| File extension | The full name of the file |
|---|---|
| File extension M | Objective-C Language Source Format |
| File extension M!95 | Adobe Director For Mac |
| File extension M-JPEG | M-JPEG |
| File extension M01 | MicroStation Modification Resource |
| File extension M10 | Microsoft Money 2002 Data |
| File extension M11 | Microsoft Money 2003 Data |
| File extension M12 | Microsoft Money 2004 Data Format |
| File extension M13 | Microsoft Media Viewer |
| File extension M14 | Microsoft Media Viewer |
| File extension M15 | Apple QuickTime Format |
| File extension M16 | Microsoft Money 2007 Data |
| File extension M1A | MPEG-1 Audiostream Format |
| File extension M1C | IBM Voice Type Languages Newuser |
| File extension M1I | IBM Voice Type Languages Newuser |
| File extension M1PG | IFinish Video Format |
| File extension M1S | MPEG-1 System Stream |
| File extension M1V | Moving Pictures Experts Group Video (MPEG-1 IPB) |
| File extension M2 | World Of Warcraft Model Object File Format |
| File extension M21 | MPEG-21 Video Format |
| File extension M25 | Symantec Endpoint Protection Manager |
| File extension M2A | MPEG-2 Audio |
| File extension M2C | IBM Voice Type Languages Newuser |
| File extension M2D | HTC Manila 2D For Windows Mobile Skin |
| File extension M2DCT | HTC Manila 2D For Windows Mobile Skin |
| File extension M2F | Maxthon Filter Package |
| File extension M2I | IBM Voice Type Languages Newuser |
| File extension M2L | Maxthon Language Package |
| File extension M2M | TiMidity++ M2M Settings |
| File extension M2P | MPEG-2 Stream File Format |
| File extension M2R | Avaya Mib2Rules Perl Script |
| File extension M2S | MPEG-2 Audio Video Format |
| File extension M2T | MPEG-2 Transport Stream Format |
| File extension M2TS | MPEG-2 Stream (Blu-Ray) |
| File extension M2U | Maxthon Layout |
| File extension M2V | MPEG-2 Packetized Elementary Stream |
| File extension M3 | Blizzard StarCraft 2 MDX3 Model Format |
| File extension M32 | Duke Nukem 3D Script |
| File extension M3C | IBM Voice Type Languages Newuser |
| File extension M3D | DIALux 3D Object Format |
| File extension M3G | Nokia Mobile 3D Graphics Program Format |
| File extension M3H | Starcraft 2 Model Data |
| File extension M3I | IBM Voice Type Languages Newuser |
| File extension M3S | Myst III Exile Saved Game |
| File extension M3T | Myst 3 Exile Text |
| File extension M3U | MP3 Songs Playlist Format |
| File extension M3U8 | UTF-8 M3U Playlist Format |
| File extension M3URL | SMIL MP3 Playlist |
| File extension M3V | DJ Mix Pro Playlist |
| File extension M3X | MAGIX Digital Photo Maker PhotoCD Playlist |
| File extension M4 | M4 Preprocessor Macro Format |
| File extension M4A | MPEG-4 Compressed Audio Format |
| File extension M4B | MPEG-4 Audio Layer Audio Book Format |
| File extension M4C | IBM Voice Type Language Newuser |
| File extension M4D | Sage MAS 90 Data |
| File extension M4E | MPEG-4 Video Format |
| File extension M4F | Sony Network Camera MPEG-4 Video |
| File extension M4I | IBM Voice Type Languages Newuser |
| File extension M4L | Sage MAS 90 Data |
| File extension M4P | Apple ITunes Music Store Audio Format |
| File extension M4R | Apple IPhone Ringtone Format |
| File extension M4S | Myst IV: Revelation Save Game |
| File extension M4T | Sage MAS 90 Table |
| File extension M4U | MPEG-4 Playlist Format |
| File extension M4V | MPEG-4 Video File Format |
| File extension M51 | ARM Keil Tools Linker Listing |
| File extension M64 | Mupen64 Movie Capture |
| File extension M68 | Turbo Pascal Dos |
| File extension M75 | Apple QuickTime Format |
| File extension M7A | MapKing Map |
| File extension M7D | MapKing Navigation Map |
| File extension M7P | Multilizer PDF Translator Project |
| File extension M8 | Heretic II MipMap Image |
| File extension M?? | Ingres Modify Table/Index |
| File extension MA | Autodesk Maya ASCII Scene Format |
| File extension MA0 | Diablo II Act 1 Saved Map Progress |
| File extension MA1 | Monarch Audio Format |
| File extension MA1MMF | SMAF Synthetic Music Mobile Application Format |
| File extension MA2 | Bibexcel |
| File extension MA2MMF | SMAF Synthetic Music Mobile Application Format |
| File extension MA3 | Harvard Graphics Macro |
| File extension MAB | Mozilla Address Book Format |
| File extension MAC | MacPaint Bitmap Image |
| File extension MACA | MacWrite Document |
| File extension MACBIN | MacBinary Archive |
| File extension MACP | Apple Macintosh MacPaint Bitmap Image |
| File extension MACS | MADRIX Encrypted Script |
| File extension MAD | Microsoft Access Module Shortcut Format |
| File extension MAE | Maestro Molecular Model Format |
| File extension MAF | Microsoft Access Form Shortcut Format |
| File extension MAFF | Mozilla Archive Format |
| File extension MAG | Microsoft Access Diagram Shortcut Format |
| File extension MAGIC | Magic Mail Monitor Configuration |
| File extension MAGIK | Magik Source Code Format |
| File extension MAHJONGTITANSSAVE-MS | Mahjong Titans Save Game Format |
| File extension MAI | Microsoft Mail Message Format |
| File extension MAILDB | MSN Mail |
| File extension MAILHOST | E-mail Server Preferences Format |
| File extension MAILLOC | Apple Mac OS X Finder Mail Internet Location |
| File extension MAILPLANELICENSE | Mailplane License Format |
| File extension MAILSTATIONERY | Apple Mail |
| File extension MAILTOLOC | Apple Mail Mail Address Format |
| File extension MAIN | FileMaker Dictionary |
| File extension MAJ | Camduct Job |
| File extension MAK | Make Format |
| File extension MAKE | Makefile |
| File extension MAKEFILE | Make Format |
| File extension MAKER | Adobe Framemaker |
| File extension MAKI | Winamp MAKI Compiled Script |
| File extension MAKO | Mako Tamplate Format |
| File extension MAL | MadAppLauncher Settings Format |
| File extension MAM | Microsoft Access Macro Shortcut Format |
| File extension MAML | Microsoft Assistance Markup Language |
| File extension MAN | Unix Text Manual Format |
| File extension MANAGED_MANIFEST | Silverlight Manifest |
| File extension MANI | Mine-imator Project Format |
| File extension MANIFEST | Manifest Format |
| File extension MANIFEST-DESKTOP | Ubuntu Desktop CD Manifest |
| File extension MANM | Vietcong Game Data Format |
| File extension MAO | Dragon Age Origins MAO XML |
| File extension MAP | Geographical Map Format |
| File extension MAPIMAIL | Windows Send To Mail Recipient Format |
| File extension MAPLET | Maplet World Format |
| File extension MAPLIB | Mscape Map |
| File extension MAPSDATA | Apple IOS Map Data Format |
| File extension MAPX | Mapjects GRYD Webserver Format |
| File extension MAQ | Microsoft Access Query Shortcut Format |
| File extension MAR | Microsoft Access Report Shortcut Format |
| File extension MARC | MAchine-Readable Cataloging (MARC) Document |
| File extension MARKDN | Markdown Markup Language Document Format |
| File extension MARKDOWN | Markdown Markup Language Format |
| File extension MARS | Adobe Mars Format |
| File extension MARSHAL | Marshal Editor Data Migration Model Format |
| File extension MART | Martview Ebook Format |
| File extension MAS | Microsoft Access Stored Procedures Format |
| File extension MASH | Java |
| File extension MASK | SpeedGrade Color Mask Format |
| File extension MASSEFFECTPROFILE | Mass Effect User Profile |
| File extension MASSEFFECTSAVE | Mass Effect Saved Game |
| File extension MASTER | ASP Master Page Format |
| File extension MAT | Microsoft Access Table Shortcut Format |
| File extension MATCH-RDB | RDB |
| File extension MATERIAL | Rigs Of Rods Texture Reference Format |
| File extension MATH | AnalyticMath |
| File extension MATLAB | Matlab Script |
| File extension MATO | Atomic Combat Saved Game Format |
| File extension MATPROJ | Dragon Age Origins Material |
| File extension MAU | Media Attachment Unit Format |
| File extension MAUD | Amiga MAUD Sound |
| File extension MAV | Microsoft Access View Format |
| File extension MAW | Microsoft Access Data Access Page Format |
| File extension MAX | 3D Studio Max Scene Format |
| File extension MAXC | 3D Studio Max Container Format |
| File extension MAXD | PaperPort Annotation |
| File extension MAXM | Paperport |
| File extension MAZ | Microsoft Windows Hover! Maze Format |
| File extension MB | Autodesk Maya Binary Scene Format |
| File extension MB1 | Monster Bash Game Data |
| File extension MB3 | Minimal Board Editor (MBE) |
| File extension MB4 | Model Builder Model Design |
| File extension MBA | Martus Human Rights Bulletin System |
| File extension MBAC | MascotCapsule Resource |
| File extension MBAS | MikroBasic Source Code |
| File extension MBB | ManaBook Format |
| File extension MBBK | ManaBook Book Kit Format |
| File extension MBC | Mulberry E-mail Client Cache |
| File extension MBD | Multimedia Builder MP3 Authoring Format |
| File extension MBDB | Apple IOS Backup Manifest |
| File extension MBDX | Apple IOS Backup Manifest |
| File extension MBE | MVP Baseball 2005 Game |
| File extension MBF | Microsoft Money Backup Format |
| File extension MBFAVS | Stardent AVS X Bitmap Image |
| File extension MBFS | Stardent AVS X Bitmap Image |
| File extension MBFX | AVS X Image |
| File extension MBG | Mailbag Assistant E-mail Archive Format |
| File extension MBI | MagicISO Multi-bootable Information Format |
| File extension MBK | DBASE IV Multiple Index File Backup |
| File extension MBKP | Memeo Instant Backup Backup |
| File extension MBL | Logger Pro Experiment Data Format |
| File extension MBM | EPOC Multi-bitmap Format |
| File extension MBOX | Mail Mailbox Format |
| File extension MBP | Mobipocket EBook Auxiliary Format |
| File extension MBP1 | Kindle Touch Annotation |
| File extension MBR | Zune Smooth Streaming Format |
| File extension MBS | Opera Mailbox Format |
| File extension MBSA | Microsoft Baseline Security Analyzer Format |
| File extension MBSB | Mamut Business Software Company Database Backup |
| File extension MBSYNCSTATE | Mbsync Folder Backup |
| File extension MBT | Blue Card Manager Merit Badge Template Format |
| File extension MBTEMMPLATE | ModelBaker Custom Template Directory |
| File extension MBV | JVC Everio MediaBrowser Movie |
| File extension MBW | Easy Mail Backup Wizard Format |
| File extension MBX | E-mail Mailbox Format |
| File extension MBZ | Pogoshell NES Emulator Plugin |
| File extension MC | Microsoft Windows Localized Message Table Resource |
| File extension MC1 | MedCalc Data Format |
| File extension MC2 | MasterCook Cookbook Recipe Text Data Format |
| File extension MC3 | Bridge Design Modeler 3D Match-casting Geometry Control |
| File extension MC4D | Cinema 4D 3D Graphic |
| File extension MC5 | Poser 5 Material Format |
| File extension MC6 | Poser 6 Material Format |
| File extension MC8 | Mastercam V8 |
| File extension MC9 | Mastercam V9 CAD Format |
| File extension MCA | Minecraft Anvil Format |
| File extension MCACC | MCACC Measurement Data |
| File extension MCB | NEPLAN Project |
| File extension MCBN | Microsoft Excel 4 For Mac Chart |
| File extension MCC | Amiga MUI External Class Library |
| File extension MCD | VectorWorks Drawing Format |
| File extension MCDB | Adobe Premiere Pro Media Cache Database |
| File extension MCDX | Mathcad Prime Document Format |
| File extension MCF | Mathcad Font Format |
| File extension MCFI | Autodesk Maya Initial Fluid Cache Format |
| File extension MCFP | Autodesk Maya Fluid Cache Playback Format |
| File extension MCGAME | Minecraft Backup Format |
| File extension MCI | Media Control Interface Command Script Format |
| File extension MCK | Macro Keys Encrypted Macro |
| File extension MCL | Microsoft Media Center Application Shortcut Format |
| File extension MCLEVEL | Minecraft Map Format |
| File extension MCMAC | MacGourmet MasterCook Document |
| File extension MCMETA | Minecraft Animation Settings Format |
| File extension MCML | Microsoft Windows Media Center MCML |
| File extension MCO | MSN Messenger Wink Format |
| File extension MCP | MSN Content Plus Installer Format Archive |
| File extension MCR | Autodesk 3D Studio Max Macroscript Format |
| File extension MCRP | MobyExplorer Encrypted Format |
| File extension MCS | MathCAD Raster Picture Image Format |
| File extension MCSP | My Craft Studio Project Format |
| File extension MCSX | My Craft Studio Professional Format |
| File extension MCT | Musicator MIDI |
| File extension MCUSW | Nokia Mobile Phones With Symbian Firmware |
| File extension MCV | ManyCam Effect |
| File extension MCW | Microsoft Word 5 For Mac Document Format |
| File extension MCWORLD | Minecraft World Backup Format |
| File extension MCX | Mastercam X And X2 File Format |
| File extension MCXE | MedicinesComplete Data Format |
| File extension MCXML | Microsoft Office 2013 XML Settings |
| File extension MCZ | Poser Compressed Material Format |
| File extension MD | MDCD Compressed File Archive |
| File extension MD0 | Adobe Photoshop Format Browser Metadata Cache Format |
| File extension MD03 | Adobe Director |
| File extension MD1 | GEAR CD Suite CD Image Format |
| File extension MD2 | Quake 2 Model Format |
| File extension MD2P | MessengerDiscovery |
| File extension MD2S | MessengerDiscovery |
| File extension MD3 | Quake 3 Model Format |
| File extension MD4 | Quake 3 MD4 Skeletal Model Format |
| File extension MD5 | Checksum Format |
| File extension MD5TXT | Message Digest 5 Hash Format |
| File extension MD5ANIM | Doom 3 ID Tech 4 Game Engine Model Animation Format |
| File extension MD5CAMERA | Doom 3 ID Tech 4 Game Engine Model Camera Format |
| File extension MD5MESH | Doom 3 ID Tech 4 Game Engine 3D Mesh Format |
| File extension MD8 | GarageCUBE Modul8 Project Format |
| File extension MDA | Microsoft Access Add-in Format |
| File extension MDAT | REW Measurement |
| File extension MDB | Microsoft Access Database Format |
| File extension MDBACKUP | Apple IPhone Backup Format |
| File extension MDBHTML | Microsoft Office Access HTML Document Format |
| File extension MDBX | Access Based Database |
| File extension MDC | Image Minolta RD175 |
| File extension MDD | Point Oven Deformation Data Format |
| File extension MDDATA | Apple IPhone Backup Data Format |
| File extension MDE | Microsoft Access Compiled Database (application) Format |
| File extension MDES | Trimaran Machine Description |
| File extension MDF | Alcohol 120% Disc Image File Format |
| File extension MDG | Enterprise Architect |
| File extension MDHTML | Microsoft Access HTML |
| File extension MDI | Microsoft Office Document Imaging File Format |
| File extension MDIMPORTER | Spotlight Importer Setting |
| File extension MDINFO | Apple IPhone Info Format |
| File extension MDK | Astra Schedule Schedule |
| File extension MDL | Flight Simulator 95/98 3D Model Format |
| File extension MDLE | Motion Description Language Extended |
| File extension MDM | HLM Multivariate Data Matrix Format |
| File extension MDMP | Microsoft Windows Minidump Format |
| File extension MDN | Microsoft Access Blank Database Template Format |
| File extension MDO | Alcohol 120% Split Image |
| File extension MDOWN | Markdown Markup Language Format |
| File extension MDP | Microsoft Visual C++ Visual J++ MAK File (old Project Workspace) |
| File extension MDPF | Mac OS X Modem Preferences |
| File extension MDPL | MacDraw II |
| File extension MDR | ZX Spectrum Microdrive Emulator |
| File extension MDRC | MADRIX DMX Remote Configuration |
| File extension MDRW | MacDraw |
| File extension MDS | Alcohol 120% Image File (media Descriptor File) Format |
| File extension MDT | Microsoft Access Database Template Format |
| File extension MDTEXT | Markdown Markup Language |
| File extension MDTXT | Markdown Markup Language |
| File extension MDUS | MessengerDiscovery |
| File extension MDV | QLAY |
| File extension MDW | Microsoft Access Workgroup Information Format |
| File extension MDWN | Markdown Markup Language |
| File extension MDX | Media Data EXtended Image Format |
| File extension MDZ | Microsoft Access Wizard Template Format |
| File extension MDZIP | MagicDraw Compressed Project Format |
| File extension ME | Readme Text Format |
| File extension ME2HEADMORPH | Mass Effect 2 Head Morph |
| File extension ME2MOD | Mass Effect 2 Game Modification Format |
| File extension MEA | Mastersizer 2000 Sample Analysis |
| File extension MEB | PRO100 Library Format |
| File extension MECH | Pro/MECHANICA Settings |
| File extension MECONTACT | Microsoft Live Messenger |
| File extension MED | Amiga MED Sound Format |
| File extension MEDIAWIKI | Mediawiki Source |
| File extension MEF | Mamiya ZD MEF Image Format |
| File extension MEG | MEGA Data Format |
| File extension MEGA | Megacubo Metafile |
| File extension MEL | Maya Embedded Language |
| File extension MELL | RedleX Mellel Document Format |
| File extension MELLEL | RedleX Mellel Document Format |
| File extension MEM | Microsoft Visual FoxPro Mem Format |
| File extension MEMB | Pro/ENGINEER Temporary |
| File extension MEN | MenuPro Restaurant Menu Design |
| File extension MENC | Microsoft Windows Mobile Encrypted Format |
| File extension MENU | Apple Mac OS X SystemUIServer MenuExtra Plugin Format |
| File extension MENUDATA | VMWare Cache |
| File extension MEO | MEO Encrypted Format |
| File extension MEQ | Corel WordPerfect Macro Editor Print Queue |
| File extension MER | Corel WordPerfect Macro Editor Resident Area Format |
| File extension MERLIN2 | Merlin Project Format |
| File extension MERLINLICENSE | Merlin License Format |
| File extension MES | Corel WordPerfect Macro Editor Work Space |
| File extension MESA | OpenGL GLUT |
| File extension MESH | 3D Graphic Format |
| File extension MET | EMule Cached Information Format |
| File extension META | RealPlayer Metafile |
| File extension META4 | Metalink 4.0 |
| File extension METADATA_NEVER_INDEX | Spotlight Never Index Format |
| File extension METALINK | Metalink 3.0 |
| File extension METASTOCK | Metastock Data |
| File extension METRICLOG | Apple IOS Diagnostic |
| File extension MEU | DOS Shell Menu Group |
| File extension MEW | MultiEdit Configuration |
| File extension MEX | Corel WordPerfect Macro Editor Expound Format |
| File extension MEX4 | Sun-4/SPARC Dynamically Linked Subroutines |
| File extension MEXDS | MATlab Dynamically Linked Subroutines |
| File extension MEXHP3 | Matlab HP9000/series 300 Dynamically Linked Subroutines |
| File extension MEXHP7 | Matlab HP9000/series 700 Dynamically Linked Subroutines |
| File extension MEXN | Matlab NeXT Dynamically Linked Subroutines |
| File extension MEXRS6 | Matlab IBM RS/6000 Dynamically Linked Subroutines |
| File extension MEXSG | Matlab Dynamically Linked Subroutine |
| File extension MEXW32 | MATlab Program Executable |
| File extension MF | Java Manifest Format |
| File extension MF2 | Authorware Mediator5 Multimedia |
| File extension MF4 | Version 4.0 Measurement Data Format |
| File extension MFA | Multimedia Fusion Development Format |
| File extension MFALIST | Ashampoo Photo Commander Slideshow List |
| File extension MFASL | Netscape XUL Fastload Format |
| File extension MFCRIBBON-MS | MFC Ribbon Definition XML Format |
| File extension MFD | Adobe Multiple Master Font Metrics Directory |
| File extension MFE | Character Studio Format |
| File extension MFF | Cakewalk MIDI |
| File extension MFG | ProEngineer Manufacturing |
| File extension MFI | Windows 98 Resource Kit |
| File extension MFIL | Blizzard Software Update Format |
| File extension MFJ | MOBCAL Data |
| File extension MFK | Memsoft OS/2 Database |
| File extension MFL | Mozilla Firefox XUL Fastload Format |
| File extension MFM | VTeX Multiple Master Font Metrics |
| File extension MFO | Mediaface Online CD Label Software Project Format |
| File extension MFP | MediaFACE CD Label Software Format |
| File extension MFPS | Scientific Calculator Plus Script |
| File extension MFR | Autodesk Moldflow Result |
| File extension MFS | MetFS Encrypted FUSE Based Formatsystem Format |
| File extension MFT | Mediaface Project Template Format |
| File extension MFU | Backdoor.Win32.Agent.mfu Virus Format |
| File extension MFV | MobileFrame Device Pack Format |
| File extension MFW | Motorola MSS Box Firmware Format |
| File extension MFX | Multimedia Fusion Extension Format |
| File extension MG | EarAche Audio |
| File extension MG1 | MusiGenesis Project |
| File extension MG2 | Band-in-a-Box Song |
| File extension MG4 | Band-in-a-Box Song |
| File extension MG9 | Band-in-a-Box Song |
| File extension MGA | Manga Comics Document Format |
| File extension MGB | Paragon5 Gameboy Tracker Audio |
| File extension MGC | MGCSoft Equation Illustrator Data Format |
| File extension MGCB | MGCSoft Equation Illustrator Project Format |
| File extension MGD | Master Grade Gradebook |
| File extension MGDATABASE | MacGourmet Deluxe Database Format |
| File extension MGE | MGE Data Server Project |
| File extension MGF | ASCII-based 3D Rendering Materials And Geometry Format |
| File extension MGK | ImageMagick Settings Format |
| File extension MGL | Age Of Empires II Age Of Kings Game Format |
| File extension MGLR | Magellan Routes |
| File extension MGLT | Magellan Tracklogs |
| File extension MGLW | Magellan Waypoint |
| File extension MGM | MGCSoft Equation Editor Macro File Format |
| File extension MGMF | MindGenius Mind Map |
| File extension MGMT | MindGenius 2-3 Template |
| File extension MGMX | MindGenius Map Format |
| File extension MGN | Modern Genealogy Database |
| File extension MGO | MacGourmet Recipe Format |
| File extension MGOURMET | Mariner MacGourmet Document Format |
| File extension MGOURMET3 | Mariner MacGourmet Document Format |
| File extension MGR | MGR Bitmap Image |
| File extension MGS | MGCSoft Vector Shapes Format |
| File extension MGSPOT | MacGourmet Metadata |
| File extension MGT | ZX Spectrum Emulator Disk Image |
| File extension MGTHEME | MacGourmet Theme Format |
| File extension MGTX | MindGenius XML Template Format |
| File extension MGU | Band-in-a-Box MIDI |
| File extension MGV | Sony PSP Video Format |
| File extension MGX | Micrografx Designer Drawing Format |
| File extension MGZ | Metal Gear Solid Game Archive |
| File extension MHD | Fallout 3 |
| File extension MHE | MHwinEHE Project |
| File extension MHK | Riven Movie Data |
| File extension MHP | Mailshift Internet Mail Document |
| File extension MHS | Xilinx Platform Studio Hardware Specification Format |
| File extension MHT | Mime HTML (MHTML) Format |
| File extension MHTENX | Egis Encrypted HTM |
| File extension MHTM | Mime HTML (MHTML) |
| File extension MHTML | Mime MHTML Format |
| File extension MHTMLENX | Egis Encrypted MHTML |
| File extension MHV | Husqvarna Viking Data |
| File extension MI | AutoVue Graphic Plugin |
| File extension MI2 | Autodesk Softimage |
| File extension MI4 | NVidia PortalPlayer Firmware Update Format |
| File extension MIB | MyInfo Topic Backup |
| File extension MIC | Microsoft Image Composer Image Format |
| File extension MID | MIDI Audio Format |
| File extension MIDI | MIDI-sequention Sound Format |
| File extension MIF | ImageMagick Image Format Format |
| File extension MIFF | Magick Image |
| File extension MIG | Windows Easy Transfer Migration Data Format |
| File extension MIH | MRtrix Image Header |
| File extension MII | Nintendo Wii Virtual Avatar Format |
| File extension MIK | MapInfo MapImagery Encryption Key |
| File extension MIL | Micro Illustrator Uncompressed Image |
| File extension MILK | Winamp MilkDrop Plugin Configuration Format |
| File extension MILLPST | BobCAD Post Processor Data |
| File extension MIM | Multi-Purpose Internet Mail Extensions Format |
| File extension MIME | Multi-Purpose Internet Mail Extensions (MIME) File Format Format (RFC822) |
| File extension MIN | Minute Maker Format |
| File extension MINDNODE | MindNode Document Format |
| File extension MINE | Minecraft Map Format |
| File extension MINESWEEPERSAVE-MS | Microsoft MineSweeper Save Format |
| File extension MINGW32 | Mingw Compiler |
| File extension MINI2SF | Nintendo DS Sound Information Format |
| File extension MININCSF | NCSF Nintendo DS Audio Format |
| File extension MINIPSF | Miniature PlayStation Sound Format |
| File extension MINIPSF2 | Miniature PlayStation Sound Format |
| File extension MINISO | DVDFab Miniso Disk Image |
| File extension MINIUSF | Nintendo 64 Song Format |
| File extension MINT | Linux Mint Installer Format |
| File extension MIO | MIO Multimedia Format |
| File extension MIP | Corel PaintShop Pro Multiple Image Print Format |
| File extension MIPR | MacImage Hybrid CD-ROM Project |
| File extension MIR | Mini Image Ripper Disk Image Format |
| File extension MIRADI | Miradi Project |
| File extension MIS | Mission Format |
| File extension MISO | MacImage ISO+ Project |
| File extension MISSION | MissionMaker Project Format |
| File extension MIT | MineEdit Inventory Template Format |
| File extension MIV | MapImagery Vendor Profile |
| File extension MIX | Microsoft PhotoDraw Image |
| File extension MIZ | Winamp Compressed Midi |
| File extension MJ2 | JPEG 2000 Motion Sequence Format (ISO 15444-3) Format |
| File extension MJ3 | Id Software Online Sale |
| File extension MJBOOKTEMPLATE | MacJournal Book Template |
| File extension MJD | Adobe Acrobat MIME Encoded Job Definition Format |
| File extension MJDOC | MacJournal Document Format |
| File extension MJF | Mjuice MP3 Audio |
| File extension MJG | Trojan |
| File extension MJP | VTech MJP Video Format |
| File extension MJP2 | JPEG 2000 Motion Sequence Format (ISO 15444-3) |
| File extension MJPG | Motion JPEG Video Format |
| File extension MJR | Media Jukebox Registration |
| File extension MJZ | Trojan.Win32.Agent.mjz |
| File extension MK | Make Format |
| File extension MK3D | Matroska MKV 3D Stereoscopic Video Format |
| File extension MK4 | Schiller Medilog ECG Raw Data Format |
| File extension MKA | Matroska Audio Format |
| File extension MKB | Marmalade SDK Project |
| File extension MKC | MagicKey Currency Exchange Rate |
| File extension MKD | Markdown Markup Language |
| File extension MKDN | Markdown Markup Language |
| File extension MKE | Microsoft Windows SDK Make |
| File extension MKEXT | Mac OS X Mach Kernel Extension Memory Cache |
| File extension MKEY | CompeGPS Land Registration Key |
| File extension MKEYB | CompeGPS Land Registration Key |
| File extension MKH | WinMark Pro Mark |
| File extension MKII | Mark2 SoundSystem Audio |
| File extension MKJ | MKJamz Audio |
| File extension MKP | Cinestar Remote Control Configuration |
| File extension MKR | Train Simulator Marker |
| File extension MKS | Matroska Subtitles Stream |
| File extension MKT | Visual FoxPro Configuration |
| File extension MKV | Matroska Video-audio Multimedia Format |
| File extension MKV3D | Matroska 3D Video Format |
| File extension MKY | MagicKey Configuration |
| File extension MKZ | PokerOffice Database Backup |
| File extension ML | ML Language Source Code Format |
| File extension ML2 | Tripos MOL2 Molecule |
| File extension ML20 | Mercury Messenger For Mac Video |
| File extension ML3 | Milestones Project |
| File extension ML4 | Milestones 4 Schedule |
| File extension ML5 | Milestones Project |
| File extension ML9 | Milestones Professional 2004U Schedule |
| File extension MLA | WorshipCenter Pro Document |
| File extension MLB | Microsoft Windows Mobile Media Library Format |
| File extension MLC | Microsoft Windows Language Interface Pack Format |
| File extension MLD | I-Melody Format For I-Mode |
| File extension MLE | MAirList Event List |
| File extension MLF | Package Download Profile |
| File extension MLG | IBM Communications Server Message |
| File extension MLI | F# Source Code |
| File extension MLIB | Model Library |
| File extension MLK | Sierra MasterCook Look Format |
| File extension MLL | AutoDesk Maya Plug-in Format |
| File extension MLM | Novell GroupWise Saved Email Message |
| File extension MLN | Alchemy Source |
| File extension MLOCATE | Gnome Desktop |
| File extension MLP | Meridian Lossless Packing Audio Format |
| File extension MLR | Mollier Sketcher |
| File extension MLS | Miles Sound Tools Compressed DLS Format |
| File extension MLSXML | Skype XML |
| File extension MLT | Forecast Pro Multivariate Forecast |
| File extension MLV | LabVIEW Mathscript |
| File extension MLW | MainLog Data |
| File extension MLX | Starcraft Saved Game |
| File extension MLY | OCaml Ocamlyacc Input |
| File extension MM | Apple Xcode Core Objective-C Program Source Code Format |
| File extension MM1 | ActiveXperts MMS Toolkit Settings |
| File extension MM3 | Mortgage Minder Saved Mortgage Configuration |
| File extension MM4 | Microsoft Windows Word Processing Format |
| File extension MM6 | Might And Magic 6 Saved Game Format |
| File extension MM7 | Might And Magic 7 Saved Game Format |
| File extension MM8 | MusicMaker V8 Audio Format |
| File extension MMA | Master Album Maker Album Format |
| File extension MMAP | MindManager Map Format |
| File extension MMAS | MindManager Theme |
| File extension MMAT | MindManager Template Format |
| File extension MMB | MultiMedia Builder |
| File extension MMC | Microsoft Office XP Media Content Format |
| File extension MMCH | CodeWarrior Compiled Hdr |
| File extension MMCOLLECTION | Microsoft Outlook Mail Manager Plug-in Collection Format |
| File extension MMD | Mangodata Multi-user Database |
| File extension MMDC | MediaMonkey Mobile Device Settings Format |
| File extension MMDF | Multi-channel Memorandum Distribution Facility Mailbox Format |
| File extension MMDL | SAPPHIRE Structure Model |
| File extension MMDR | Adobe Director |
| File extension MME | Multipurpose Internet Mail Extensions Format |
| File extension MMF | Microsoft Mail Message Format |
| File extension MMG | MKVToolNix Muxing Settings |
| File extension MMH | Dragon Age Model Mesh Heirarchy |
| File extension MMIP | MediaMonkey Installation Format |
| File extension MMJS | Adobe JavaScript Document |
| File extension MMK | MACSIMUS Define |
| File extension MML | Adobe FrameMaker Format |
| File extension MMM | MultiMedia Movie Format (RIFF RMMP) |
| File extension MMN | Memory-Map Navigator Overlay Object |
| File extension MMO | RapidFile Memo Document Format |
| File extension MMP | MixMeister Studio Playlist Format |
| File extension MMPA | MoreMotion Application Studio Page |
| File extension MMPF | CodeWarrior Preference |
| File extension MMPR | CodeWarrior Project |
| File extension MMPZ | Linux MultiMedia Studio Project |
| File extension MMRC | MADRIX MIDI Remote Configuration |
| File extension MMS | Miles Sound Tools |
| File extension MMSW | Movie Magic Screenwriter Document |
| File extension MMT | CoCo Systems VisiMap |
| File extension MMU | MyPM Merge Data Format |
| File extension MMV | MicroMV Movie Format |
| File extension MMW | AceMoney Financial Data Format |
| File extension MMX | Command And Conquer Game |
| File extension MMZ | MusicMatch Theme |
| File extension MN1 | Microsoft Money Version 1 Data |
| File extension MN2 | Descent 2 Mission |
| File extension MN3 | Descent 3 Mission |
| File extension MN4 | Microsoft Money 95 Data |
| File extension MN5 | Microsoft Money 97 Data |
| File extension MN6 | Microsoft Money 98 Data |
| File extension MN7 | Microsoft Money 99 Data |
| File extension MN8 | Microsoft Money 2000 Data |
| File extension MN9 | Microsoft Money 2001 Data |
| File extension MNB | MuPAD |
| File extension MNC | AutoCAD Compiled Menu Format |
| File extension MND | AutoCAD Menu Compiler |
| File extension MNE | Microsoft Money |
| File extension MNF | ADAMS/Flex |
| File extension MNG | Multiple Network Graphics |
| File extension MNH | Master Navigator Header Format |
| File extension MNI | Star Trek Elite Force 2 Game |
| File extension MNIT | FlashPeak SlimBrowser |
| File extension MNK | My Notes Keeper Notebook Format |
| File extension MNL | Autodesk AutoCAD Menu LISP Format |
| File extension MNM | Autodesk 3D Studio Max Character Studio Marker Name Format |
| File extension MNO | Macromedia Design Note |
| File extension MNP | Ultrasoft Money |
| File extension MNR | Autodesk AutoCAD Compiled Menu Format |
| File extension MNS | AutoCAD Interface Settings Format |
| File extension MNT | Visual FoxPro Additional Menu Description Format |
| File extension MNU | Autodesk AutoCAD Menu Format |
| File extension MNV | Sony PlayStation Movie Format |
| File extension MNX | Visual FoxPro Main (DBF) Menu Description Format |
| File extension MNY | Microsoft Money Data Format |
| File extension MO | GNU Gettext Machine Object Format |
| File extension MO3 | MO3 MOD Audio Format |
| File extension MO? | Standard Mail Archive |
| File extension MOB | MOBTV Video Format |
| File extension MOBI | Mobipocket EBook Format |
| File extension MOBILECONFIG | Apple IPhone Mobile Configuration Profile |
| File extension MOBILEPROVISION | IOS Mobile Device Provisioning Profile Format |
| File extension MOC | MOCHA Java Script |
| File extension MOCHA | Adobe Mocha For Adobe After Effects |
| File extension MOD | Hard Disk Camera Movie MPEG-2 Program Stream Format |
| File extension MODD | Sony Video Analysis Format |
| File extension MODE | Coda For Mac Plugin Format |
| File extension MODE1V3 | Xcode Project Settings |
| File extension MODE2V3 | Xcode Project Related |
| File extension MODEL | CATIA V4 Model Format |
| File extension MODELPROJ | Microsoft Visual Studio Modelling Project |
| File extension MODULE | Drupal Module Format |
| File extension MODUS | Adobe Mocha For Adobe After Effects Modus |
| File extension MOF | Systems Management Server Managed Object Format |
| File extension MOFF | Sony AVCHD Index Format |
| File extension MOG | Football Mogul |
| File extension MOGG | Multitrack Digital Audio Format |
| File extension MOHO | Anime Studio Animation Project Format |
| File extension MOI | JVC Everio Digital Audio Format |
| File extension MOJITO | Limewire Kademlia |
| File extension MOKEY | Adobe Mocha For Adobe After Effects Mokey |
| File extension MOL | MDL Molfile Molecule Format |
| File extension MOL2 | Portable Representation Of A SYBYL Molecule |
| File extension MOLOGIQ | HTC EVO 3D |
| File extension MOM | Managed Object Model |
| File extension MOMMA | Offspring Fling Replay Format |
| File extension MON | Firefox Monday Bookmark Backup |
| File extension MONET | Adobe Mocha For Adobe After Effects Monet |
| File extension MONEY | Money Data Format |
| File extension MONEYWELL | MoneyWell Financial Data Format |
| File extension MONITORPANEL | Apple Mac OS X Display Panel Extension |
| File extension MONO | Bi-level Bitmap |
| File extension MONTAGE | Montage Screenplay Format |
| File extension MONTE | CRiSP Harvest |
| File extension MOO | Apple QuickTime Movie Clip |
| File extension MOOD | Amarok Moodbar Data |
| File extension MOOV | Apple QuickTime Movie Format |
| File extension MOP | MOPAC Input Format |
| File extension MOPINT | Mopac Internal Chemical Modeller Input |
| File extension MOPOUT | MOPAC Chemical Output |
| File extension MOPP | Havok Engine |
| File extension MOR | Corel Shared Writing Tools |
| File extension MORG | Morg |
| File extension MORSE | Ringtone Morse Code |
| File extension MOS | Mamiya Digital Camera RAW Image Format |
| File extension MOSAIC | MacOSaiX Mosaic Format |
| File extension MOSS | Netscape Navigator For Mac HTML |
| File extension MOT | LightWave Motion Format |
| File extension MOTN | Apple Motion Motion |
| File extension MOTOR | Adobe Mocha For Adobe After Effects Motor |
| File extension MOU | MOU Compressed Format |
| File extension MOV | Apple QuickTime Digital Movie Format |
| File extension MOVIE | Apple QuickTime Movie Format |
| File extension MOX | ExtendSim Model Format |
| File extension MOXEL | Adobe Mocha For Adobe After Effects Moxel |
| File extension MOZ | Netscape Temporary Cache Format |
| File extension MOZ-BACKUP | Mozilla Backup |
| File extension MOZ-DELETE | Mozilla Firefox Update |
| File extension MOZ-UPGRADE | Mozilla Firefox Upgrade |
| File extension MOZEML | Mozilla Thunderbird Mail Message |
| File extension MP | Autodesk Maya Personal Learning Edition Format |
| File extension MP+ | MPEG Plus Audio |
| File extension MP1 | MPEG Audio Stream, Layer I Format |
| File extension MP10 | NI Multisim V10 Project Format |
| File extension MP11 | NI Multisim V11 Project Format |
| File extension MP2 | Sound File (MPEG-1 Layer II Audio Stream) |
| File extension MP21 | MPEG-21 Multimedia Format |
| File extension MP2A | Sound File (MPEG-1 Layer II Audio Stream) |
| File extension MP2M | Max Payne 2 Mod Format |
| File extension MP2S | Max Payne 2 Saved Game Format |
| File extension MP2V | MPEG Video Format |
| File extension MP3 | Compressed Audio And Music File, Mp3 Songs Or Ringtones |
| File extension MP3A | Renamed MP3 |
| File extension MP3G | WinCDG Pro MP3+G Karaoke |
| File extension MP4 | MPEG-4 Video File Format |
| File extension MP4INFOVID | Parrot AR Drone And Gyro Flyer Video |
| File extension MP4A | MPEG-4 MP4A Codec Audio |
| File extension MP4B | MPEG-4 Audio Layer Bookmarkable |
| File extension MP4V | MPEG-4 Video Format |
| File extension MP5 | Maple Windows DOS |
| File extension MP7 | NI Multisim V7 Project Format |
| File extension MP8 | NI Multisim V8 Project |
| File extension MP9 | NI Multisim V9 Project Format |
| File extension MP? | LoseThos Compiler Map |
| File extension MPA | MPEG Audio Format |
| File extension MPB | MyPhoneExplorer Backup Format |
| File extension MPC | MusePack Audio Format |
| File extension MPCPL | Media Player Classics Playlist Format |
| File extension MPD | Microsoft Project Database Format |
| File extension MPDB | Windows Media Player Database |
| File extension MPDCONF | Music Player Daemon Settings Format |
| File extension MPDP | MixPad Project Format |
| File extension MPDS | MADRIX Plexus Settings |
| File extension MPE | MPEG Movie (Motion Pictures Experts Group) |
| File extension MPEG | MPEG Movie |
| File extension MPEG1 | Multiplexed MPEG-1/2 Format |
| File extension MPEG2 | Multiplexed MPEG-1/2 |
| File extension MPEG4 | MPEG-4 Video Format |
| File extension MPEGA | MPEG Sound |
| File extension MPF | Microsoft Design Gallery Format |
| File extension MPG | MPEG 1 Video File Format |
| File extension MPG2 | MPEG-2 Video Format |
| File extension MPG3 | MP3 Audio File For Mac |
| File extension MPG4 | MPEG-4 Video |
| File extension MPGA | Mpeg-1 Layer3 Audio Stream |
| File extension MPGINDEX | Adobe MPEG Index Format |
| File extension MPGV | MPEG-2 Video |
| File extension MPH | Microsoft Publisher |
| File extension MPI | InstallJammer Project Format |
| File extension MPJ | MINITAB Spreadsheet Project Format |
| File extension MPK | Painkiller Overdose Game Map Format |
| File extension MPKG | Meta Package Format |
| File extension MPKT | MOPEKS Trial |
| File extension MPL | AVCHD Playlist Format |
| File extension MPLF | CodeWarrior Library |
| File extension MPLS | Blu-ray Movie Playlist Information Format |
| File extension MPM | Corel WordPerfect MathPlan Macro Format |
| File extension MPNT | MacPaint Image Format |
| File extension MPO | CIPA Multi-Picture Format |
| File extension MPP | Microsoft Project Plan Format |
| File extension MPPX | Microsoft Project Project |
| File extension MPPZ | MagicPlot Project Format |
| File extension MPP_ | Microsoft Project For Mac Plan |
| File extension MPQ | Blizzard Entertainment Archive |
| File extension MPQE | Blizzard Encrypted Game Data |
| File extension MPR | Visual FoxPro Generated Menu Program |
| File extension MPRJ | Maschine Project |
| File extension MPS | Microsoft Pocket Streets Map Format |
| File extension MPSUB | Subtitle Format |
| File extension MPSY | CodeWarrior Debug Symb |
| File extension MPS_ | MPW Shell |
| File extension MPT | Microsoft Project Template Tile |
| File extension MPU | MPEG Layer 3 Audio Format |
| File extension MPV | MPEG 1 Video Format |
| File extension MPV2 | MPEG II Video Format |
| File extension MPVF | CompeGPS Land Fast Vector Map |
| File extension MPW | Microsoft Project Workspace Format |
| File extension MPWD | MacWrite Pro |
| File extension MPWR | MacWrite Pro |
| File extension MPX | Microsoft Project Export Format |
| File extension MPZ | Miradi Project Format |
| File extension MPZIP | Multisim Pack Format |
| File extension MP_ | Mobile Phone Sound Format |
| File extension MQ4 | MetaTrader Custom Indicator Format |
| File extension MQH | MetaTrader Trading Terminal |
| File extension MQL | MetaTrader Indicator |
| File extension MQO | Metasequoia 3D Image Format |
| File extension MQT | MetaQuotes Language 4 MQL4 Template |
| File extension MQV | Sony Movie Player File Format |
| File extension MRAW | Photron Camera RAW Image |
| File extension MRB | C++ Multiple Resolution Bitmap Graphic Format |
| File extension MRC | MIRC Script Format |
| File extension MRD | MathRevolt Infinity Document |
| File extension MREC | MADRIX Record |
| File extension MRF | Macintosh Font |
| File extension MRG | MySQL Reference Format |
| File extension MRIMG | Macrium Reflect Disk Image Backup |
| File extension MRK | DPOF Digital Print Order Format Auto Print Order Format |
| File extension MRL | MRLR Multimedia Retrival Markup Language |
| File extension MRM | Gothic 2 |
| File extension MRML | 3D Slicer Scene Description Format |
| File extension MRO | SharpEye Music Reader |
| File extension MRP | Infinity Solution Plot |
| File extension MRS | Corel WordPerfect Macro Resource Format |
| File extension MRT | Microsoft Visio 2010 Installation Archive Format |
| File extension MRV | MarvinSketch |
| File extension MRW | Minolta Dimage RAW Image Format |
| File extension MRXS | MIRAX Virtual Slide Format |
| File extension MS | 3D Studio Max Script Source Code |
| File extension MS-TNEF | Microsoft Transport Neutral Encapsulation Format |
| File extension MS1 | VirtualBus Map Format |
| File extension MS10 | NI Multisim V10 Circuit Design Format |
| File extension MS11 | NI Multisim V11 Circuit Design Format |
| File extension MS2 | SEQUEST Ms2 |
| File extension MS3D | MilkShape 3D Model Format |
| File extension MS7 | NI Multisim V7 Circuit Design Format |
| File extension MS8 | NI Multisim V8 Circuit Design Format |
| File extension MS9 | NI Multisim V9 Circuit Design Format |
| File extension MSA | Magic Shadow Archiver Atari Disk Image |
| File extension MSB | The Bat! Format |
| File extension MSC | Microsoft Management Console Control Format |
| File extension MSCG | Microsoft Clip Art Gallery For Mac |
| File extension MSCR | Rename Master Scrip |
| File extension MSCT | MOPEKS Script |
| File extension MSCX | MuseScore Music Score Format |
| File extension MSCX, | MuseScore Music Score Backup |
| File extension MSCZ | MuseScore Compressed Music Score Format |
| File extension MSCZ, | MuseScore Music Score Backup |
| File extension MSD | Map Service Definition Format |
| File extension MSDEV | Microsoft Visual C+ Make |
| File extension MSDL | Manchester Scene Description Language |
| File extension MSDM | Microsoft Windows |
| File extension MSDVD | Microsoft Windows DVD Maker Format |
| File extension MSE | 3D Studio Max Encrypted MAXScript Format |
| File extension MSE-INSTALLER | Magic Set Editor Installer |
| File extension MSF | Mozilla Thunderbird Mail Summary Format |
| File extension MSG | Saved Email Message |
| File extension MSGR | Microsoft Graph 5 |
| File extension MSH | MASH Microsoft Agent Script Helper Format |
| File extension MSHA | Microsoft Help Library Help Manifest Format |
| File extension MSHC | Microsoft Help Container Format |
| File extension MSHDB | Ministry Scheduler Pro Database |
| File extension MSHI | Microsoft Help Index Format |
| File extension MSHXML | Microsoft XML Typedata |
| File extension MSI | Microsoft Windows Installer Installation Package |
| File extension MSIE | Microsoft Internet Explorer For Mac HTML |
| File extension MSIF | MyLabel Designer Deluxe Label Format |
| File extension MSIL | Microsoft Intermediate Language |
| File extension MSJ | MicroSurvey CAD Temporary |
| File extension MSK | Corel PaintShop Photo Pro Mask Image Format |
| File extension MSKIN | Maxthon Skin |
| File extension MSKN | MediaMonkey Skin Format |
| File extension MSL | Miranda IM Smiley Definitions |
| File extension MSLZ | Archive |
| File extension MSM | Windows Installer Merge Module |
| File extension MSMESSAGESTORE | Windows Mail Message Information Database |
| File extension MSN | Microsoft Windows Network Related Format |
| File extension MSO | Microsoft Organization Chart Chart Format |
| File extension MSOF | Microsoft Office For Mac |
| File extension MSP | Windows Installer Patch Format |
| File extension MSPX | Microsoft XML-based Web Page |
| File extension MSRCINCIDENT | Microsoft Windows Remote Assistance Request Format |
| File extension MSS | Miles Sound System DLS 1 Sound Format |
| File extension MSSTYLE | Windows XP Unsigned Style |
| File extension MSSTYLES | Microsoft Windows Resources Themes Luna Format |
| File extension MST | Windows Installer Transform Script Format |
| File extension MSTAT | SAM Domain Output |
| File extension MSTT | Prosa Minispecification |
| File extension MSU | Microsoft Update Standalone Package Format |
| File extension MSV | Sony Memory Stick Compressed Voice Files |
| File extension MSVC | Microsoft Visual C++ Compiler Makefile |
| File extension MSW | Microsoft Word 5 Document Format |
| File extension MSWD | Microsoft Word For Mac Document |
| File extension MSWK | Microsoft Works For Mac |
| File extension MSWMM | Microsoft Windows Movie Maker Project Format |
| File extension MSX | Age Of Empires II Saved Game |
| File extension MSYM | ArchiCAD For MAC Geometric Description Language |
| File extension MSZ | MediaMonkey Skin |
| File extension MS_ | Microsoft Windows Winhelp Compressed |
| File extension MT2 | MadTracker 2 Module Format |
| File extension MT9 | MT9 Audio Format |
| File extension MTA | Samsung AllShare Metadata Format |
| File extension MTB | MediaTracker Database Backup |
| File extension MTC | MediaTracker Database |
| File extension MTD | Musicnotes Digital Music Sheet Format |
| File extension MTDD | MEDITECH Document Definition |
| File extension MTE | MadTracker Envelope Gile |
| File extension MTF | Motorola Theme Format |
| File extension MTG | Making The Grade |
| File extension MTH | Derive Math Format |
| File extension MTHD | MOPEKS Method |
| File extension MTI | MadTracker 2 Instrument Format |
| File extension MTIFF | Multi-page Tiff |
| File extension MTK | MPU-401 Trakker |
| File extension MTKEY | ProDAD Heroglyph License |
| File extension MTKT | MTK GPS Receiver Data |
| File extension MTL | OBJ Material Format |
| File extension MTM | MultiTracker Music Module (MOD) Format |
| File extension MTML | Meaningful Text Markup Language |
| File extension MTN | Match! Database |
| File extension MTO | FastCAM MTO Data |
| File extension MTP | Minitab Portable Worksheet Format |
| File extension MTR | RealFight Radio Control |
| File extension MTRA | MascotCapsule Resource |
| File extension MTS | AVCHD MPEG-2 Transport Stream Format |
| File extension MTS1 | MPEG-2 Transport Stream |
| File extension MTT | Microsoft Messenger Saved Contact Format Format |
| File extension MTV | MTV Video Format |
| File extension MTW | Minitab Data Format |
| File extension MTX | Microsoft Visual Studio Manual Test Text Format |
| File extension MTXT | MOPEKS Problem |
| File extension MTZ | Compressed MetaStream Scene Format |
| File extension MT_ | Encore Compressed |
| File extension MU | Corel Quattro Pro For DOS Menu Definition Format |
| File extension MU3 | Myriad Packed Musical Score |
| File extension MUC | Music Collector Collection Data |
| File extension MUD | Textease Multi User Database |
| File extension MUF | Alpha Five Access Control Format |
| File extension MUG | Hanes T-ShirtMaker Document |
| File extension MUI | MultiLanguage Windows Resource Format |
| File extension MUIMANIFEST | Microsoft Windows Multilingual User Interface |
| File extension MUI_CCCD5AE0 | Hid User Library |
| File extension MUL | Ultima Online Game |
| File extension MULIB | Adobe Muse Exported Library |
| File extension MULT | SAM Alignment Output |
| File extension MUM | Windows Vista Update Package Format |
| File extension MUP | Music Publisher Data Format |
| File extension MUS | Finale Music File Format |
| File extension MUS10 | Audio |
| File extension MUSA | Aleph One Music Format |
| File extension MUSE | Adobe Muse Project Format |
| File extension MUSX | Min‐U‐Script Xpress Transcript Data |
| File extension MUT | Integrative Genomics Viewer Mutations List |
| File extension MUX | TrackMania Music Format |
| File extension MUZ | MUZ Audio Format |
| File extension MV | IRIX Command Compressed Movie Format |
| File extension MV1 | Video |
| File extension MV4 | Apple QuickTime Video |
| File extension MV85 | Adobe Director For Mac Movie |
| File extension MV93 | Adobe Director For Mac Movie |
| File extension MV95 | Adobe Director For Mac Movie |
| File extension MVA | Microsoft Setup Archive |
| File extension MVB | Multimedia Viewer Book Format |
| File extension MVC | Sony Digital Mavica Photo Image Format |
| File extension MVD | Movie Edit Pro Video Format |
| File extension MVDX | MindView MindMap Archive |
| File extension MVE | Interplay Video Format |
| File extension MVEX | Muvee AutoProducer Unicode Document Format |
| File extension MVF | AutoFlix Stop Frame |
| File extension MVG | ImageMagick Proprietary Vector Graphics Format |
| File extension MVI | Autodesk AutoCAD Movie Command Format |
| File extension MVL | Medison 3D Volume Data |
| File extension MVM | MAGIX PhotoStory On DVD Slideshow |
| File extension MVP | Movie Edit Pro Video Project Format |
| File extension MVR | IBM HotMedia Multimedia Format |
| File extension MVS | MusicMatch Jukebox Visualization Format |
| File extension MVT | Ultimate Wish Lists Template |
| File extension MVV | AVS Media Player MPEG Video |
| File extension MVW | Saber LAN Log |
| File extension MVX | Multimedia Fusion Movement Extension Format |
| File extension MVY | MAGIX Video Easy Project Format |
| File extension MV_ | Magix Movie Edit Pro Movie Backup Format |
| File extension MW | Maple Worksheet Format |
| File extension MW2 | MicroWorlds Logo Activity |
| File extension MW2D | Apple MacWrite |
| File extension MW2S | MacWrite II Model |
| File extension MW4 | MechWarrior Game Structure File Archive |
| File extension MWAND | Apple GarageBand MagicMentor Tepmplate Format |
| File extension MWAV | Extended WAV |
| File extension MWB | MySQL Workbench Database Models |
| File extension MWC | Make Project Creator Input |
| File extension MWD | Mariner Write Document Format |
| File extension MWDP | CodeWarrior Debugger |
| File extension MWE | OpenArchitectureWare Workflow |
| File extension MWF | MapGuide Format |
| File extension MWI | Medlin Payroll Software Invoice Layout Information |
| File extension MWII | MacWrite II Text Document |
| File extension MWK | MusicWrite Music Score |
| File extension MWLIC | MoneyWell License Information Format |
| File extension MWP | Lotus Word Pro 97 Smartmaster Format |
| File extension MWPD | MacWrite Pro Document |
| File extension MWPP | MacWrite Pro Document |
| File extension MWPR | MacWrite Pro |
| File extension MWS | Maple Spreadsheet Document Format |
| File extension MWT | MetaStock Stock Analysis Template |
| File extension MWX | Autodesk MapGuide Author Map Window XML Format |
| File extension MX | Matlab Common Matrix Routines Format |
| File extension MX1 | Coucoucircus.org Audio Temporary |
| File extension MX2 | MasterCook Recipe |
| File extension MX3 | Mixcraft Project Format |
| File extension MX4 | Mixcraft 4 Audio Format |
| File extension MX5 | Mixcraft 5 Audio Format |
| File extension MX5TEMPLATE | Mixcraft Audio Project Template Format |
| File extension MX6 | Mixcraft 6 Audio |
| File extension MXAD | Mandelbrot Explorer All Data Format |
| File extension MXADDON | Maxthon Addon Format |
| File extension MXC | ArcView Geocoding Index For Read-write Coverages |
| File extension MXC2 | MAGIX Music Maker Cache |
| File extension MXC3 | Magix Photo Manager Thumbnail Cache |
| File extension MXCS | Mandelbrot Explorer Colour Scheme Format |
| File extension MXD | ArcGIS Map Document Format |
| File extension MXDIC | Maxthon Dictionary Format |
| File extension MXDL | Maxthon Incomplete Download |
| File extension MXE | Corel Quattro Pro Startup Macro Format |
| File extension MXF | Material Exchange Format |
| File extension MXFD | ABBYY Form |
| File extension MXFR | Mandelbrot Explorer Fractal Region Format |
| File extension MXG | Miinoto Exchangeable Group Format |
| File extension MXI | Adobe Dreamweaver Extension Manager Format |
| File extension MXIT | MXit Data |
| File extension MXL | Compressed MusicXML Music Notation Format |
| File extension MXM | MixMeister BPM Calculation Format |
| File extension MXMF | Mobile XMF Format |
| File extension MXML | Adobe Flex Interface Component Format |
| File extension MXN | Miinoto Exchangeable Note Format |
| File extension MXP | Adobe (Macromedia) Extension Package Format |
| File extension MXPRJ | Maschine 2.0 Project |
| File extension MXS | Maxwell Render Scene Definition Format |
| File extension MXSD | IBM WebSphere Message Definition |
| File extension MXSKIN | Maxthon Skin Format |
| File extension MXT | ArcGIS ArcMap Map Template Format |
| File extension MXV | MAGIX Movie Edit Pro Video Format |
| File extension MXZ | Maximizer Data |
| File extension MY3D | My3D Tools Exported |
| File extension MYAPP | Microsoft Visual Studio Application XML Format |
| File extension MYB | MYOB Data |
| File extension MYCOLORS | Stardock MyColors Theme Format |
| File extension MYD | MySQL Database Data Format |
| File extension MYDOCS | Send To Format |
| File extension MYE | MYOB |
| File extension MYI | MySQL Database Index Format |
| File extension MYL | MyLogo Maker Image |
| File extension MYO | MYOB Data |
| File extension MYOB | MYOB Data |
| File extension MYOX | MYOB Data |
| File extension MYP | Warhammer Online: Age Of Reckoning |
| File extension MYR | Myriad Music Format |
| File extension MYS | Vineyard Captured Video Format |
| File extension MYV | Vivaldi Studio Score |
| File extension MZ | Mozart Compressed |
| File extension MZ2 | Maze-solver MZ2 |
| File extension MZB | MegaZeux Board |
| File extension MZE | Maze Creator |
| File extension MZF | MediaZip Archive |
| File extension MZP | Autodesk 3D Studio Max MAXScript Zip Package |
| File extension MZT | MOZART Template |
| File extension MZV | Viewpoint Media Player ZoomView Titles |
| File extension MZZ | Microsoft .NET Framework Installation Package Format |
| File extension M_P | Pro/ENGINEER Temporary |
File extensions in alphabetical order: M
The list of file extensions, sorted alphabetically, beginning with the letter M