File Extensions

File Associations and Related File Types

File Extensions Beginning with "M"

.m Mathematica Input File
.m Objective-C Implementation File
.m1a MPEG-1 Audio File
.m1pg iFinish Video Clip
.m1v MPEG-1 Video File
.m2 World or Warcraft Model Object
.m21 AXMEDIS MPEG-21 File
.m21 MPEG-21 File
.m2a MPEG-1 Layer 2 Audio File
.m2p Maxthon 2 Browser Plugin File
.m2p MPEG-2 Program Stream File
.m2s Maxthon 2 Browser Skin File
.m2t HDV Video File
.m2ts Blu-ray BDAV Video File
.m2v MPEG-2 Video
.m3d 3D Model File
.m3g Mobile 3D Graphics Program
.m3u Media Playlist File
.m4 Macro Processor Library
.m4a MPEG-4 Audio File
.m4b MPEG-4 Audio Book File
.m4e MPEG-4 Video File
.m4p iTunes Music Store Audio File
.m4r iPhone Ringtone File
.m4u MPEG-4 Playlist
.m4v iTunes Video File
.ma Maya Project File
.ma1 Monarch Audio File
.mab Mozilla Address Book
.mac MacPaint Image
.mad Access Module Shortcut
.maf Microsoft Access Form
.mag Magic Circuit Layout File
.mag Access Diagram Shortcut File
.magik Magik Source Code File
.mahjongtitanssave-ms Mahjong Titans Saved Game
.mai Microsoft Mail File
.mailhost MSN Mailhost Settings File
.mak Makefile
.make Drush Makefile
.mam Microsoft Access Macro
.man Unix Manual
.manifest Windows Application Manifest File
.map Quake Engine Map File
.map Image Map
.map Weather Defender Map
.mapimail Send To Mail Recipient
.maq Microsoft Access Query
.mar Mariner Calc Spreadsheet
.mar Microsoft Access Report
.mas Access Stored Procedures
.master ASP.NET Master Page
.mat MATLAB MAT-File
.mat Microsoft Access Table Shortcut File
.mat V-Ray Materials File
.mato Atomic Combat Saved Game
.mau Media Attachment Unit
.mav Access View File
.maw Access Data Access Page
.max OmniPage Scanned Document
.max Action Replay Max Save File
.max PaperPort Scanned Document
.max 3ds Max Scene File
.mb Maya Binary Project File
.mbg Mailbag Assistant Mailbox File
.mbg Microsoft Mailbag
.mbi Multi-Bootable Information File
.mbl Logger Pro Data File
.mbm Multi Bitmap File
.mbox E-mail Mailbox File
.mbp Mobipocket Notes File
.mbx Outlook Express Mailbox
.mc1 MedCalc Data File
.mc5 Poser 5 Material File
.mc6 Poser Material Collection File
.mc9 Mastercam 9 Geometry File
.mcd Mathcad Document
.mcfi Maya Initial Fluid Cache File
.mcfp Maya Fluid Cache Playback File
.mci Media Control Interface File
.mco Live Messenger Winks File
.mcr 3ds Max Macroscript File
.mcrp MobyExplorer Encrypted File
.mcs Mathcad Image
.mcx MICRO CADAM-X/6000 Model Data File
.mcz Compressed Poser Material File
.md MDCD Compressed Archive
.md Machine Description File
.md Moneydance Financial Data File
.md0 Alcohol Disk Image Segment 1
.md1 Alcohol Disk Image Segment 2
.md1 GEAR CD/DVD Disc Image
.md2 Quake 2 Player Model
.md2 Alcohol Disk Image Segment 2
.md3 Quake 3 3D Model
.md5 MD5 Checksum File
.mda Access Add-in
.mdb Microsoft Access Database
.mdc Multi Dimension Cube File
.mde ArchiCAD Educational Version Module File
.mde Compiled Access Add-in File
.mdf Media Disc Image File
.mdf Translation Memory Data Find File
.mdf SQL Server Database File
.mdf Measurement Data Format File
.mdi Microsoft Document Imaging File
.mdl MathWorks Simulink Model
.mdl DigiTrakker Module
.mdl Half-Life Model File
.mdl Rational Rose Model File
.mdl Flight Simulator Airplane Model
.mdmp Windows Minidump
.mdn Blank Access Database Template
.mds Media Descriptor File
.mdt GeoMedia Access Database Template
.mdw Access Workgroup File
.mdx Multiple Index File
.mdx Rational XDE Model File
.mdx Extended Media Descriptor File
.mdz Access Wizard Template
.me Readme Text File
.meb PRO100 3D Interior Catalog Element
.med RSView Development Project
.med Amiga MED Sound File
.mel Maya Embedded Language File
.mell Mellel Word Processing File
.mellel Mellel Word Processing Document
.mem Mnemosyne Card Collection
.mem FoxPro Variable File
.mem Macro Editor Macro
.mem Virtual Game Station Memory File
.menc Windows Mobile Encrypted File
.mer RSView Development Runtime File
.mesh 3D Mesh Model
.meta RealPlayer Metafile
.metadata_never_index Spotlight Never Index File
.mex Macro Express File
.mf Java Manifest File
.mfa Multimedia Fusion Development File
.mfo Perl ModInfo Descriptor File
.mfo MediaFace Online Saved File
.mfp MediaFACE Project File
.mfp Macromedia FlashPaper Document
.mfs MetFS Encrypted File System
.mft MediaFACE Project Template
.mfx Multimedia Fusion Extension
.mgc MGCSoft Equation Illustrator File
.mgf Materials and Geometry Format
.mgl Age of Empires 2 Replay File
.mgm MGCSoft Equation Illustrator Macro
.mgs MGCSoft Vector Shapes File
.mgv Yamaha MegaVoice File
.mgv PSP Video File
.mgx Rise of Nations Saved Game
.mgx Age of Empires 2 Expansion Replay File
.mhs Xilinx XPS Hardware Specification File
.mht MHTML Web Archive
.mhtml MIME HTML File
.mic Image Composer File
.mid MIDI File
.midi MIDI File
.mif Management Information Format
.milk MilkDrop Winamp Plugin Preset
.mim Multi-Purpose Internet Mail Message File
.mime Multi-Purpose Internet Mail Extension
.miniusf Nintendo 64 Song File
.mint Linux Mint Installer File
.mio MioEngine Application File
.mip Multiple Image Print File
.mis Saved Game Mission File
.mis Marble Blast Gold Mission File
.mix Command & Conquer Data File
.mix Microsoft Image Exchange File
.mj2 Motion JPEG 2000 Video Clip
.mjp MJPEG Video File
.mjpg Motion JPEG Video File
.mk Makefile
.mka Matroska Audio File
.mkv Matroska Video File
.mlk MasterCook Look File
.mlp Meridian Lossless Packing Audio File
.mls CrystalPlayer Playlist
.mls Milestones Simplicity File
.mm FreeMind Mind Map
.mm6 Might and Magic 6 Saved Game
.mm7 Might and Magic 7 Saved Game
.mm8 Might and Magic 8 Saved Game
.mma Master Album Maker Photo Album File
.mmap MindManager Map File
.mmc Microsoft Media Catalog
.mme Multi-Purpose Internet Mail
.mmf Microsoft Message File
.mmf Synthetic Music Mobile Application File
.mmo Memory Map Overlay File
.mmp Master Album Maker Project
.mmp MixMeister Playlist
.mmp MindManager Mind Map
.mnc My Notes Center Notebook
.mng Yamaha PSR Disk Manager File
.mng Multiple Network Graphic
.mnk My Notes Keeper Notebook
.mnm Character Studio Marker Name File
.mno Macromedia Design Note
.mnt FoxPro Menu Memo
.mnv PlayStation Movie File
.mnx FoxPro Menu
.mny Microsoft Money File
.mo Machine Object File
.mo3 MO3 Audio File
.mob MOBTV Video File
.mobi Mobipocket eBook
.mod ArchiCAD Module
.mod Neverwinter Nights Module
.mod Camcorder Recorded Video File
.mod Amiga Music Module File
.mod Fortran Module File
.modd Sony Video Analysis File
.model CATIA 3D Model FIle
.moho Anime Studio Animation Project
.mom Managed Object Model
.moov Apple QuickTime Movie
.mosaic MacOSaiX Mosaic File
.mov Apple QuickTime Movie
.movie QuickTime Movie File
.mox ExtendSim Simulation Software Model
.mox Montax Imposer Template Document
.moz Mozilla Cache File
.mp Maya PLE Project File
.mp1 MPEG-1 Layer 1 Audio File
.mp2 MPEG Layer II Compressed Audio File
.mp21 AXMEDIS MPEG-21 Object
.mp21 MPEG-21 Multimedia File
.mp2m Max Payne 2 Mod File
.mp2s Max Payne 2 Saved Game
.mp2v MPEG-2 Video File
.mp3 MP3 Audio File
.mp4 MPEG-4 Video File
.mp4v MPEG-4 Video
.mpa MPEG-2 Audio File
.mpc Musepack Compressed Audio File
.mpcpl Media Player Classic Playlist
.mpd File List Creator Playlist
.mpe MPEG Movie File
.mpeg MPEG Movie
.mpeg1 MPEG-1 Video File
.mpeg4 MPEG-4 File
.mpg MPEG Video File
.mpg2 MPEG-2 Video File
.mpga MPEG-1 Layer 3 Audio File
.mpk Project64 Memory Pack File
.mpkg Meta Package File
.mpm Max Payne Modfication File
.mpp Microsoft Project File
.mpq Blizzard Mo'PaQ File
.mpr FoxPro Generated Menu Program
.mps Max Payne Saved Game
.mps Pocket Streets Map File
.mpt Microsoft Project Template
.mpu MPEG Layer 3 Audio File
.mpv2 MPEG-2 Video Stream
.mpx FoxPro Compiled Menu Program
.mpx Microsoft Project Exchange File
.mpz Miradi Project File
.mp_ Mobile Phone Sound File
.mq4 MQL4 Source Code File
.mq5 MQL5 Source Code File
.mqh MetaTrader Include File
.mqv Sony Movie Format File
.mrb Multiple Resolution Bitmap File
.mrc mIRC Script File
.mrk DPOF Auto Print Order File
.mrs GunZ Game Data File
.mrw Minolta Raw Image File
.ms 3ds Max Script File
.ms-tnef MS Transport Neutral Encapsulation Format
.ms10 Multisim 10 Circuit Design File
.ms3d MilkShape 3D Model
.msc Microsoft Management Console Snap-in Control File
.msdvd Windows DVD Maker Project File
.mse 3ds Max Encrypted MAXScript File
.msf Miranda IM Skin File
.msf Mail Summary File
.msg Outlook Mail Message
.msh Visual Communicator Project File
.msi Windows Installer Package
.msk Paint Shop Pro Mask File
.mskn MediaMonkey Skin File
.msm Windows Installer Merge Module
.msn Host Blocking File
.mso Inline E-mail Attachment
.mso Microsoft Office Macro Reference File
.msp Microsoft Paint Bitmap Image
.msp Windows Installer Patch
.mspx Microsoft ASP.NET Web Page
.mss Microprocessor Software Specification File
.msstyle Windows XP Unsigned Style
.msstyles Windows XP Style
.mst Windows Installer Setup Transform File
.msu Windows Vista Update Package
.msv Memory Stick Voice File
.mswmm Windows Movie Maker Project
.mt2 MadTracker 2 Module
.mte MadTracker 2 Envelope
.mtf Translation Memory Translations File
.mtf Motorola Theme File
.mtf MasterCook Tips
.mth Derive Math File
.mti MadTracker Instrument
.mtm MultiTracker Module
.mtp MadTracker 2 Pattern
.mts MadTracker 2 Sample File
.mts AVCHD Video File
.mtv MTV Video Format File
.mtx MadTracker 2 Extension
.mtx MetaStream Scene File
.mtz Compressed MetaStream Scene File
.mud Textease Multi User Database
.mui Multilingual User Interface File
.mum Windows Vista Update Package
.mus Electronic Arts Game Music File
.mus Finale Notation File
.musx Finale Notation File
.mvb Multimedia Viewer Book Source File
.mvc Movie Collector Catalog
.mvd Movie Edit Pro Movie File
.mvi AutoCAD Movie Command File
.mvs Microchip Verification Specification File
.mvx Multimedia Fusion Movement Extension
.mw MacWrite Text Document
.mw Maple Worksheet
.mwd MarinerWrite Document
.mwf Translation Memory Word Find File
.mwp Lotus Word Pro SmartMaster File
.mws Maple Classic Worksheet
.mws MWave DSP Synth Instrument Extract
.mxd ArcGIS Map Document
.mxe Macro Express Playable Macro
.mxml Flex MXML Component
.mxp Adobe Extension Package
.myapp Visual Studio Application XML File
.myd MySQL Database Data File
.mydocs Send To My Documents
.myi MySQL MyISAM Index File
.mzp Mozart Percussion File
.mzp MAXScript Zip Package

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