| .M |
Objective-C source file |
| .M_P |
Pro/ENGINEER Temporary |
| .M-JPEG |
M-JPEG |
| .M!95 |
Adobe Director For Mac |
| .M?? |
Ingres Modify Table/Index |
| .M01 |
MicroStation Modification Resource |
| .M02 |
ComputerEyes animation |
| .M03 |
ComputerEyes animation |
| .M06 |
Microsoft Money 98 backup data |
| .M07 |
Microsoft Money 99 backup data |
| .M09 |
Microsoft Money 2001 backup data |
| .M10 |
Microsoft Money 2002 Data |
| .M11 |
Microsoft Money 2003 Data |
| .M12 |
Microsoft Money 2004 data file |
| .M13 |
Microsoft Media Viewer |
| .M14 |
Microsoft Media Viewer |
| .M15 |
Microsoft Money 2006 data file |
| .M16 |
Microsoft Money 2007 Data |
| .M1A |
MPEG-1 audiostream file |
| .M1C |
IBM Voice Type Languages Newuser |
| .M1I |
IBM Voice Type Languages Newuser |
| .M1PG |
iFinish video file |
| .M1S |
MPEG-1 System Stream |
| .M1V |
Moving Pictures Experts Group video (MPEG-1 IPB) |
| .M2 |
World of Warcraft model object file format |
| .M21 |
MPEG-21 video file |
| .M25 |
Symantec Endpoint Protection Manager |
| .M2A |
MPEG-2 audio |
| .M2C |
IBM Voice Type Languages Newuser |
| .M2D |
HTC Manila 2D For Windows Mobile Skin |
| .M2DCT |
HTC Manila 2D For Windows Mobile Skin |
| .M2F |
Maxthon Filter Package |
| .M2I |
IBM Voice Type Languages Newuser |
| .M2L |
Maxthon Language Package |
| .M2M |
TiMidity++ M2M Settings |
| .M2P |
MPEG-2 stream file format |
| .M2PS |
MPEG program stream |
| .M2R |
Avaya Mib2Rules Perl Script |
| .M2S |
MPEG-2 audio video file |
| .M2T |
HDV MPEG-2 Transport Stream Video (M2T) |
| .M2TS |
Blu-ray BDAV MPEG-2 Transport Stream (M2TS) |
| .M2U |
Maxthon Layout |
| .M2V |
MPEG-2 Video Elementary Stream |
| .M3 |
Modula 3 programming language source code |
| .M32 |
Duke Nukem 3D Script |
| .M3C |
IBM Voice Type Languages Newuser |
| .M3D |
DIALux 3D Object File |
| .M3G |
Nokia Mobile 3D graphics program file |
| .M3H |
Starcraft 2 Model Data |
| .M3I |
IBM Voice Type Languages Newuser |
| .M3R |
Autodesk Moldflow 3D fill+pack restart data |
| .M3S |
Myst III Exile Saved Game |
| .M3T |
Myst 3 Exile Text |
| .M3U |
M3U Media Playlist (MP3 URL) |
| .M3U8 |
UTF-8 M3U Playlist / HLS (HTTP Live Streaming) Playlist |
| .M3URL |
SMIL MP3 Playlist |
| .M3V |
DJ Mix Pro Playlist |
| .M3X |
MAGIX Digital Photo Maker PhotoCD Playlist |
| .M4 |
M4 preprocessor macro file |
| .M4A |
MPEG-4 Audio File |
| .M4B |
MPEG-4 Audiobook File |
| .M4C |
IBM Voice Type Language Newuser |
| .M4D |
Sage MAS 90 Data |
| .M4E |
MPEG-4 video file |
| .M4F |
Sony Network Camera MPEG-4 Video |
| .M4I |
IBM Voice Type Languages Newuser |
| .M4L |
Sage MAS 90 Data |
| .M4P |
iTunes Music Store Protected Audio File |
| .M4R |
Apple iPhone ringtone format |
| .M4S |
MPEG-DASH Video Segment |
| .M4T |
Sage MAS 90 Table |
| .M4U |
MPEG-4 playlist file |
| .M4V |
iTunes Video File |
| .M51 |
ARM Keil Tools Linker Listing |
| .M5M |
MachFive audio |
| .M5P |
MachFive audio |
| .M64 |
Mupen64 Movie Capture |
| .M68 |
Turbo Pascal Dos |
| .M75 |
Apple QuickTime Player file |
| .M7A |
MapKing Map |
| .M7D |
MapKing Navigation Map |
| .M7P |
Multilizer PDF Translator Project |
| .M8 |
Heretic II MipMap Image |
| .M8M |
8mam8 game data |
| .MA |
Autodesk Maya ASCII Scene |
| .MA0 |
Diablo II Act 1 Saved Map Progress |
| .MA1 |
Monarch audio file |
| .MA1.MMF |
SMAF Synthetic Music Mobile Application Format |
| .MA2 |
Bibexcel |
| .MA2.MMF |
SMAF Synthetic Music Mobile Application Format |
| .MA3 |
Harvard Graphics Macro |
| .MAB |
Mozilla address book file |
| .MAC |
Macro file |
| .MACA |
MacWrite Document |
| .MACBIN |
MacBinary archive |
| .MACDRAW |
MacDraw file format |
| .MACP |
Apple Macintosh MacPaint Bitmap Image |
| .MACS |
MADRIX Encrypted Script |
| .MAD |
Microsoft Access module shortcut file |
| .MAE |
Maestro molecular model file |
| .MAF |
Microsoft Access form shortcut file |
| .MAFF |
Mozilla Archive Format File |
| .MAG |
Magenta colour separation |
| .MAGIC |
Magic Mail Monitor Configuration |
| .MAGIK |
Magik source code file |
| .MAGNET |
Magnet Link File |
| .MAHJONGTITANSSAVE-MS |
Mahjong Titans save game file |
| .MAI |
Microsoft Mail message file |
| .MAILDB |
MSN Mail |
| .MAILHOST |
E-mail Server preferences file |
| .MAILLOC |
Apple Mac OS X Finder Mail Internet Location |
| .MAILPLANELICENSE |
Mailplane License File |
| .MAILSTATIONERY |
Apple Mail |
| .MAILTOLOC |
Apple Mail mail address file |
| .MAILVIEW |
Microsoft Mail message view |
| .MAIN |
FileMaker Dictionary |
| .MAJ |
Camduct Job |
| .MAK |
Make file |
| .MAKE |
Makefile |
| .MAKEFILE |
Makefile |
| .MAKER |
Adobe Framemaker |
| .MAKERBOT |
MakerBot print data |
| .MAKI |
Winamp MAKI Compiled Script |
| .MAKO |
Mako tamplate file |
| .MAL |
MadAppLauncher settings file |
| .MAM |
Microsoft Access macro shortcut file |
| .MAML |
Microsoft Assistance Markup Language |
| .MAN |
Unix Manual Page (roff/man-macro source) |
| .MANAGED_MANIFEST |
Silverlight Manifest |
| .MANI |
Mine-imator project file |
| .MANIFEST |
Windows Application Manifest |
| .MANIFEST-DESKTOP |
Ubuntu Desktop CD Manifest |
| .MANM |
Vietcong game data file |
| .MAO |
Dragon Age Origins MAO XML |
| .MAP |
Source Map (JavaScript / CSS) |
| .MAPIMAIL |
Windows Send To Mail Recipient file |
| .MAPLET |
Maplet World File |
| .MAPLIB |
Mscape Map |
| .MAPSDATA |
Apple iOS map data file |
| .MAPX |
Mapjects GRYD webserver file |
| .MAQ |
Microsoft Access query shortcut file |
| .MAR |
Microsoft Access report shortcut file |
| .MARC |
MAchine-Readable Cataloging (MARC) Document |
| .MARKDN |
Markdown markup language document file |
| .MARKDOWN |
Markdown markup language file |
| .MARKER |
Microsoft Windows 10 system data |
| .MARS |
Adobe Mars file |
| .MARSHAL |
Marshal Editor data migration model file |
| .MART |
Martview ebook file |
| .MAS |
Microsoft Access stored procedures file |
| .MASH |
Java |
| .MASK |
Cygwin bitmap file |
| .MASSEFFECTPROFILE |
Mass Effect user profile |
| .MASSEFFECTSAVE |
Mass Effect saved game |
| .MASTER |
ASP Master page file |
| .MAT |
MATLAB MAT-File (Data) |
| .MATCH-RDB |
RDB |
| .MATERIAL |
Rigs of Rods texture reference file |
| .MATH |
AnalyticMath |
| .MATHML |
Mathematical Markup Language document |
| .MATLAB |
Matlab Script |
| .MATO |
Atomic Combat saved game file |
| .MATPROJ |
Dragon Age Origins Material |
| .MATTE |
GIMP data |
| .MATX |
XWE data |
| .MAU |
Media Attachment Unit file |
| .MAUD |
Amiga MAUD Sound |
| .MAV |
Microsoft Access view file |
| .MAW |
Microsoft Access data access page file |
| .MAX |
3ds Max Scene File (Autodesk 3ds Max) |
| .MAXC |
3D Studio Max container format |
| .MAXD |
PaperPort Annotation |
| .MAXFR |
MaxView web pointer data |
| .MAXM |
Paperport |
| .MAZ |
Microsoft Windows Hover! maze file |
| .MB |
Autodesk Maya Binary Scene |
| .MB1 |
Monster Bash Game Data |
| .MB2 |
McMyAdmin backup archive |
| .MB3 |
Minimal Board Editor (MBE) |
| .MB4 |
Model Builder Model Design |
| .MBA |
Martus Human Rights Bulletin System |
| .MBAC |
MascotCapsule Resource |
| .MBAK |
Quantrix Modeler backup |
| .MBAM |
Malwarebytes Anti-Malware script |
| .MBAS |
MikroBasic Source Code |
| .MBB |
ManaBook file |
| .MBBK |
ManaBook book kit file |
| .MBC |
Mulberry E-mail Client Cache |
| .MBD |
Multimedia Builder MP3 authoring file |
| .MBDB |
Apple IOS Backup Manifest |
| .MBDX |
Apple IOS Backup Manifest |
| .MBE |
MVP Baseball 2005 Game |
| .MBF |
Microsoft Money Backup File |
| .MBFAVS |
Stardent AVS X Bitmap Image |
| .MBFS |
Stardent AVS X Bitmap Image |
| .MBFX |
AVS X Image |
| .MBG |
Mailbag Assistant e-mail archive file |
| .MBI |
MagicISO multi-bootable information file |
| .MBK |
dBASE IV multiple index file backup |
| .MBKP |
Memeo Instant Backup Backup |
| .MBL |
Logger Pro experiment data file |
| .MBM |
EPOC multi-bitmap file |
| .MBN |
Sony Ericsson mainware |
| .MBOX |
Mbox Mailbox (email container) |
| .MBP |
Mobipocket eBook auxiliary file |
| .MBP1 |
Kindle Touch Annotation |
| .MBPKG |
Mobipocket data |
| .MBPV2 |
Amazon Kindle data |
| .MBR |
Zune smooth streaming file |
| .MBS |
Opera Mail Mailbox File |
| .MBSA |
Microsoft Baseline Security Analyzer File |
| .MBSB |
Mamut Business Software Company Database Backup |
| .MBSYNCSTATE |
Mbsync Folder Backup |
| .MBT |
Metabot Metatag options file |
| .MBTEMMPLATE |
ModelBaker Custom Template Directory |
| .MBV |
JVC Everio MediaBrowser Movie |
| .MBW |
Easy Mail Backup Wizard file |
| .MBX |
E-mail Mailbox File |
| .MBXML |
meBible XML data |
| .MBZ |
Moodle Course Backup |
| .MC |
Microsoft Windows Localized Message Table Resource |
| .MC1 |
MedCalc data file |
| .MC19MIME |
JRiver Media Center data |
| .MC2 |
MasterCook cookbook recipe text data file |
| .MC3 |
Bridge Design Modeler 3D Match-casting Geometry Control |
| .MC4D |
Cinema 4D 3D Graphic |
| .MC5 |
Poser 5 material file |
| .MC6 |
Poser 6 material file |
| .MC8 |
Mastercam V8 |
| .MC9 |
Mastercam V9 CAD file |
| .MCA |
Minecraft Anvil Region File |
| .MCACC |
MCACC Measurement Data |
| .MCB |
NEPLAN Project |
| .MCBN |
Microsoft Excel 4 For Mac Chart |
| .MCC |
Amiga MUI External Class Library |
| .MCD |
Vectorworks (MiniCAD) Drawing |
| .MCDB |
Adobe Premiere Pro Media Cache Database |
| .MCDX |
PTC Mathcad Prime Worksheet File |
| .MCF |
Mathcad Font / Resource File |
| .MCFI |
Autodesk Maya initial fluid cache file |
| .MCFP |
Autodesk Maya fluid cache playback file |
| .MCGAME |
Minecraft backup file |
| .MCH |
Macromedia Xtra cache |
| .MCI |
Media Control Interface command script file |
| .MCK |
Macro Keys Encrypted Macro |
| .MCL |
Microsoft Media Center application shortcut file |
| .MCLEVEL |
Minecraft map file |
| .MCMAC |
MacGourmet MasterCook Document |
| .MCMETA |
Minecraft Pack Metadata file |
| .MCML |
Microsoft Windows Media Center MCML |
| .MCO |
MSN Messenger wink file |
| .MCP |
MSN Content Plus installer file archive |
| .MCPAT |
myriaCross Editor design |
| .MCPP |
ATARI Paradox picture image |
| .MCQ |
McAfee quarantined data |
| .MCR |
3ds Max MacroScript File |
| .MCRP |
MobyExplorer encrypted file |
| .MCS |
MathCAD raster picture image file |
| .MCSERVER |
Minecraft MCServer server configuration |
| .MCSP |
My Craft Studio project file |
| .MCSV |
TouchGraph Navigator MCSV data |
| .MCSX |
My Craft Studio Professional File |
| .MCT |
Musicator MIDI |
| .MCUSW |
Nokia Mobile Phones With Symbian Firmware |
| .MCV |
ManyCam Effect |
| .MCW |
Microsoft Word 5 for Mac document file |
| .MCWORLD |
Minecraft World (Bedrock) export file |
| .MCX |
Mastercam X and X2 file format |
| .MCX-3 |
Mastercam X3 3D model |
| .MCX-4 |
Mastercam X4 3D model |
| .MCX-5 |
Mastercam X5 3D model |
| .MCX-6 |
Mastercam X6 3D model |
| .MCX-7 |
Mastercam X7 3D model |
| .MCX-8 |
Mastercam X8 3D model |
| .MCX-9 |
Mastercam X9 3D model |
| .MCXE |
MedicinesComplete Data File |
| .MCXML |
Microsoft Office 2013 XML Settings |
| .MCZ |
Poser compressed material file |
| .MD |
Markdown Document |
| .MD0 |
Adobe Photoshop file browser metadata cache file |
| .MD03 |
Adobe Director |
| .MD1 |
GEAR CD suite CD image file |
| .MD2 |
Quake 2 model file |
| .MD2P |
MessengerDiscovery |
| .MD2S |
MessengerDiscovery |
| .MD3 |
Quake 3 model file |
| .MD4 |
Quake 3 MD4 Skeletal Model Format |
| .MD5 |
MD5 Checksum File |
| .MD5.TXT |
Message Digest 5 Hash File |
| .MD5ANIM |
Doom 3 ID Tech 4 game engine model animation file |
| .MD5CAMERA |
Doom 3 ID Tech 4 game engine model camera file |
| .MD5MESH |
Doom 3 ID Tech 4 game engine 3D mesh file |
| .MD5SUM |
md5sum data |
| .MD6ANIM |
id Tech 6 animation data |
| .MD6MESH |
id Tech 6 mesh |
| .MD8 |
GarageCUBE Modul8 project file |
| .MD95 |
Macromedia Director 5 for Mac data |
| .MDA |
Microsoft Access add-in file |
| .MDAT |
REW Measurement |
| .MDB |
Microsoft Access Database (97-2003, Jet engine) |
| .MDBACKUP |
Apple iPhone backup file |
| .MDBHTML |
Microsoft Office Access HTML document file |
| .MDBX |
Access Based Database |
| .MDC |
Image Minolta RD175 |
| .MDCCACHE |
Microsoft Document Connection cache file |
| .MDCS |
MATlab saved session |
| .MDD |
Database Designer for MySQL database diagram file |
| .MDDATA |
Apple iPhone backup data file |
| .MDE |
Microsoft Access Compiled (MDE) Database |
| .MDEF |
ANSYS Workbench data |
| .MDES |
Trimaran Machine Description |
| .MDF |
Media Descriptor File (Alcohol 120% / DAEMON Tools disc image) |
| .MDG |
Enterprise Architect |
| .MDH |
Madhyam document |
| .MDHTML |
Microsoft Access HTML |
| .MDI |
Microsoft Office Document Imaging file (MODI) |
| .MDIMPORTER |
Spotlight Importer Setting |
| .MDINFO |
Apple iPhone info file |
| .MDJ |
StarUML model |
| .MDK |
Astra Schedule Schedule |
| .MDL |
Microsoft Flight Simulator 3D Model |
| .MDLE |
Motion Description Language Extended |
| .MDLP |
Simulink protected model |
| .MDM |
Telix modem definition file |
| .MDMP |
Windows Minidump File |
| .MDN |
Microsoft Access blank database template file |
| .MDO |
Alcohol 120% Split Image |
| .MDOC |
Visual Studio Code data |
| .MDOWN |
Markdown markup language file |
| .MDP |
Microsoft Visual C++ Project Workspace |
| .MDPF |
Mac OS X Modem Preferences |
| .MDPL |
MacDraw II |
| .MDR |
ZX Spectrum Microdrive Emulator |
| .MDRC |
MADRIX DMX Remote Configuration |
| .MDRW |
MacDraw |
| .MDS |
Media Descriptor Sidecar (Alcohol 120% / DAEMON Tools disc image) |
| .MDSP |
MinGW Developer Studio project |
| .MDSX |
MEGA saved session |
| .MDT |
GeoMedia Access Database Template |
| .MDTEXT |
Markdown Markup Language |
| .MDTXT |
Markdown Markup Language |
| .MDU |
D-Flow FM model data |
| .MDUS |
MessengerDiscovery |
| .MDV |
QLAY |
| .MDW |
Microsoft Access workgroup information file |
| .MDWN |
Markdown Markup Language |
| .MDX |
Media Data eXtended image file (DAEMON Tools disc image) |
| .MDZ |
Microsoft Access wizard template file |
| .MDZIP |
MagicDraw compressed project file |
| .ME |
Formatted manual page with me macros |
| .ME2HEADMORPH |
Mass Effect 2 Head Morph |
| .ME2MOD |
Mass Effect 2 game modification file |
| .MEA |
Mastersizer 2000 Sample Analysis |
| .MEB |
PRO100 Furniture/Interior Design Catalog Element |
| .MECH |
Pro/MECHANICA Settings |
| .MECHDAT |
ANSYS Workbench data |
| .MECHDB |
ANSYS Mechanical database |
| .MECONTACT |
Microsoft Live Messenger |
| .MED |
OctaMED Tracker Module |
| .MEDIAGET2 |
MediaGet data |
| .MEDIAWIKI |
Mediawiki Source |
| .MEF |
Mamiya ZD MEF image file |
| .MEG |
Star Wars: Empire at War game file |
| .MEGA |
Megacubo Metafile |
| .MEGA2 |
Doom texture package |
| .MEH |
Adobe Acrobat language resource |
| .MEL |
Maya Embedded Language |
| .MELL |
RedleX Mellel document file |
| .MELLEL |
RedleX Mellel document file |
| .MEM |
FoxPro Memory Variable File |
| .MEMB |
Pro/ENGINEER Temporary |
| .MEMX |
e-Sword 9.x memory verses data |
| .MEN |
MenuPro Restaurant Menu Design |
| .MENC |
Windows Mobile Encrypted File |
| .MENU |
Apple Mac OS X SystemUIServer MenuExtra plugin file |
| .MENUDATA |
VMWare Cache |
| .MENUSKIN |
ObjectBar menu skin |
| .MEO |
MEO encrypted file |
| .MEP |
Inor MePro data |
| .MEPS |
MEPS data |
| .MEPX |
Movavi Video Editor project |
| .MEQ |
Corel WordPerfect Macro Editor Print Queue |
| .MER |
Corel WordPerfect Macro Editor resident area file |
| .MERGEOPTIONS7 |
Araxis Merge options |
| .MERLIN2 |
Merlin Project File |
| .MERLINLICENSE |
Merlin License File |
| .MERRY |
Merry X-Mas ransomware affected file |
| .MES |
Corel WordPerfect Macro Editor Work Space |
| .MESA |
OpenGL GLUT |
| .MESH |
DirectX SDK Sample Mesh File (SDKMESH) |
| .MET |
eMule Metafile |
| .META |
RealPlayer Metafile |
| .META4 |
Metalink 4.0 |
| .METADATA |
Acronis True Image metadata |
| .METADATA_NEVER_INDEX |
macOS Spotlight "Never Index" Marker File |
| .METALINK |
Metalink 3.0 |
| .METASTOCK |
Metastock Data |
| .METRICLOG |
Apple IOS Diagnostic |
| .MEU |
DOS Shell Menu Group |
| .MEW |
MultiEdit Configuration |
