| File extension |
File description |
Developer/Producer |
| .m |
Objective-C Implementation File |
Apple |
| .m12 |
Schiller medilog ECG Raw Data File |
Schiller |
| .m15 |
MPEG Video |
Moving Picture Experts Group |
| .m1a |
MPEG-1 Audio File |
N/A |
| .m1pg |
iFinish Video Clip |
Media 100 |
| .m1v |
MPEG-1 Video File |
N/A |
| .m2 |
World or Warcraft Model Object |
Blizzard Entertainment |
| .m21 |
MPEG-21 File |
N/A |
| .m2a |
MPEG-1 Layer 2 Audio File |
N/A |
| .m2p |
MPEG-2 Program Stream File |
Moving Picture Experts Group |
| .m2s |
Maxthon 2 Browser Skin File |
Maxthon |
| .m2t |
HDV Video File |
N/A |
| .m2ts |
Blu-ray BDAV Video File |
Sony |
| .m2v |
MPEG-2 Video |
N/A |
| .m3 |
Blizzard MDX3 Model File |
Blizzard Entertainment |
| .m3d |
3D Model File |
N/A |
| .m3g |
Mobile 3D Graphics Program |
Nokia |
| .m3u |
Media Playlist File |
Nullsoft |
| .m3u8 |
UTF-8 M3U Playlist File |
N/A |
| .m4 |
Macro Processor Library |
N/A |
| .m4a |
MPEG-4 Audio File |
Apple |
| .m4b |
MPEG-4 Audio Book File |
Apple |
| .m4e |
MPEG-4 Video File |
N/A |
| .m4p |
iTunes Music Store Audio File |
Apple |
| .m4r |
iPhone Ringtone File |
Apple |
| .m4u |
MPEG-4 Playlist |
N/A |
| .m4v |
iTunes Video File |
Apple |
| .m75 |
MPEG Video |
Moving Picture Experts Group |
| .ma |
Maya Project File |
Autodesk |
| .ma1 |
Monarch Audio File |
Monarch |
| .mab |
Mozilla Address Book |
Mozilla |
| .mac |
MacPaint Image |
Apple |
| .macbin |
Macbinary Encoded File |
Apple |
| .mad |
Access Module Shortcut |
Microsoft |
| .mae |
My Avatar Editor Character File |
My Avatar Editor |
| .maf |
Mutation Annotation Format File |
National Cancer Institute |
| .maff |
Mozilla Archive Format File |
Mozilla |
| .mag |
Access Diagram Shortcut File |
Microsoft |
| .magik |
Magik Source Code File |
GE |
| .mahjongtitanssave-ms |
Mahjong Titans Saved Game |
Microsoft |
| .mai |
Microsoft Mail File |
Microsoft |
| .mailhost |
MSN Mailhost Settings File |
Microsoft |
| .mailplanelicense |
Mailplane License File |
uncomplex |
| .mailtoloc |
Mail Internet Location File |
Apple |
| .mak |
Makefile |
N/A |
| .make |
Xcode Makefile Script |
Apple |
| .makefile |
Makefile |
N/A |
| .mako |
Mako Template |
Mako |
| .mal |
MadAppLauncher Configuration File |
MadAppLauncher |
| .mam |
Microsoft Access Macro |
Microsoft |
| .man |
Unix Manual |
N/A |
| .mani |
Mine-imator Project File |
Mine-imator |
| .manifest |
Windows Application Manifest File |
Microsoft |
| .manm |
Vietcong Game Data File |
Pterodon |
| .map |
Quake Engine Map File |
id Software |
| .mapimail |
Send To Mail Recipient |
N/A |
| .maplet |
Maplet World File |
Blitz Research |
| .mapsdata |
iOS Maps Data File |
Apple |
| .mapx |
Mapjects Client Webparts File |
Mapjects Development |
| .maq |
Microsoft Access Query |
Microsoft |
| .mar |
Mozilla Archive |
Mozilla |
| .markdn |
Markdown File |
John Gruber |
| .markdown |
Markdown Documentation File |
John Gruber |
| .mars |
Adobe MARS File |
Adobe Systems |
| .marshal |
Marshal Data Migration Model File |
RISE to Bloome Software |
| .mart |
MartView eBook File |
MartView |
| .mas |
rFactor Track File |
Image Space |
| .mask |
SpeedGrade Color Mask File |
Adobe Systems |
| .masseffectprofile |
Mass Effect Player Profile |
Electronic Arts |
| .masseffectsave |
Mass Effect Saved Game |
Electronic Arts |
| .master |
ASP.NET Master Page |
Microsoft |
| .mat |
MATLAB MAT-File |
The MathWorks |
| .material |
Rigs of Rods Texture Reference File |
N/A |
| .mato |
Atomic Combat Saved Game |
Mojiferous Industries |
| .mau |
Media Attachment Unit |
N/A |
| .mav |
Access View File |
Microsoft |
| .maw |
Access Data Access Page |
Microsoft |
| .max |
3ds Max Scene File |
Autodesk |
| .maxc |
3ds Max Container File |
Autodesk |
| .maz |
Hover! Maze File |
Hover |
| .mb |
Maya Binary Project File |
Autodesk |
| .mbb |
Kodak EasyShare Data File |
Kodak |
| .mbbk |
ManaBook Book Kit File |
ManaBook Software |
| .mbd |
Multimedia Builder Project File |
MediaChance |
| .mbf |
Microsoft Money Backup File |
Microsoft |
| .mbg |
Mailbag Assistant Mailbox File |
Fookes |
| .mbi |
Multi-Bootable Information File |
MagicISO |
| .mbk |
dBASE IV Multiple Index Backup File |
dataBased Intelligence |
| .mbl |
Logger Pro Data File |
Vernier |
| .mbm |
Multi Bitmap File |
N/A |
| .mbox |
E-mail Mailbox File |
N/A |
| .mbp |
Mobipocket Notes File |
Mobipocket |
| .mbr |
Zune Smooth Streaming File |
Microsoft |
| .mbs |
Opera Mailbox File |
Opera Software |
| .mbsa |
Microsoft Baseline Security Analyzer File |
Microsoft |
| .mbt |
Blue Card Manager Merit Badge Template File |
Scout Management Software |
| .mbw |
MBRWizard Archive |
Firesage Solutions |
| .mbx |
Outlook Express Mailbox |
N/A |
| .mc1 |
MedCalc Data File |
MedCalc |
| .mc2 |
MasterCook 5 Cookbook File |
ValuSoft |
| .mc5 |
Poser 5 Material File |
Smith Micro |
| .mc6 |
Poser Material Collection File |
Smith Micro |
| .mc9 |
Mastercam 9 Geometry File |
CNC |
| .mca |
Minecraft "Anvil" Map File |
Mojang |
| .mcd |
Mathcad Document |
Parametric Technology Corporation |
| .mcdx |
Mathcad Prime Document |
PTC |
| .mcf |
MasterCook 2 Cookbook File |
ValuSoft |
| .mcfi |
Maya Initial Fluid Cache File |
Autodesk |
| .mcfp |
Maya Fluid Cache Playback File |
Autodesk |
| .mcgame |
Minecraft Game Backup File |
Minecraft Launcher |
| .mci |
Media Control Interface File |
N/A |
| .mcl |
Windows Media Center Link File |
Microsoft |
| .mclevel |
Minecraft Map File |
Mojang Specifications |
| .mcmeta |
Minecraft Animation File |
Mojang |
| .mco |
Live Messenger Winks File |
Microsoft |
| .mcp |
CodeWarrior Project |
Freescale Semiconductor |
| .mcr |
3ds Max Macroscript File |
Autodesk |
| .mcrp |
MobyExplorer Encrypted File |
Bermin Software |
| .mcs |
Mathcad Image |
Mathsoft |
| .mcsp |
My Craft Studio Project File |
Crafting.co.uk |
| .mcsx |
My Craft Studio Professional File |
Crafting.co.uk |
| .mcw |
Monitor Calibration Wizard File |
Hex2Bit |
| .mcworld |
Minecraft World Backup File |
Minecraft Launcher |
| .mcx |
MICRO CADAM-X/6000 Model Data File |
CNC Software |
| .mcxe |
MedicinesComplete Data File |
Clinical & Biomedical Computing |
| .mcz |
Compressed Poser Material File |
Smith Micro |
| .md |
Markdown Documentation File |
John Gruber |
| .md0 |
Alcohol Disk Image Segment 1 |
Alcohol Software |
| .md1 |
GEAR CD/DVD Disc Image |
N/A |
| .md2 |
Quake 2 Player Model |
id Software |
| .md3 |
Quake 3 3D Model |
id Software |
| .md5 |
MD5 Checksum File |
N/A |
| .md5.txt |
Message Digest 5 Hash File |
N/A |
| .md5anim |
id Tech 4 Model Animation File |
id Software |
| .md5camera |
id Tech 4 Model Camera File |
id Software |
| .md5mesh |
id Tech 4 3D Mesh File |
id Software |
| .md8 |
Mediator Project File |
MatchWare |
| .mda |
Access Add-in |
Microsoft |
| .mdb |
Microsoft Access Database |
Microsoft |
| .mdbackup |
iPhone Data Backup File |
Apple |
| .mdbhtml |
Microsoft Access Database HTML File |
Microsoft |
| .mdc |
Multi Dimension Cube File |
Cognos |
| .mdd |
Point Oven Deformation Data File |
Point Oven |
| .mddata |
iPhone Backup File |
Apple |
| .mde |
Compiled Access Add-in File |
Microsoft |
| .mdf |
Media Disc Image File |
Alcohol Software |
| .mdi |
Microsoft Document Imaging File |
Microsoft |
| .mdinfo |
iPhone Backup Information File |
Apple |
| .mdl |
MathWorks Simulink Model |
MathWorks |
| .mdm |
HLM Multivariate Data Matrix File |
Scientific Software International |
| .mdmp |
Windows Minidump |
Microsoft |
| .mdn |
Blank Access Database Template |
N/A |
| .mdown |
Markdown File |
John Gruber |
| .mdp |
Visual C++ 5 Workspace File |
Microsoft |
| .mds |
Media Descriptor File |
N/A |
| .mdt |
GeoMedia Access Database Template |
Intergraph |
| .mdw |
Access Workgroup File |
N/A |
| .mdx |
Extended Media Descriptor File |
DT Soft |
| .mdz |
Access Wizard Template |
N/A |
| .mdzip |
MagicDraw Project Archive |
No Magic |
| .me |
Readme Text File |
N/A |
| .me2mod |
Mass Effect 2 Modification File |
N/A |
| .meb |
PRO100 3D Interior Catalog Element |
Ecru Software |
| .med |
Amiga MED Sound File |
RBF Software |
| .mef |
Mamiya RAW Image |
Mamiya |
| .meg |
MEGA Data File |
MEGA Team |
| .mega |
Megacubo XML Metafile |
Megacubo |
| .mel |
Maya Embedded Language File |
Autodesk |
| .mell |
Mellel Word Processing File |
RedleX |
| .mellel |
Mellel Word Processing Document |
RedleX |
| .mem |
FoxPro Variable File |
N/A |
| .menc |
Windows Mobile Encrypted File |
Microsoft |
| .menu |
Quake 3 Engine Menu File |
id Software |
| .meo |
MEO Encrypted Archive |
NCH Software |
| .mer |
RSView Development Runtime File |
Rockwell Automation |
| .merlin2 |
Merlin Project File |
ProjectWizards |
| .merlinlicense |
Merlin License File |
ProjectWizards |
| .mesh |
DirectX Mesh File |
Microsoft |
| .met |
eMule Resource File |
eMule |
| .meta |
RealPlayer Metafile |
RealNetworks |
| .metadata_never_index |
Spotlight Never Index File |
Apple |
| .mex |
Macro Express File |
Insight Software Solutions |
| .mf |
Java Manifest File |
Sun Microsystems |
| .mfa |
Multimedia Fusion Development File |
Clickteam |
| .mfcribbon-ms |
MFC Ribbon Definition XML File |
Microsoft |
| .mfe |
MobileFrame Enterprise Data File |
MobileFrame |
| .mfil |
Blizzard Software Update File |
Blizzard Entertainment |
| .mfl |
Mozilla FastLoad File |
Mozilla |
| .mfo |
Perl ModInfo Descriptor File |
Perl |
| .mfp |
MediaFACE Project File |
Neato |
| .mfs |
MetFS Encrypted File System |
EnderUNIX |
| .mft |
MediaFACE Project Template |
Neato |
| .mfu |
MobileFrame Update File |
MobileFrame |
| .mfv |
MobileFrame Device Pack File |
MobileFrame |
| .mfw |
MobileFrame Workflow Pack File |
MobileFrame |
| .mfx |
Multimedia Fusion Extension |
Clickteam |
| .mga |
Manga Document |
Manga Reader |
| .mgc |
Microsoft Clip Organizer Media Catalog |
Microsoft |
| .mgcb |
Equation Illustrator Project File |
MGCSoft |
| .mgdatabase |
MacGourmet Deluxe Database File |
Mariner Software |
| .mgf |
Materials and Geometry Format |
Lawrence Berkeley National Laboratory |
| .mgk |
ImageMagick Configuration File |
ImageMagick Studios |
| .mgl |
Age of Empires 2 Replay File |
Microsoft |
| .mgm |
MGMaps File |
Mobile GMaps |
| .mgmf |
MindGenius Map File |
MindGenius |
| .mgmt |
MindGenius 2-3 Template |
MindGenius |
| .mgmx |
MindGenius XML Map File |
MindGenius |
| .mgo |
MacGourmet Recipe File |
Mariner Software |
| .mgourmet |
MacGourmet Deluxe Document |
Mariner Software |
| .mgourmet3 |
MacGourmet Deluxe 3 Document |
Mariner Software |
| .mgs |
MGCSoft Vector Shapes File |
MGCSoft |
| .mgt |
Musicnotes Guitar Guru Song File |
Musicnotes |
| .mgtheme |
MacGourmet Theme File |
Mariner Software |
| .mgtx |
MindGenius XML Template File |
MindGenius |
| .mgv |
PSP Video File |
Sony |
| .mgx |
Age of Empires 2 Expansion Replay File |
Microsoft |
| .mhs |
Xilinx XPS Hardware Specification File |
N/A |
| .mht |
MHTML Web Archive |
N/A |
| .mhtml |
MIME HTML File |
N/A |
| .mi4 |
Audio Player Firmware File |
NVIDIA |
| .mic |
Image Composer File |
Microsoft |
| .mid |
MIDI File |
N/A |
| .midi |
MIDI File |
N/A |
| .mif |
MapInfo Interchange Format File |
Pitney Bowes Software |
| .mig |
Windows Migration Backup File |
Microsoft |
| .mii |
Wii Virtual Avatar File |
Nintendo |
| .milk |
MilkDrop Winamp Plugin Preset |
Nullsoft |
| .mim |
Multi-Purpose Internet Mail Message File |
Internet Engineering Task Force |
| .mime |
Multi-Purpose Internet Mail Extension |
The Internet Engineering Task Force |
| .min |
Okuma CNC Program File |
Okuma |
| .mindnode |
MindNode Document |
Markus Müller |
| .mine |
Minecraft Map File |
Mojang Specifications |
| .minesweepersave-ms |
Minesweeper Saved Game |
Microsoft |
| .mini2sf |
Nintendo DS Sound Information File |
N/A |
| .minincsf |
NCSF Nintendo DS Audio File |
Naram Qashat |
| .minipsf |
Miniature PlayStation Sound Format File |
N/A |
| .minipsf2 |
Miniature PlayStation Sound Format File |
N/A |
| .miniusf |
Nintendo 64 Song File |
N/A |
| .mint |
Linux Mint Installer File |
Linux Mint |
| .mio |
MioEngine Application File |
Mioplanet Technologies |
| .mip |
Multiple Image Print File |
Corel |
| .mir |
Mini-Image Ripper Disc Image |
Mini-Image Ripper |
| .mis |
Saved Game Mission File |
N/A |
| .mission |
MissionMaker Project File |
Immersive Education |
| .mit |
MineEdit Inventory Template File |
MineEdit |
| .mix |
Microsoft Image Exchange File |
Microsoft |
| .mj2 |
Motion JPEG 2000 Video Clip |
N/A |
| .mjd |
Adobe Acrobat MIME Encoded Job Definition File |
Adobe Systems |
| .mjdoc |
MacJournal Document |
Mariner Software |
| .mjp |
MJPEG Video File |
LG |
| .mjpg |
Motion JPEG Video File |
N/A |
| .mk |
Makefile |
N/A |
| .mk3d |
Matroska 3D Video File |
Matroska |
| .mk4 |
Schiller medilog ECG Raw Data File |
Schiller |
| .mka |
Matroska Audio File |
Matroska |
| .mkv |
Matroska Video File |
Matroska |
| .ml |
ML Source Code File |
Robin Milner |
| .mlb |
MyLabel Designer Deluxe Project File |
Avanquest Software |
| .mlc |
Microsoft Language Interface Pack |
Microsoft |
| .mlk |
MasterCook Look File |
ValuSoft |
| .mll |
Maya Plugin |
Autodesk, Inc. |
| .mlp |
Meridian Lossless Packing Audio File |
Meridian Audio |
| .mls |
Milestones Simplicity File |
KIDASA |
| .mm |
Objective-C++ Source File |
N/A |
| .mm6 |
Money Manager 6 File |
Moneysoft |
| .mm7 |
Might and Magic 7 Saved Game |
N/A |
| .mm8 |
Might and Magic 8 Saved Game |
3DO |
| .mma |
Master Album Maker Photo Album File |
Intrepid Mouse |
| .mmap |
MindManager Map File |
Mindjet |
| .mmat |
MindManager Map Template |
Mindjet |
| .mmc |
Microsoft Media Catalog |
Microsoft |
| .mmcollection |
Mail Manager Collection File |
Oasys |
| .mmdc |
MediaMonkey Device Configuration File |
Ventis Media |
| .mme |
Multi-Purpose Internet Mail |
N/A |
| .mmf |
Synthetic Music Mobile Application File |
Yamaha |
| .mmip |
MediaMonkey Installation Package |
Ventis Media |
| .mml |
FrameMaker Maker Markup Language File |
Adobe Systems |
| .mmm |
Music Maker Arrangement File |
MAGIX AG |
| .mmo |
Memory Map Overlay File |
Memory-Map |
| .mmp |
Symbian Project Specification File |
Nokia |
| .mmu |
myPM Merge Data File |
Midori Media |
| .mmv |
MicroMV Video File |
Sony |
| .mmw |
AceMoney Money File |
MechCAD Software |
| .mnc |
My Notes Center Notebook |
BC |
| .mng |
Multiple Network Graphic |
N/A |
| .mnh |
Master Navigator Header File |
Sapper Oy |
| .mnk |
My Notes Keeper Notebook |
Wpg Computing |
| .mnl |
AutoCAD Menu LISP File |
Autodesk |
| .mnm |
Character Studio Marker Name File |
Autodesk |
| .mno |
Macromedia Design Note |
Adobe Systems |
| .mnr |
AutoCAD Menu Resource File |
Autodesk |
| .mns |
AutoCAD Interface Settings File |
Autodesk |
| .mnt |
FoxPro Menu Memo |
N/A |
| .mnu |
AutoCAD Interface Layout File |
Autodesk |
| .mnv |
PlayStation Movie File |
Sony |
| .mnx |
FoxPro Menu |
N/A |
| .mny |
Microsoft Money File |
Microsoft |
| .mo |
Machine Object File |
N/A |
| .mo3 |
MO3 Audio File |
Un4seen Developments |
| .mob |
MOBTV Video File |
MediaCorp |
| .mobi |
Mobipocket eBook |
Amazon |
| .mobileconfig |
Apple Mobile Configuration File |
Apple |
| .mobileprovision |
Xcode Mobile Provisioning Profile |
Apple |
| .mod |
Amiga Music Module File |
N/A |
| .modd |
Sony Video Analysis File |
Sony |
| .mode |
Coda Syntax Mode File |
Panic |
| .model |
CATIA 3D Model FIle |
Dassault Systemes |
| .module |
Drupal Module File |
Drupal |
| .mof |
Managed Object Format File |
Desktop Management Task Force |
| .moff |
Sony Video Analysis Index File |
Sony |
| .mogg |
Multitrack Ogg File |
N/A |
| .moho |
Anime Studio Animation Project |
Smith Micro |
| .moi |
MOI Video File |
N/A |
| .mol |
MDL Molfile |
Symyx Technologies |
| .mom |
Managed Object Model |
Apple |
| .momma |
Offspring Fling Replay File |
KPULV |
| .money |
Money Data File |
Jumsoft |
| .moneywell |
MoneyWell Account File |
No Thirst Software |
| .montage |
Montage Screenplay File |
Mariner Software |
| .moov |
Apple QuickTime Movie |
Apple |
| .mos |
Leaf Camera RAW File |
Leaf Imaging |
| .mosaic |
MacOSaiX Mosaic File |
Frank M. Midgley |
| .mot |
LightWave Motion File |
NewTek |
| .mou |
WinMount Compressed File |
WinMount International |
| .mov |
Apple QuickTime Movie |
Apple |
| .movie |
QuickTime Movie File |
Apple |
| .mox |
ExtendSim Simulation Software Model |
Imagine That |
| .moz |
Mozilla Cache File |
N/A |
| .mp |
Maya PLE Project File |
Autodesk |
| .mp1 |
MPEG-1 Layer 1 Audio File |
N/A |
| .mp10 |
Multisim 10 Project File |
National Instruments |
| .mp11 |
Multisim 11 Project File |
National Instruments |
| .mp2 |
MPEG Layer II Compressed Audio File |
Moving Picture Experts Group |
| .mp21 |
MPEG-21 Multimedia File |
N/A |
| .mp2m |
Max Payne 2 Mod File |
Rockstar Games |
| .mp2s |
Max Payne 2 Saved Game |
Rockstar Games |
| .mp2v |
MPEG-2 Video File |
N/A |
| .mp3 |
MP3 Audio File |
Moving Picture Experts Group |
| .mp4 |
MPEG-4 Video File |
Moving Picture Experts Group |
| .mp4.infovid |
Parrot AR Drone and Gyro Flyer Video |
N/A |
| .mp4v |
MPEG-4 Video |
Moving Picture Experts Group |
| .mp7 |
Multisim 7 Project File |
National Instruments |
| .mp9 |
Multisim 9 Project File |
National Instruments |
| .mpa |
MPEG-2 Audio File |
N/A |
| .mpb |
MyPhoneExplorer Backup File |
Franz Josef Wechselberger |
| .mpc |
Musepack Compressed Audio File |
Musepack |
| .mpcpl |
Media Player Classic Playlist |
Media Player Classic |
| .mpd |
Microsoft Project Database |
Microsoft |
| .mpdconf |
Music Player Daemon File |
The MPD Team |
| .mpdp |
MixPad Project File |
NCH Software |
| .mpe |
MPEG Movie File |
N/A |
| .mpeg |
MPEG Movie |
N/A |
| .mpeg1 |
MPEG-1 Video File |
N/A |
| .mpeg4 |
MPEG-4 File |
N/A |
| .mpf |
Microsoft Media Package FIle |
Microsoft |
| .mpg |
MPEG Video File |
N/A |
| .mpg2 |
MPEG-2 Video File |
N/A |
| .mpga |
MPEG-1 Layer 3 Audio File |
N/A |
| .mpgindex |
Adobe MPEG Index File |
Adobe Systems |
| .mpi |
InstallJammer Project File |
The InstallJammer Team |
| .mpj |
RoboHelp HTML Project |
Adobe Systems |
| .mpk |
ArcGIS Map Package |
ESRI |
| .mpkg |
Meta Package File |
N/A |
| .mpl |
AVCHD Playlist File |
Sony |
| .mpls |
Blu-ray Movie Playlist File |
Blu-ray Disc Association |
| .mpm |
Max Payne Modfication File |
Rockstar Games |
| .mpo |
Multi Picture Object File |
CIPA |
| .mpp |
Microsoft Project File |
Microsoft |
| .mppz |
MagicPlot Project File |
Magicplot Systems |
| .mpr |
FoxPro Generated Menu Program |
N/A |
| .mps |
Pocket Streets Map File |
Microsoft |
| .mpsub |
MPlayer Subtitles File |
MPlayer |
| .mpt |
Microsoft Project Template |
Microsoft |
| .mpu |
MPEG Layer 3 Audio File |
N/A |
| .mpv |
MPEG Elementary Stream Video File |
Moving Picture Experts Group |
| .mpv2 |
MPEG-2 Video Stream |
N/A |
| .mpw |
Microsoft Project Workspace File |
Microsoft |
| .mpx |
Microsoft Project Exchange File |
Microsoft |
| .mpz |
Miradi Project File |
Benetech |
| .mpzip |
Multisim Pack File |
National Instruments |
| .mp_ |
Mobile Phone Sound File |
N/A |
| .mq4 |
MetaTrader Custom Indicator |
MetaQuotes Software |
| .mqo |
Metasequoia Document |
Metasequoia |
| .mqv |
Sony Movie Format File |
Sony |
| .mrb |
Multiple Resolution Bitmap File |
Microsoft |
| .mrc |
mIRC Script File |
mIRC |
| .mrg |
MySQL Merge File |
MySQL |
| .mrimg |
Macrium Reflect Disk Image |
Paramount Software UK |
| .mrk |
DPOF Auto Print Order File |
N/A |
| .mrml |
3D Slicer Scene Description File |
BWH |
| .mrs |
GunZ Game Data File |
MAIET Entertainment |
| .mrt |
Stimulsoft Report File |
Stimulsoft |
| .mrw |
Minolta Raw Image File |
Minolta |
| .mrxs |
MIRAX Virtual Slide File |
Carl Zeiss MicroImaging |
| .ms |
3ds Max Script File |
Autodesk |
| .ms-tnef |
MS Transport Neutral Encapsulation Format |
Microsoft |
| .ms1 |
VirtualBus Map File |
VIrtualBus |
| .ms10 |
Multisim 10 Circuit Design File |
National Instruments |
| .ms11 |
Multisim 11 Circuit Design File |
National Instruments |
| .ms3d |
MilkShape 3D Model |
Chumbalum Soft |
| .ms7 |
Multisim 7 Circuit Design File |
National Instruments |
| .ms8 |
Multisim 8 Circuit Design File |
National Instruments |
| .ms9 |
Multisim 9 Circuit Design File |
National Instruments |
| .msb |
Oracle Binary Message File |
Oracle |
| .msc |
Microsoft Management Console Snap-in Control File |
Microsoft |
| .mscx |
MuseScore Music Score File |
The MuseScore Team |
| .mscz |
MuseScore Compressed Score File |
The MuseScore Team |
| .msd |
Map Service Definition File |
ESRI |
| .msdvd |
Windows DVD Maker Project File |
Microsoft |
| .mse |
3ds Max Encrypted MAXScript File |
Autodesk |
| .msf |
Mail Summary File |
N/A |
| .msg |
Outlook Mail Message |
Microsoft |
| .msh |
Orbiter 3D Mesh File |
Martin Schweiger |
| .msha |
Microsoft Help Asset File |
Microsoft |
| .mshc |
Microsoft Help Container File |
Microsoft |
| .mshi |
Microsoft Help Index File |
Microsoft |
| .msi |
Windows Installer Package |
Microsoft |
| .msif |
MyLabel Designer Deluxe Data File |
Avanquest |
| .msk |
Paint Shop Pro Mask File |
Corel |
| .mskn |
MediaMonkey Skin File |
Ventis Media |
| .msl |
Mapping Specification Language File |
Microsoft |
| .msm |
Windows Installer Merge Module |
Microsoft |
| .msn |
Host Blocking File |
Microsoft |
| .mso |
Inline E-mail Attachment |
Microsoft |
| .msp |
Windows Installer Patch |
Microsoft |
| .mspx |
Microsoft ASP.NET Web Page |
Microsoft |
| .msrcincident |
Windows Remote Assistance Invitation File |
Microsoft |
| .mss |
Microprocessor Software Specification File |
Xilinx |
| .msstyle |
Windows XP Unsigned Style |
N/A |
| .msstyles |
Windows XP Style |
Microsoft |
| .mst |
Windows Installer Setup Transform File |
Microsoft |
| .msu |
Windows Vista Update Package |
Microsoft |
| .msv |
Memory Stick Voice File |
Sony |
| .msw |
Painter Color Mixer Swatches File |
Corel |
| .mswmm |
Windows Movie Maker Project |
Microsoft |
| .mt2 |
MadTracker 2 Module |
MadTracker |
| .mt9 |
MT9 Audio File |
ETRI |
| .mta |
Samsung AllShare Metadata File |
Samsung |
| .mtd |
Musicnotes Digital Sheet Music File |
Musicnotes |
| .mte |
MadTracker 2 Envelope |
N/A |
| .mtf |
Motorola Theme File |
Motorola |
| .mth |
Derive Math File |
N/A |
| .mti |
MadTracker Instrument |
N/A |
| .mtl |
OBJ Material File |
N/A |
| .mtm |
MultiTracker Module |
N/A |
| .mtp |
MadTracker 2 Pattern |
N/A |
| .mts |
AVCHD Video File |
N/A |
| .mtt |
MetadataTouch Template |
Digital Confidence |
| .mtv |
MTV Video Format File |
N/A |
| .mtw |
Minitab Worksheet File |
Minitab |
| .mtx |
MadTracker 2 Extension |
N/A |
| .mtz |
MIUI Theme |
MIUI |
| .mu |
Kerbal Space Program Mesh File |
Squad |
| .mu3 |
Myriad Packed Musical Score |
Myriad Software |
| .mud |
Mudbox 3D Scene File |
Autodesk |
| .muf |
Alpha Five Licence File |
Alpha Software |
| .mui |
Multilingual User Interface File |
Microsoft |
| .mui_cccd5ae0 |
Hid User Library |
Microsoft |
| .mul |
Ultima Online Multi File |
Origin Systems |
| .mum |
Windows Vista Update Package |
Microsoft |
| .mup |
Music Publisher Score |
Braeburn Software |
| .mus |
Finale Notation File Format |
MakeMusic |
| .musa |
Aleph One Music File |
Bungie Studios |
| .muse |
Adobe Muse Website Project |
Adobe Systems |
| .mux |
Trackmania Music File |
Ubisoft Entertainment |
| .muz |
MUZ Audio File |
Hover |
| .mv |
MivaScript File |
Miva Merchant |
| .mvb |
Multimedia Viewer Book Source File |
N/A |
| .mvc |
MivaScript Compiled File |
Miva Merchant |
| .mvd |
Movie Edit Pro Movie File |
MAGIX |
| .mve |
Infinity Engine Movie File |
BioWare |
| .mvex |
Muvee autoProducer 6 Project File |
muvee |
| .mvi |
AutoCAD Movie Command File |
Autodesk |
| .mvp |
Movie Edit Pro Video Project File |
MAGIX |
| .mvr |
IBM HotMedia Multimedia File |
IBM |
| .mvs |
Microchip Verification Specification File |
Xilinx |
| .mvx |
Multimedia Fusion Movement Extension |
Clickteam |
| .mvy |
Video easy Project File |
MAGIX |
| .mv_ |
Movie Edit Pro Movie Backup File |
MAGIX |
| .mw |
Maple Worksheet |
Maplesoft |
| .mwand |
GarageBand MagicMentor Template |
Apple |
| .mwb |
MySQL Workbench Document |
MySQL |
| .mwd |
MarinerWrite Document |
Mariner Software |
| .mwf |
MapGuide Author Map Window File |
Autodesk |
| .mwlic |
MoneyWell License File |
No Thirst Software |
| .mwp |
Lotus Word Pro SmartMaster File |
IBM |
| .mws |
Maple Classic Worksheet |
Maplesoft |
| .mwx |
MapGuide Author Map Window XML File |
Autodesk |
| .mx |
Mathematica Serialized Package File |
Wolfram Research |
| .mx3 |
Mixcraft 3 Audio Project |
Acoustica |
| .mx4 |
Mixcraft 4 Audio Project |
Acoustica |
| .mx5 |
Mixcraft 5 Audio Project |
Acoustica |
| .mx5template |
Mixcraft 5 Audio Project Template |
Acoustica |
| .mxad |
Mandelbrot Explorer All Data File |
J R Oakley |
| .mxaddon |
Maxthon Add-On File |
Maxthon International |
| .mxc2 |
MAGIX Cache File |
MAGIX |
| .mxcs |
Mandelbrot Explorer Color Scheme File |
J R Oakley |
| .mxd |
ArcGIS Map Document |
ESRI |
| .mxdic |
Maxthon Dictionary File |
Maxthon International |
| .mxe |
Macro Express Playable Macro |
Insight Software Solutions |
| .mxf |
Material Exchange Format File |
SMPTE |
| .mxfr |
Mandelbrot Explorer Fractal Region File |
J R Oakley |
| .mxg |
Miinoto Exchangeable Group File |
Mobiiko |
| .mxi |
Maxwell Image |
Next Limit |
| .mxl |
Compressed MusicXML File |
The MuseScore Team |
| .mxm |
Maxwell Material File |
Next Limit |
| .mxmf |
Mobile XMF Ringtone File |
MIDI Manufacturers Association |
| .mxml |
Flex MXML Component |
Adobe Systems |
| .mxn |
Miinoto Exchangeable Note File |
Mobiiko |
| .mxp |
Adobe Extension Package |
Adobe Systems |
| .mxs |
Maxwell Studio Scene File |
Next Limit |
| .mxskin |
Maxthon Skin File |
Maxthon International |
| .mxt |
ArcGIS Map Template |
ESRI |
| .mxv |
MAGIX Video File |
MAGIX |
| .myapp |
Visual Studio Application XML File |
Microsoft |
| .mycolors |
Stardock MyColors Theme File |
Stardock |
| .myd |
MySQL Database Data File |
MySQL |
| .mydocs |
Send To My Documents |
N/A |
| .myi |
MySQL MyISAM Index File |
N/A |
| .myl |
MyLogo Maker Image |
Avanquest Software |
| .myr |
Myriad Music File |
Myriad Software |
| .mys |
Vineyard Captured Video File |
Vineyard Technologies |
| .mzp |
MAXScript Zip Package |
Autodesk |
| .mzz |
Microsoft .NET Download Package |
Microsoft |
