreOffice, Collabora Online |
| OTG [50] | Drawings and vector graphics template | OpenDocument, LibreOffice, Collabora Online |
| OTP [50] | Presentations template | OpenDocument, LibreOffice, Collabora Online |
| OTS [50] | Spreadsheets template | OpenDocument, LibreOffice, Collabora Online |
| OTT [50] | Text (Word processing) documents template | OpenDocument, LibreOffice, Collabora Online |
| OV2 | Overlay file (part of program to be loaded when needed) | TomTom Point of Interest |
| OWL [52] [53] | Web ontology language (OWL) file | Protégé and other ontology editors |
| OXT | OpenOffice.org extension | OpenOffice.org / LibreOffice |
| Ext. | Description | Used by |
|---|---|---|
| P | Database PROGRESS source code | PROGRESS |
| P | PASCAL source code file | |
| P | Parser source code file | |
| P8 | PICO-8 Game File | PICO-8 |
| P10 | Certificate Request | |
| P12 | Personal Information Exchange | "Crypto Shell Extensions" |
| PACK [54] | Pack200 Packed Jar File | |
| PAGES | Pages document file | Pages |
| PAK | Archive | Pak |
| PAL | Paint Shop Pro color palette (JASC format) | PaintShop Pro, XnView |
| PAM | PAM Portable Arbitrary Map graphics format | Netpbm |
| PAPA | Flipline Studio's game backups like JackSmith, Papa's Wingeria version 1.2+, Papa's Pancakeria version 1.4+ [55] | |
| PAR | Parity Archive | [56] |
| PAR2 | Parity Archive v2 | [57] |
| PARAMS | MXNet net representation format (.json, .params) [30] Underlying format of the MXNet deep learning framework, used by the Wolfram Language. Networks saved as MXNet are stored as two separate file: a .json file specifying the network topology and a .params file specifying the numeric arrays used in the network. [58] | |
| PAS | Pascal language source | Borland Pascal |
| PAX | pax archive file | pax, GNU Tar |
| PBLIB | Power Library | PowerBASIC |
| PBM | ASCII portable bitmap format (.pbm) [30] PBM monochrome raster image format. Member of the Portable family of image formats. Related to PGM and PPM. Native format of the Netpbm graphics software package. [59] | Netpbm graphics software package |
| PBO | A file type used by Bohemia Interactive | Arma 3, PBO Manager |
| PCAP | Network packet capture format (.pcap) [30] [60] | WireShark [61] |
| PCL [62] [63] | HP-PCL graphics data file | HP Printer Command Language |
| PCS | PCSurvey file | PCSurvey by Softart - land surveying software |
| PCX | PC Paintbrush file | PC Paintbrush |
| PDB [64] | debugging data | Microsoft Windows |
| PDB [65] | Molecule (protein data bank) | |
| PDE | Processing source code file | Processing programming language |
| Adobe's Portable Document Format | Adobe Acrobat Reader | |
| PDI | Portable Database Image | |
| 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 | Planetary Data System Format | |
| PEM | A text-based certificate file defined in RFC 1421 through RFC 1424 [66] | Applications that need to use cryptographic certificates, including web-servers |
| pet | package [67] | Puppy Linux |
| PFA | PostScript Font File | |
| PFA | Type 3 font file (unhinted PostScript font) | |
| PFAM | PFAM format [68] | |
| PFB | PostScript font | Adobe Type Manager (ATM) |
| PFC | (Personal Filing Cabinet) contains e-mail, preferences and other personal information | AOL |
| PFM [69] | PostScript Type 1 font metric file | Microsoft Windows, Adobe Acrobat Reader |
| PFM [69] | Windows Type 1 font metric file | |
| PGN [70] | Portable Game Notation -Text specification for Chess game | Most chess playing computer applications |
| PFX | An encrypted certificate file [66] | Applications that need to use cryptographic certificates, including web-servers |
| PHF | Database File | Nuverb Systems Inc: Donarius |
| PHN | Phun scene | Algodoo (previously Phun) |
| PHP | PHP file | |
| PHP3 | PHP 3 file | |
| PHP4 | PHP 4 file | |
| PHR | Phrases | LocoScript |
| PHY | Phylip format [68] | |
| PHZ | Algodoo scene | Algodoo |
| PI2 | Portrait Innovations High Resolution Encrypted Image file | Portrait Innovations Studio2 (proprietary) |
| PIE | GlovePIE script file | GlovePIE |
| PIR | PIR format [68] | |
| PIT | Compressed Mac file archive created by PACKIT | unpackit.zoo |
| PIT | Partition Information Table for Samsung's smartphone with Android | Odin3 |
| PK3 | Quake III engine game data | |
| PKL | Pickle file | Python object serialization |
| PKA | Archive | PKARC |
| PKG | General package for software and games | MacOS, iOS, PSVita, PS3, PS4, PS5, Symbian, BeOS... |
| PL | Perl source code file | |
| PL | Prolog source code file | |
| PL | IRAF pixel list | IRAF astronomical data format |
| PLANET | Planet Life save file | Planet Life |
| PLI | PL/I source file | PL/I compilers |
| PLR | Terraria player/character file | Terraria |
| PLS | Multimedia Playlist, primarily for streaming | Shoutcast, IceCast, others |
| PM [71] | Perl module | |
| PMA | PMarc Archive | |
| PMP | PenguinMod Project file | PenguinMod's project file |
| PNG | Portable Network Graphics file | Web browsers, image viewing and editing applications |
| POM [72] | Build manager configuration file | Apache Maven POM file |
| PPEG | parsimonious PEG grammar | parsimonious parser generator |
| PPTX | MS Office Open-XML Presentation | Microsoft PowerPoint [73] |
| PPSX | MS Office Open-XML Auto-Play Presentation | Microsoft PowerPoint |
| PRJ | Mkd (Unix command) | Mkd project file to extract documentation |
| PROPERTIES | Configuration file format. Commonly used in Java projects. Associates string keys to string values. [74] | |
| PROTO [75] | Message specification | Google Protocol Buffers |
| PRP | Plasma Registry Page | Plasma (engine) |
| PS | Adobe Postscript file | PostScript |
| PSD [76] | Photoshop native file format | Adobe Photoshop |
| PSDC | Photoshop Cloud Document | Adobe Photoshop |
| PSM1 [77] | Windows Powershell module | Windows Powershell |
| PSPPALETTE [78] | Paint Shop Pro color palette (JASC format) | Paint Shop Pro 8.0 and newer |
| PST | Archive File | Microsoft Outlook |
| PS1 | Windows Powershell script [77] | Windows PowerShell |
| PTF | PlayStation Portable Theme file | PSP Theme settings menu |
| PTF | Pro Tools Session File | Digidesign/Avid Pro Tools version 7 up to version 9 |
| PTS | Pro Tools Session File | Digidesign Pro Tools (legacy version) |
| PTX | Pro Tools Session File | Avid Pro Tools version 10 or later |
| PUB | Public key ring file | Pretty Good Privacy RSA System |
| PUP [37] [38] | Pileup format | |
| PY | Python script file | Python (programming language) |
| Ext. | Description | Used by |
|---|---|---|
| QFX | Quicken-specific implementation of the OFX specification | Intuit Quicken |
| QIF [79] | Quicken Interchange Format | Intuit Quicken |
| QLC [69] | ATM Type 1 fonts script | Adobe Type Manager |
| QOI | Quite OK Image Format | Web browsers, image viewing and editing applications |
| QSS | QT Style Sheet | QT Python GUI library |
| QT | QuickTime movie (animation) | |
| QTVR | QuickTime VR Movie | |
| Ext. | Description | Used by |
|---|---|---|
| R | Ratfor file | Ratfor |
| R | Script file | R |
| R00, R01, ... | Part of a multi-file RAR archive | RAR |
| R2D | Reflex 2 datafile | Reflex 2 |
| R3D | Red Raw Video (raw video data created with a Red camera) | Red Camera |
| R8P | PCL 4 bitmap font file | Intellifont |
| RAD | 2-op FM music | Reality AdLib Tracker |
| RAD | Radiance | Radiance |
| RAL | Remote Access Language file | Remote Access |
| RAM | Ramfile | RealAudio |
| RAP | Flowchart | RAPTOR |
| RAR | Archive | RAR |
| RAS | Graphics format | SUN Raster |
| RB | Ruby Script file | |
| RBXL | Roblox Experience file | Roblox Studio |
| RC | Configuration file | emacs, Vim (text editor), Bash (Unix shell) |
| RC [80] | Resource Compiler script file | Microsoft C/C++, Borland C++ |
| RDP [81] | RDP connection | Remote Desktop connection |
| RDS [82] | Data file | R |
| RES [83] | Compiled resource | Microsoft C/C++, Borland C++ |
| REX, REXX | Rexx Script file | ooRexx |
| RKT | Racket language source file | DrRacket integrated development environment (IDE) for the Racket (programming language) |
| RM [84] | RealMedia | RealPlayer |
| RMD [85] | R Markdown | RStudio |
| RMVB [86] | RealMedia Variable Bitrate | RealPlayer |
| Rob | Robot4 (TM) Input file format | Robot4 software |
| ROL | AdLib Piano Roll | AdLib Visual Composer |
| RPM | RPM software package | Red Hat Linux, the Linux Standard Base and several other operating systems |
| RS | Rust language source | |
| RSM | Compressed Filetype for Mods of Mario Fangames | SMBX2 |
| RSA | Harwell–Boeing matrix format. Used for exchanging and storing sparse matrices. [87] | |
| RSL, RSLS, RSLF | Resilio Sync File Placeholder | |
| RST | reStructuredText | Docutils |
| RTF [88] [89] [90] | Rich Text Format text file (help file script) | many - Microsoft Word |
| RUA | same as RSA | |
| RUN | AMPL script file | AMPL |
| RUN | Makeself shell self-extracting archive | shell |
The .m extension originally stood for "messages" when Objective-C was first introduced, referring to a central feature of Objective-C
{{cite web}}: CS1 maint: numeric names: authors list (link){{cite web}}: CS1 maint: numeric names: authors list (link)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).]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 [...]
{{cite journal}}: CS1 maint: numeric names: authors list (link)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.
{{cite book}}: |journal= ignored (help)