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File Extension Database - M

File Extension Database 

The Cyber Tech Help File Extension Database is a searchable A-Z of file extensions.

To use the File Extension Database simply click on the first letter of the extension you are looking for.

ABCDEFGHIJKLMNOPQRSTUVWXYZ0-9

Your Results are as follows :

  • .M - Function (program) (Matlab)Macro module (Brief)Standard package (Mathematica)
  • .M11 - Text file (MASS11)
  • .M2P - MPEG-2 Program Stream Format file
  • .M2V - MPEG-2 Video Only file
  • .M3 - Modula 3 source code file
  • .M3D - 3d animation macro
  • .M3U - Music Playlist (Winamp)
  • .M4 - M4 preprocessor file (unix)
  • .M_U - Backup of boot sector, FAT and boot dir (MazeGold)
  • .MA3 - Macro (Harvard Graphics 3.0)
  • .MAC - Bitmap graphics (Macintosh MacPaint)Macro
  • .MAD - MS Access Module Shortcut
  • .MAG - Woody Lynn\'s MAG graphics format (MPS Magro Paint System)
  • .MAI - Mail (VAX)
  • .MAK - MakefileProject file (Visual Basic)
  • .MAN - Command manual
  • .MAP - Color paletteFormat data (Micrografx Picture Publisher)Linker map fileMap (Atlas MapMaker)Network map (AccView)
  • .MAR - Assembly program (VAX Macro)
  • .MAS - Smartmaster set (Freelance Graphics)
  • .MAT - Data file (Matlab)
  • .MAX - Max source code fileMicrosoft Data Analyser View
  • .MB - Memo field values for database (Paradox)
  • .MBF - MS Money Backup file
  • .MBK - Multiple index file backup (dBASE IV)
  • .MBX - Mailbox (Eudora/Zerberus)
  • .MCC - Configuration file (Mathcad)
  • .MCD - Document (Mathcad)
  • .MCF - Mathcad fontMeta Content Format fileMaster Command fileTMPGEnc template
  • .MCI - Mci command script (Media Control Interface)
  • .MCP - Application script (Capsule)Printer driver (Mathcad)
  • .MCR - DataCAD Keyboard macro file
  • .MCW - Text file (MacWrite II)
  • .MCX - Graphic file
  • .MD - Compressed file archive created by MDCD (mdcd10.arc)
  • .MD5 - Message Digest 5 (Easy MD5 Creator)
  • .MDA - Data (MS Access)
  • .MDB - Database (MS Access)
  • .MDF - Accelio Capture Classic (JetForm) FillerI-deas Master Drafting Machine Data fileMenu Definition fileMS-SQL Master Database file
  • .MDL - Model (3D Design Plus)Spreadsheet (CA-Compete!)
  • .MDM - Modem definition (TELIX)
  • .MDR - FaxTalk Modem Doctor Modem Report file
  • .MDT - Data table (MS ILink incremental linker)
  • .MDX - Multiple index file (dBASE IV)
  • .MDZ - MS Access Wizard Template
  • .ME - Usually ASCII text file READ.ME
  • .MEB - Macro Editor bottom overflow file (WordPerfect Library)
  • .MED - Macro Editor delete save (WordPerfect Library)Music (OctaMED)
  • .MEM - Macro Editor macro (WordPerfect Library)Memory variable save file (Clipper - dBASE IV - FoxPro)
  • .MEQ - Macro Editor print queue file (WordPerfect Library)
  • .MER - Macro Editor resident area (WordPerfect Library) (vakioalue)
  • .MES - Macro Editor work space file (WordPerfect Library)Message
  • .MET - Macro Editor top overflow file (WordPerfect Library)Document (Omnipage Pro)
  • .MEU - Menu group (DOS Shell)
  • .MEX - Mex file (executable command) (Matlab)Macro Editor expound file (WordPerfect Library)Mioplanet mex reader interactive file
  • .MF - Metafont text file
  • .MGF - Font (Micrografx)
  • .MHP - MS Home Publishing Project
  • .MHT - MS MHTML Document
  • .MIB - Snmp MIB file
  • .MIC - Microsoft Image Composer file
  • .MID - Standard MIDI file (music synthetizers)
  • .MIF - Maker Interchange Format (FrameMaker)
  • .MII - Datafile (MicroStat-II)
  • .MIM - MIME file
  • .MIO - Multimedia Interactive Object
  • .MIP - Paint Shop Pro Multiple Image Print file
  • .MIS - Delta Force Land Warrior MissionMagicInstall Installation ScriptTribes 2 Game file
  • .MIX - Object file (Power C)
  • .MK - Makefile
  • .MKE - Makefile (MS Windows SDK)
  • .MKI - Japanese graphics MAKIchan format (MagView 0.5)
  • .MKS - Data (TACT)
  • .ML3 - Project (Milestones 3.x)
  • .MLB - Macro library file (Symphony)
  • .MLM - Novel Groupwise e-mail file
  • .MM - Text file (MultiMate Advantage II)
  • .MMC - Media Catalog MSoffice Media Content
  • .MMF - Mail message file (MS Mail)
  • .MML - Mail Meta Language
  • .MMM - Movie (RIFF RMMP format) (MacroMind Director 3.x)
  • .MMO - Memo writer file (RapidFile)
  • .MMP - Output video format from Bravado board
  • .MMX - Command & Conquer Red Alert 2 Map file / Oracle Forms Compiled Menu
  • .MMZ - MusicMatch Theme file
  • .MND - Menu source (AutoCAD Menu Compiler)
  • .MNG - Map (DeLorme Map\'n\'Go)
  • .MNT - Menu memo (FoxPro)
  • .MNU - Advanced macro (HP NewWave)Menu (AutoCAD Menu Compiler - Norton Commander - Signature)
  • .MNX - Compiled menu (AutoCAD)Menu (FoxPro)
  • .MNY - Account book (MS Money)
  • .MOB - Device definition (PEN Windows)
  • .MOD - Modula-2 source code file (Clarion Modula-2)Windows kernel moduleMusic (FastTracker - many)
  • .MOL - MDL Molfile
  • .MON - Monitor description (ReadMail)
  • .MOV - QuickTime Video ClipApple QuickTime AudioAutoCAD AutoFlix Movie
  • .MP2 - Mpeg audio file (xing)
  • .MPC - Calender file (MS Project)
  • .MPD - MS Project database file
  • .MPE - MPEG Movie Clip
  • .MPF - MS Design GalleryMosASCII Project Workspace file
  • .MPG - Mpeg animation
  • .MPM - Mathplan macro (WordPerfect Library)
  • .MPP - Project file (MS Project)CAD Drawing File
  • .MPQ - Blizzard Game Data file
  • .MPR - Generated program (FoxPro)
  • .MPS - Multimedia fileCasio PDL Pocket Streets Map
  • .MPT - Bitmap graphics (Multipage TIFF)Template File (MS Project)
  • .MPV - View file (MS Project)
  • .MPW - MosASCII Project Workspace file
  • .MPX - Compiled menu program (FoxPro)
  • .MRB - Multiple Resolution Bitmap graphics (MS C/C++)
  • .MRC - MIRC Script fileBibliographic Data Format
  • .MRK - Informative Graphics markup file
  • .MRS - Macro Resource file (WordPerfect for Win)
  • .MSC - MS C makefile
  • .MSF - Multiple Sequence file
  • .MSG - Message
  • .MSI - Windows Installer file
  • .MSO - Math Script Object fileMS FrontPage fileMS Word OLE Web Page Storage Stream
  • .MSP - Bitmap graphics (Microsoft Paint)
  • .MSS - Manuscript text file (Perfect Writer - Scribble - MINCE - Jove)
  • .MST - ChemFinder Chemical Structure IndexDATAIR Pension System Master fileMinispecification file (Prosa)Setup script (MS Windows SDK)Visual Test Source file
  • .MSV - Sony Memory Stick Format
  • .MSW - Text file (MS Word)
  • .MSX - Compressed CP/M file archive created by MSX
  • .MTD - Digital Sheet Music
  • .MTH - Math file (Derive)
  • .MTM - Multitracker Module music
  • .MTS - Viewpoint iPix file
  • .MTW - Datafile (Minitab)
  • .MTX - Temporary File often used by a browser or TWAIN deviceViewpoint iPix file
  • .MU - Menu (Quattro Pro)
  • .MU3 - Myriad Music file (packed sounds & digital tracks)
  • .MUF - ProtoMuck Multi User Forth Program
  • .MUL - Ultima Online Game
  • .MUS - MusicTime Sound fileMyriad Music file
  • .MVB - DatabaseMS Multimedia viewer file
  • .MVC - Music Collector Collection Manager file
  • .MVF - Stop frame file (AutoCAD AutoFlix)
  • .MVI - Movie command file (AutoCAD AutoFlix)
  • .MVW - Log file (Saber LAN)
  • .MWF - Animation (ProMotion)
  • .MWV - MovieWorks file
  • .MXD - GIS Project file
  • .MXE - Macro ExpressMindex Effect Album
  • .MXM - MS Project/Outlook Team Assign Task
  • .MXP - Macromedia Extension ManagerArcReader Published Map
  • .MXT - Data (MS C)
  • .MYP - Presentation (MM Make Your Point)
  • .MYR - Myriad Music file
  • .MYS - Myst Saved Game
  • .MYT - Myriad Tutorial fileFunction (program) (Matlab)Macro module (Brief)Standard package (Mathematica)
  • .M2V - MPEG-2 Video Only file
  • .M3 - Modula 3 source code file
  • .M3D - 3d animation macro
  • .M3U - Music Playlist (Winamp)
  • .M4 - M4 preprocessor file (unix)
  • .M_U - Backup of boot sector, FAT and boot dir (MazeGold)
  • .MA3 - Macro (Harvard Graphics 3.0)
  • .MAC - Bitmap graphics (Macintosh MacPaint)Macro
  • .MAD - MS Access Module Shortcut
  • .MAG - Woody Lynn\'s MAG graphics format (MPS Magro Paint System)
  • .MAI - Mail (VAX)
  • .MAK - MakefileProject file (Visual Basic)
  • .MAN - Command manual
  • .MAP - Color paletteFormat data (Micrografx Picture Publisher)Linker map fileMap (Atlas MapMaker)Network map (AccView)
  • .MAR - Assembly program (VAX Macro)
  • .MAS - Smartmaster set (Freelance Graphics)
  • .MAT - Data file (Matlab)
  • .MAX - Max source code fileMicrosoft Data Analyser View
  • .MB - Memo field values for database (Paradox)
  • .MBF - MS Money Backup file
  • .MBK - Multiple index file backup (dBASE IV)
  • .MBX - Mailbox (Eudora/Zerberus)
  • .MCC - Configuration file (Mathcad)
  • .MCD - Document (Mathcad)
  • .MCF - Mathcad fontMeta Content Format fileMaster Command fileTMPGEnc template
  • .MCI - Mci command script (Media Control Interface)
  • .MCP - Application script (Capsule)Printer driver (Mathcad)
  • .MCR - DataCAD Keyboard macro file
  • .MCW - Text file (MacWrite II)
  • .MCX - Graphic file
  • .MD - Compressed file archive created by MDCD (mdcd10.arc)
  • .MD5 - Message Digest 5 (Easy MD5 Creator)
  • .MDA - Data (MS Access)
  • .MDB - Database (MS Access)
  • .MDF - Accelio Capture Classic (JetForm) FillerI-deas Master Drafting Machine Data fileMenu Definition fileMS-SQL Master Database file
  • .MDL - Model (3D Design Plus)Spreadsheet (CA-Compete!)
  • .MDM - Modem definition (TELIX)
  • .MDR - FaxTalk Modem Doctor Modem Report file
  • .MDT - Data table (MS ILink incremental linker)
  • .MDX - Multiple index file (dBASE IV)
  • .MDZ - MS Access Wizard Template
  • .ME - Usually ASCII text file READ.ME
  • .MEB - Macro Editor bottom overflow file (WordPerfect Library)
  • .MED - Macro Editor delete save (WordPerfect Library)Music (OctaMED)
  • .MEM - Macro Editor macro (WordPerfect Library)Memory variable save file (Clipper - dBASE IV - FoxPro)
  • .MEQ - Macro Editor print queue file (WordPerfect Library)
  • .MER - Macro Editor resident area (WordPerfect Library) (vakioalue)
  • .MES - Macro Editor work space file (WordPerfect Library)Message
  • .MET - Document (Omnipage Pro)eDonkey2000 fileMacro Editor top overflow file (WordPerfect Library)Presentation Manager Meta file
  • .MEU - Menu group (DOS Shell)
  • .MEX - Mex file (executable command) (Matlab)Macro Editor expound file (WordPerfect Library)Mioplanet mex reader interactive file
  • .MF - Metafont text file
  • .MGF - Font (Micrografx)
  • .MHP - MS Home Publishing Project
  • .MHT - MS MHTML Document
  • .MIB - Snmp MIB file
  • .MIC - Microsoft Image Composer file
  • .MID - Standard MIDI file (music synthetizers)
  • .MIF - Maker Interchange Format (FrameMaker)
  • .MII - Datafile (MicroStat-II)
  • .MIM - MIME file
  • .MIO - Multimedia Interactive Object
  • .MIP - Paint Shop Pro Multiple Image Print file
  • .MIS - Delta Force Land Warrior MissionMagicInstall Installation ScriptTribes 2 Game file
  • .MIX - Object file (Power C)
  • .MK - Makefile
  • .MKE - Makefile (MS Windows SDK)
  • .MKI - Japanese graphics MAKIchan format (MagView 0.5)
  • .MKS - Data (TACT)
  • .ML3 - Project (Milestones 3.x)
  • .MLB - Macro library file (Symphony)
  • .MLM - Novel Groupwise e-mail file
  • .MM - Text file (MultiMate Advantage II)
  • .MMC - Media Catalog MSoffice Media Content
  • .MMD - Peristudio/PeriProducer file
  • .MMF - Mail message file (MS Mail)
  • .MML - Mail Meta Language
  • .MMM - Movie (RIFF RMMP format) (MacroMind Director 3.x)
  • .MMO - Memo writer file (RapidFile)
  • .MMP - Output video format from Bravado board
  • .MMX - Command & Conquer Red Alert 2 Map file / Oracle Forms Compiled Menu
  • .MMZ - MusicMatch Theme file
  • .MND - Menu source (AutoCAD Menu Compiler)
  • .MNG - Map (DeLorme Map\'n\'Go)
  • .MNT - Menu memo (FoxPro)
  • .MNU - Advanced macro (HP NewWave)Menu (AutoCAD Menu Compiler - Norton Commander - Signature)
  • .MNX - Compiled menu (AutoCAD)Menu (FoxPro)
  • .MNY - Account book (MS Money)
  • .MOB - Device definition (PEN Windows)
  • .MOD - Modula-2 source code file (Clarion Modula-2)Windows kernel moduleMusic (FastTracker - many)
  • .MOL - MDL Molfile
  • .MON - Monitor description (ReadMail)
  • .MOV - QuickTime Video ClipApple QuickTime AudioAutoCAD AutoFlix Movie
  • .MP2 - Mpeg audio file (xing)
  • .MP3 - mp3PRO Audio fileMPEG Audio Stream, Layer IIISHARP MZ-series Emulator fileWrapster Wrapped file
  • .MP4 - MPEG-4 Video File
  • .MPC - Calender file (MS Project)
  • .MPD - MS Project database file
  • .MPE - MPEG Movie Clip
  • .MPF - MS Design GalleryMosASCII Project Workspace file
  • .MPG - Mpeg animation
  • .MPM - Mathplan macro (WordPerfect Library)
  • .MPP - Project file (MS Project)CAD Drawing File
  • .MPQ - Blizzard Game Data file
  • .MPR - Generated program (FoxPro)
  • .MPS - Multimedia FileCasio PDL Pocket Streets Map
  • .MPT - Bitmap graphics (Multipage TIFF)Template File (MS Project)
  • .MPV - View file (MS Project)
  • .MPW - MosASCII Project Workspace file
  • .MPX - Compiled menu program (FoxPro)
  • .MRB - Multiple Resolution Bitmap graphics (MS C/C++)
  • .MRC - MIRC Script fileBibliographic Data Format
  • .MRK - Informative Graphics markup file
  • .MRS - Macro Resource file (WordPerfect for Win)
  • .MSC - MS C makefile
  • .MSD - MS Diagnostic Utility Report
  • .MSF - Multiple Sequence file
  • .MSG - Message
  • .MSI - Windows Installer file
  • .MSM - MultiSIM Circuit Diagram
  • .MSO - Math Script Object fileMS FrontPage fileMS Word OLE Web Page Storage Stream
  • .MSP - Bitmap graphics (Microsoft Paint)
  • .MSPX - XML based Web Page
  • .MSS - Manuscript text file (Perfect Writer - Scribble - MINCE - Jove)
  • .MST - ChemFinder Chemical Structure IndexDATAIR Pension System Master fileMinispecification file (Prosa)Setup script (MS Windows SDK)Visual Test Source file
  • .MSV - Sony Memory Stick Format
  • .MSW - Text file (MS Word)
  • .MSX - Compressed CP/M file archive created by MSX
  • .MTD - Digital Sheet Music
  • .MTH - Math file (Derive)
  • .MTM - Multitracker Module music
  • .MTS - Viewpoint iPix file
  • .MTW - Datafile (Minitab)
  • .MTX - Temporary File often used by a browser or TWAIN deviceViewpoint iPix file
  • .MU - Menu (Quattro Pro)
  • .MU3 - Myriad Music file (packed sounds & digital tracks)
  • .MUF - ProtoMuck Multi User Forth Program
  • .MUL - Ultima Online Game
  • .MUS - MusicTime Sound fileMyriad Music file
  • .MVB - DatabaseMS Multimedia viewer file
  • .MVC - Music Collector Collection Manager file
  • .MVD - MicroDVD (DVD movie file)
  • .MVF - Stop frame file (AutoCAD AutoFlix)
  • .MVI - Movie command file (AutoCAD AutoFlix)
  • .MVW - Log file (Saber LAN)
  • .MWF - Animation (ProMotion)
  • .MWP - Lotus Wordpro 97 Smartmaster fileMegaWorks Pack file
  • .MWV - MovieWorks file
  • .MXD - GIS Project file
  • .MXE - Macro ExpressMindex Effect Album
  • .MXF - Material eXchange Format
  • .MXM - MS Project/Outlook Team Assign Task
  • .MXP - Macromedia Extension ManagerArcReader Published Map
  • .MXT - Data (MS C)
  • .MYP - Presentation (MM Make Your Point)
  • .MYR - Myriad Music file
  • .MYS - Myst Saved Game
  • .MYT - Myriad Tutorial file

You searched for the letter M.