Стандартные занчения расширений файлов
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Num Sym
.??_ Files ending in "_" are often compressed install files of the same
name (e.g., .EX_ expands to .EXE, .DL_ expands to .DLL, etc.)
.M Matlab Function
Brief Macro Source
Mathematica File
Limbo Interface Declaration (Inferno OS)
Cliq Accessories Datebook Modification File [Linux Suite PDF Description]
Desktop Color Separation Specification Magenta Layer (usually an EPS file)
Winamp3 Uncompiled Script
Objective-C Source (.M for implementation file) [Info Source]
.M_C MailCall 2 File (displays and manages emails from pop account)
.M_U MazeGold Critical File Backup
.M?? Ingres Modify Table/Index File (?? = Hex 00 to FF)
.M$S MindStor Firmware Update File (M$A$W.M$S)
.M11 MASS11 Text File
.M12 Proprietary Data Format for Interchange of Defense Form Data
with Mil-Pac Technology Software Products (link is PDF file)
S-BASIC File
Hydrographs Synthesis Project File
SHARP MZ-series Emulator File
.M15 Apple MPEG-1 Video
.M18 Accolade Golf Course File
.M1A Apple MPEG-1/2 Audio
.M1S MPEG Media File [Play with Quicktime]
.M1V MPEG-1 Video File
.M2A Apple MPEG-1/2 Audio
.M2P MPEG-2 Program Stream Format File
.M2S MPEG-2 Audio and Video (system stream)
.M2V MPEG-2 Video Only File
.M3 Modula 3 Program File
.M32 Dr.T MIDI File
.M3A MPEG Archive Enhanced .M3U Playlist File [JukeBox Decoder]
.M3D 3D Animations Macro
Corel Motion 3D Animation
EverQuest File
.M3S Myst III Exile Saved Game
.M3U MP3 Playlist File [WinAmp] [MattBatt iAM-player] [Windows Media Player]
.M3URL MP3 Playlist File [Used by Quicktime or Winamp]
.M4 UNIX M4 Preprocessor File
Meta4 Source Code (Meta4: provider of human
& intellectual capital management software.)
.M75 Apple MPEG-1 Video
.M8 Heretic II MipMap [XnView]
.MA Maya File (ASCII)
Diablo II Map File
.MA1 SKY Mobile Phone Icon/Ringtone
.MA3 Harvard Macro (Harvard Graphics taken over by Serif)
.MAC MacPaint Bitmap Graphic [XnView]
Macro (various)
.MACP MacPaint Bitmap Graphic [XnView]
.MAD Microsoft Access Module Shortcut 
[Buy Office XP at Shop.Microsoft]
Game Movie File (unverified)
.MAF Microsoft Access Form Shortcut [Buy Office XP at Shop.Microsoft]
.MAG MPS Magro Paint System Graphic
Microsoft Access Diagram Shortcut [Buy Office XP at Shop.Microsoft]
MAGIchan Graphic [XnView]
Adobe Magenta Color Separation (also see .BLA, .CYA, .YEL)
.MAGIC Magic Mail Monitor (Check/manage POP3 E-mail accounts -
program no longer supported.)
.MAI VAX Mail
.MAIL NeoPlanet Mail Client (old)
.MAILHOST E-mail Server Preferences File
.MAK Make File (compiler project file)
Visual Basic 3.0 Project
.MAKI Winamp3 Compiled Script (MAKI = Make A Killer Interface)
.MAL AvantGo Connect-compliant Server Configuration File
.MAM Microsoft Access Macro Shortcut [Buy Office XP at Shop.Microsoft]
.MAN Manual (often an ASCII text file)
Windows 2000 Mandatory User Profile
(C:/DOCUMENTS AND SETTINGS/USERNAME/NTUSER.MAN)
.MANIFEST Microsoft Visual Stylesheet for Windows Forms (Text file)
.MAP Image
Server-side Image Map (allows one to map link locations in a Web graphic)
Color Palette
AccView Network Map
Atlas MapMaker Map
Manifold Map (GIS mapping info)
DIV Game Studio Map [XnView]
Fenix Map [XnView]
Ingres Termcap Mapping File
Poser 3D Map File
WorldCraft Quake/Half-Life Game Level File
Blood Game File Map
Duke Nukem Game Level Data File
...and many more games (too many to list)
Linker Map
Micrografx Picture Publisher Format Data
PROGNOSIS Map Document File
.MAPIMAIL Microsoft Outlook Express Mail File
.MAPISEND Microsoft MAPISEND File (unverified)
.MAQ Microsoft Access Query Shortcut [Buy Office XP at Shop.Microsoft]
.MAR Microsoft Access Report Shortcut [Buy Office XP at Shop.Microsoft]
VAX Macro Assembly Program
Bibliographic Data Format (usually .MRC)
.MAS Focus Master Data Definition
Microsoft Access Stored Procedures [Buy Office XP at Shop.Microsoft]
Lotus Freelance Graphics Smartmaster File
QuickCard File
.MAT Sound File
Pro/Engineer Material Properties File
Matlab Variables Binary File
Microsoft Access Table Shortcut [Buy Office XP at Shop.Microsoft]
Autodesk 3D Studio Max and Viz File
Poser 3D Pose File
ArcView Geocoding Matching Parameters File
Ox Object-Oriented Matrix Programming Language Matrix File
CRiSP Harvest File
Hash Animation:Master Material
.MAUD Sound File [Linux Player]
.MAV Microsoft Access View Shortcut [Buy Office XP at Shop.Microsoft]
.MAW Microsoft Access Data Access Page [Buy Office XP at Shop.Microsoft]
.MAX Kinetix's 3D Studio MAX Scene
Autodesk 3ds Max Scene File
Maximizer Contact & E-business Program
Paperport Scanned Image [Viewer]
Max Source Code
OrCAD Layout File
.MAZ Hover Maze Data
Division's dVS/dVISE File
.MB Paradox Memo Holder
Maya Binary (3D Software Maya Scenes)
.MB1 Apogee Monster Bash Data File
.MBA Martus Human Rights Bulletin System
.MBD Multimedia Builder MP3 Authoring File
.MBF Microsoft Money Backup File
.MBFS Stardent AVS X Image [XnView]
.MBFAVS Stardent AVS X Image [XnView]
.MBG Mailbag Assistant E-mail Archive
.MBK dBase IV Multiple Index Backup
VersaPro Motion Block Backup
.MBM SymbianOS Multi BitMap Image (native EPOC image format) [XnView]
.MBS Mailbag Assistant Script
.MBT ecBuilder Template (Web site cataloging)
.MBU Neverwinter Nights Music File
.MBW MarketBrowser (investment charting/analysis)
.MBX Mailbox Message File (Outlook v1-4 or Eudora and others)
.MC MetaCard Script
PlaySaver and PSEmuPro Memory Card Save and Single Game Save
.MC1 MedCalc Data File (statistical research program)
.MC2 Sierra Mastercook Cookbook File
.MC3 Bridge Design Modeler 3D Match-Casting Geometry Control
.MC7 Mastercam 7 File (CAD/CAM Geometry)
.MC8 Mastercam 8 File (CAD/CAM Geometry)
.MC9 Mastercam 9 File (CAD/CAM Geometry)
.MCA i-deas Web ACCESS File
.MCC Mathcad Configuration
Mylar City Character Editor
Dialer10 Calling Card
Monu-Cad Pro CAD File
VectorWorks/MiniCAD File [Viewer]
Incite Media Assistant File
.MCD Mathcad Document
Craig McDowall.com NotePad
Monu-Cad Pro CAD File
Bleem! Memory Card Save
MediaCD Configuration File
.MCF Mathcad Font
Meta Content Format File (describes a Web site) [Process description]
Master Command File
TMPGEnc Template (Multimedia Container Format File)
Sierra Mastercook Cookbook File
Myriad Communications Ltd Public Browser Platform Configuration File
.MCH Macromedia Xtra Cache File
.MCI Media Control Interface Command Set
.MCL Multimedia Manager Collection File
Macro Command Language (Symbol handheld terminals)
MUSHclient World Information File
.MCP Mathcad Printer Driver
Capsule Application Script
Metrowerks CodeWarrior Project (Symbian application development)
.MCQ McAfee Quarantined File
.MCR DataCAD Keyboard Macro File
PlaySaver and PSEmuPro Memory Card Save and Single Game Save [PSX Fanatics]
CuteFTP Script
.MCS MathCAD Format File
HalfLife MapCycle - Editor (MCS = Map Cycle Set)
.MCT Musicator
.MCW MacWrite II Macintosh Text File
.MCX Graphic File
Sierra Mastercook Cookbook File
.MD Compressed Archive File
Teknical eLearning Objects Meta-Data File (stores info on related file)
Technics Keyboard User MIDI Settings File
.MD1 Gear CD Suite File
.MD2 Quake 2 Player Model
.MD3 Quake III Arena Model File (Q3 only)
.MD5 MD5summer (generates and verifies md5 checksums) [MD5 Generator]
[fsum Checksum Utility]
.MD8 Mediator Project File (Multimedia production.)
.MDA Microsoft Access Add-in
Microsoft Access 2 Workgroup
.MDB Microsoft Access Database
Microsoft Access Application
Mediator Multimedia Data
PTC Pro/MECHANICA File (test/optimize designs for structural,
dynamic, thermal and durability performance)
ProWORX Nxt Memory Data (Used with blocking - Found in the NxT directory)
.MDE Microsoft Access MDE Database File
.MDF Menu Definition File
Microsoft-SQL Master Database File
Accelio Capture Classic (JetForm) Filler (JetForm Corp became
Accelio 12 Sep 2001)
I-deas Master Drafting Machine Data File
Star Trek Armada Map File Title & Image Information
(links .BZN File to Title and to custom .BMP)
Insight II Molecular Data File
ProWORX Nxt Memory Data (Found in the NxT directory)
.MDHTML Microsoft Access HTML File
.MDI Borland Multiple Document Interface
.MDK Ad Astra Schedule File (Scheduling application for higher education)
.MDL Digitrakker Music Module (by n-FaCToR)
Rational Rose
Quake Model File
3D Design Plus Model
Simulink Simulation Model
ASTi Model Builder File
Hash Animation:Master 3D Model
MapShots Software (Crop recordkeeping software) [XML-based database files]
CA-Compete! Spreadsheet
Half-life Model [XnView]
Moray Model (wireframe modeller supporting POV-Ray 3.1)
Symbian OS MIME Type Library
.MDM Telix Modem Definition
.MDMP WinXP Trouble Report (extension is added to file sent)
.MDN Microsoft Access Blank Database Template [Buy Office XP at Shop.Microsoft]
.MDO Microsoft Internet Information Server Configuration Backup
.MDP Microsoft Developer Studio Project
.MDR FaxTalk Modem Doctor Modem Report File
.MDS Media Description File [Fantom CD Emulator]
.MDT Microsoft Access Add-in Data [Buy Office XP at Shop.Microsoft]
Microsoft ILink Incremental Linker Data Table
.MDW Microsoft Access Workgroup Information [Buy Office XP at Shop.Microsoft]
.MDX dBase IV Multiple Index [File Structure]
Avery Label Pro Re-Index File
.MDZ Microsoft Access Wizard Template [Buy Office XP at Shop.Microsoft]
Protracker/Module File [use Winamp]
.ME Information (e.g., READ.ME)
.MEA Meazure File (screen measurement and capture utility)
.MEB WordPerfect Macro Editor Bottom Overflow File
.MED WordPerfect Macro Editor Delete Save
OctaMED Tracker Module
.MEG MEGBase MEG 101 B Database File
.MEK Gearhead Garage Game File
.MEL Ericsson Phone Melody
Maya Embedded Language Script
.MEM WordPerfect Macro Editor Macro
Memory File of Variables
Microsoft FoxPro Memory Variable Save File
.MEN Menu
.MEP Inor MePro Software File (MESO transmitter configuration software)
.MEQ WordPerfect Macro Editor Print Queue
.MER WordPerfect Macro Editor Resident Area
Data Interchange Format
.MES Message File
WordPerfect Macro Editor Work Space
.MET WordPerfect Macro Editor Top Overflow File
Presentation Manager Meta File
OmniPage Document
eDonkey2000 File
.METHODS Likely a text file (e.g., README.METHODS)
.MEU DOS Shell Menus
.MEX Matlab Executable Command
WordPerfect Macro Editor Expound File
mexReader Multimedia File
Macro Express Macro (Windows macro utility.)
.MEZ RealArcade Game Information
.MF MetaFont Text File
.MFA Microsoft Site Server 3.0 Report Definition
.MFC Mankind File (Massively Multiplayer Online Game)
.MFD F1RC Relay Game Code File [Support site]
.MFF MIDI File Format
.MFG MediaForge Runtime Player
.MFM VTeX Multiple Master Font Metrics (a variant of the Adobe Font Metrics (AFM) format?)
Quark mTropolis mPire Interactive Multimedia Title [File Information]
(Product is no longer supported.)
.MFW Quark mTropolis mPire Interactive Multimedia Title [File Information]
(Product is no longer supported.)
.MFX Quark mTropolis mPire Interactive Multimedia Title [File Information]
(Product is no longer supported.)
.MGC MGCSoft Equation Editor File
Microsoft Clipart Collection Catalog
.MGCF MagicInstall Compressed File
.MGD Master Grade Gradebook
.MGF Image File
Micrografx Font
Materials and Geometry Format File
.MGL MosASCII Graphics Library
Microsoft Age of Kings File
.MGM MGCSoft Equation Editor Macro File
.MGMAP Ygnius MindGenius Mind Map (Brainstorming and idea organization tool)
.MGR MGR Bitmap [XnView]
.MGS Intelligence Tracking System File (Law Enforcement Data Collection)
.MGTPL Ygnius MindGenius Template (Brainstorming and idea organization tool)
.MGU Band-in-A-Box Midi File [User Group]
.MGX Micrografx Picture Publisher Clipart
.MGZ Metal Gear Solid Archive [Dragon UnPACKer]
.MH Graphic File
.MHG Multimedia File
.MHK Riven Movie Data File (Mohawk Archive)
.MHP Microsoft Home Publishing Project
.MHT Microsoft MHTML Document (Archived Web Page)
.MHTML Microsoft MHTML Document (Archived Web Page)
.MI Miscellaneous
CoCreate CAD File
Winamp3 MAKI Scripting Library (see .MAKI)
.MIB Management Information Base File (SNMP Management Programs)
.MIC Microsoft Image Composer File (shipped with FrontPage, no longer sold)
.MID MIDI File [IrfanView]
MapInfo Interchange Format (always paired with "MIF")
.MIDI MIDI File [IrfanView]
.MIF MIDI Instrument
Adobe FrameMaker Interchange Format
Software License Tracking Tool (CERTAUTH.MIF)
MapInfo Interchange Format File (always paired with "MID")
MicroHof .MIF Assembler File
Image Magick File [XnView]
.MIFF Image Magick File [XnView]
.MII MicroStat II Data File
.MIL Group 4 Fax File
Micro Illustrator Uncompressed Graphic [XnView]
.MIM Multi-Purpose Internet Mail Extensions (MIME) File [MIME] [WinZip should decode]
.MIME Multi-Purpose Internet Mail Extensions (MIME) File [MIME] [WinZip should decode]
.MIO mexReader Multimedia File
.MIP Paint Shop Pro Multiple Image Print File
.MIS Delta Force Land Warrior Mission [Fan site]
Tribes 2 Game File
MagicInstall Installation Script
.MIX Power C Object File
Multilayer Picture File (Microsoft PhotoDraw 2000 & Microsoft Picture It!)
Don Knuth's MIX Emulator
Command & Conquer Picture/Sound File (series of .PCX images and .WAV sound)
[Winamp plugins available to play] [Format]
Techno eJay Music Mix File (These used to be DanceMachine Files)
OzWin CompuServe E-mail/Forum Access Index File
.MIZ Winamp Compressed MIDI File
.MJ MovieJack DVD Ripper File
.MJF Mjuice Secure Music Files [use Winamp with Mjuice Secure MP3 Decoder]
.MJP Media Jukebox File (ASCII file that points to a skin file)
.MJR Media Jukebox Regitration File
.MK Make File
.MKD Malz++Kassner CAD5 Drawing
.MKE Make File
.MKI Picture File
.MKL Malz++Kassner CAD5 Drawing Library
Crйatoria
.MKS Tact Data
Sierra Mastercook Cookbook File
.ML0 CheckMark Software Multiledger Company Name
.ML3 Milestones 3.x Project
.ML6 PowerPoint Milestone File
.MLB Macro Library
.MLD Multilizer Dictionary
Polyphonic Ringtone File for Phones
.MLI Encyclopedia Media List
3D Studio/AutoCAD Material-Library File
.MLK Sierra Mastercook Look File (skin description)
.MLM Novel Groupwise E-mail File
.MLN AutoCAD Multiline Definition File
.MLS Miles Sound Tools Compressed DLS
.MM Macro Mania Macro
Multimate Advantage File
Lightscape Material Map
.MMB MultiMedia Builder
Oracle Forms Menu Binary Source Code
.MMC Media Catalog
Microsoft Office Media Content (Microsoft OfficeXP)
.MMD Peristudio/PeriProducer File
(IVR vocabulary file manipulation: .MMI=Index, .MMD=Data, .MMF=Reference Name)
.MME Multi-Purpose Internet Mail Extensions (MIME) File [MIME]
.MMF Meal Master Format
Microsoft Mail File
Polyphonic Ringtone File for Phones
Peristudio/PeriProducer File
(IVR vocabulary file manipulation: .MMI=Index, .MMD=Data, .MMF=Reference Name)
.MMI Memo Open Client
Peristudio/PeriProducer File
(IVR vocabulary file manipulation: .MMI=Index, .MMD=Data, .MMF=Reference Name)
.MML Mail Meta Language
MySoftware or ProVenture MailList Program Mail List
.MMM Animation Microsoft Multimedia Movie
MacroMind Directory RIFF/RMMP Format Movie
Adobe Multiple Master Font File
.MMO RapidFile Memo Writer
.MMP MindManager Map File
Gammadyne Mailer Project File
CoCo Systems VisiMap
Bravado Board Video Output Format
.MMPBT MindManager Branch Template File
.MMPT MindManager Template
.MMS Miles Sound Tools (Midi+DLS/MLS)
.MMSCRIPT MindManager Script File
.MMT Nimbus 7 SAMS Data File (monthly mean retrieved temperatures)
CoCo Systems VisiMap
.MMV Sony MovieShaker File
.MMW Microsoft Media Content
.MMX Command & Conquer Red Alert 2 Map File
Oracle Forms Compiled Menu
MarkMagic Import/Export (AS/400 software)
.MMZ MusicMatch Theme File
.MN2 Descent2 Mission File
.MN3 Descent3 Mission File
.MN4 Microsoft Money Database (older version)
.MNB MuPAD File
.MNC My Notes Center File
AutoCAD Compiled Menu File
.MND AutoCAD Menu Program File
MNI Mandelbrot for Windows
.MNG Animation Shop Animation
DeLorme Map'n'Go Map
Multi-image Network Graphic [XnView]
.MNL AutoCAD AutoLISP Functions Related to Menu
.MNO Monopoly Saved Game
Macromedia Design Notes
.MNR AutoCAD Compiled Menu File
.MNS AutoCAD ASCII Menu File
.MNT Foxpro Menu Memo
.MNU Menu File (various)
HP NewWave Advanced Macro
AutoCAD Menu Template File
.MNW Menu File (various)
.MNX AutoCAD Compiled Menu File
Foxpro Menu
.MNY Microsoft Money File
.MO Dymola Simulation
.MOB Device Definitions
.MOD Music File (various)
Model File (various)
Modula-2 Program File
ProModel Optimization Software Suite Model
Windows Kernel Module
Amiga and PC Tracker Module [Use ModPlug or DeliPlayer]
Microsoft Multiplan Spreadsheet
Monarch File (data mining)
CATIA Export File [Dassault Systems] [IBM]
Connectivity Memory Model Cell Specific Plasticity
Functions on Incoming Synapses Input File
.MODEL CATIA File [Dassault Systems] [IBM]
Ribbons Molecular Model (Molecular graphics software)
.MOL MDL Molfile (MIME type chemical/x-mdl-molfile) [Requires Chime Plug-in]
Easy Palette Object Library
.MOM SPEFO Stellar Spectra Analysis File
.MON ReadMail Monitor (UNIX)
Virgin Games Monopoly Deluxe (Atari ST)
.MONO Bi-level Bitmap in Least-Significant-Byte First Order
.MONTE CRiSP Harvest File
.MOOV QuickTime Movie
.MOP Mopac Input File (MIME type chemical/x-mopac-input)
.MOR Poser 3D Morph Target File
.MOS Dymola Simulation
Infinity Game Engine Background and GUI Tile Info [More Info]
Compressed Infinity Game Engine Background and GUI Tile Info [More Info]
.MOT Phoneme Translation File
Linux Load Instructions (ASCII file)
.MOV QuickTime Video Clip [IrfanView]
AutoCAD AutoFlix Movie
.MOVERADDIN Mover (Inventory Management) Add-in
.MOVERBACKUP Mover (Inventory Management) Backup Set
.MOVERCONFIG Mover (Inventory Management) Configuration
.MOVERDB Mover (Inventory Management) Database
.MOVERREG Mover (Inventory Management) Registration Info
.MOVERTEMPLATE Mover (Inventory Management) Template
.MOVIE QuickTime Movie
.MOX Extend Simulation Model File
.MOZ Netscape Temp File
.MP Multiplan File
Maya Personal Learning Edition File
EARS Component File (EARS = UK Liberal Democrats Election Agents Record System)
[Filename starts with E]
.MP+ MpegPlus Audio File (replaced by .MPC)
.MP1 MPEG Audio Stream, Layer I
.MP2 MPEG Audio Stream, Layer II
.MP2V MPEG Audio Stream, Layer II
.MP3 MPEG Audio Stream, Layer III [IrfanView]
mp3PRO Audio File (enhanced MP3 format)
SHARP MZ-series Emulator File
Wrapster Wrapped File (hide any file in .MP3 format)
.MP3PRO mp3PRO Enhanced MP3 File
.MP4 iVAST MPEG-4 (hold BIFS-Binary Information For Scene representation)
[MPEG-4 Industry Forum]
.MPA MPEG Audio Stream, Layer I, II or III
Palm Memo File
.MPB TruVideo Video-only MPB Stream [Win Media Player Plug-in]
.MPC Microsoft Project Calender
MP3 Collector Collection Manager File
VersaPro Compiled Motion Block
Musepack Audio File (new format replacing .MP+)
.MPCB ReliaSoft MPC 3 (MSG-3 Aircraft Maintenance Program Software)
.MPD SCSI MiniPort Driver
Microsoft Project Database File
.MPDEX MPdex MP3 Database Utility
.MPE MPEG Movie Clip
.MPE.EXE MP3 Digital Player Wrapper
.MPEG MPEG Movie
.MPF Microsoft Design Gallery
MosASCII Project Workspace File
.MPG MPEG Animation [IrfanView]
MPEG 1 System Stream
.MPG4 MPEG-4 Media File [Play with Quicktime]
.MPGA Mpeg-1 Layer3 Audio Stream
.MPH Microsoft Publisher
.MPI MPlayer Control File [Note: MPlayer is now GameSpy Arcade]
.MPJ RoboHTML Project
Mountain Video Editing File (Atari)
STOIK Morph Man Project Information File
Sometimes .MP3 File
.MPK Augmented Microsoft-Project File
.MPM WordPerfect MathPlan Macro
Max Payne MOD Archive [Added Info]
MPEG Movie [Play with Quicktime]
.MPNT MacPaint Bitmap File [XnView]
.MPO Augmented Microsoft-Project File
.MPP Microsoft Project File
CAD Drawing File
BX-24 Basic Express Compiler Map
.MPQ Blizzard Game Data File
(also other games - MPQDraft, WinMPQ) [Fan Site]
.MPR Foxpro Program
Westwood Studios Game File (e.g., Red Alert, et.al. - should be a text file)
FileMaker Spelling Dictionary
AutoCAD Mass Properties Report
.MPS Multimedia File
MPEG-1 Audio and Video File (system stream)
Casio PDL Pocket Streets Map (Microsoft product - see just below)
Microsoft Pocket Streets Map File
Max Payne Saved Game
Garmin Mapsource GPS Mapping Interface
MySweetNix! (change MSN Messenger Service nickname every n seconds)
.MPT Microsoft Project Template File
Multipage TIFF Bitmap
.MPV Microsoft Project View
MPEG-1 Video File
MyPhotoZip File (compression for image files)
.MPV2 MPEG Audio Stream, Layer II
.MPW MosASCII Project Workspace File
.MPX Foxpro Compiler Menu
Microsoft Project Export File
RCA/Lyra Handheld MP3 Player File (secure MP3 format
that only plays in this player)
BX-24 Basic Express Compiler Map
.MPZ MyPhotoZip File (compression for image files)
.MQP Multiquence Project (multitrack digital audio and video editing)
.MRA VilagRadio Recorded Radio Program
(Can only be played with VilagRadio.) (Hungarian site.)
.MRB Microsoft C++ Multiple Resolution Bitmap Graphic
.MRC MIRC Script File
Bibliographic Data Format
.MRF Marks Russel File [XnView]
Grade Busters Teacher Tools File (MTG_REG.MRF)
WinMorph Project Information File
.MRI MRI Scan
.MRK Informative Graphics Markup File
MissionRisk (Risk-like virtual board game)
.MRO SharpEye Music Reader File
.MRS WordPerfect Macro Resource File
.MRW Minolta Diamage RAW Graphic (use view software supplied with camera)
.MS Checksum File for Anti-Virus
.MS1 OzWin CompuServe E-mail/Forum Access Message File
.MS3D MilkShape 3D Model
.MSA Magic Shadow Archive
.MSC Microsoft Common Console Document
Microsoft C Makefile
CRiSP Harvest File
.MSD Microsoft Diagnostic Utility Report
.MSF Multiple Sequence File (biomedical analysis)
.MSG Program Message
OzWin CompuServe E-mail/Forum Access Message File
Microsoft Mail Message
.MSH MASH (The Microsoft Agent Scripting Helper)
.MSI Windows Installer File (associates components
with features and contains installation control info)
.MSK Autodesk Mask File
PaintShop Pro Mask File [XnView]
CARA-Script-Interpreter-Engine Mask (4th generation database language)
BMC Software Patrol Icon File (ver. before 3.3)
.MSL Magick Scripting Language File
ProWORX Nxt MSL Loadables (Found in the NxT directory)
.MSM MultiSIM Circuit Diagram
.MSN Microsoft Network Document (possibly nicknames)
Descent Mission File
.MSO Microsoft Word OLE Web Page Storage Stream [Buy Office XP at Shop.Microsoft]
Microsoft FrontPage File [Buy Office XP at Shop.Microsoft]
Math Script Object File
.MSP Microsoft Paint Graphic File [XnView]
Windows Installer Patch
Magix Music Studio File
Technics Sx KN 5000 Keyboard Manual Sequence Pads File
Technics Sx KN 6000 Keyboard Performance Pads File
.MSPX Related to Microsoft's .NET (still researching)
.MSR OzWin CompuServe E-mail/Forum Access SYSOP File
.MSRCINCIDENT Microsoft Remote Assistance Request
.MSS Manuscript Text File (various)
Game Score
Miles XMIDI Sequence with DLS Data
.MSSYTLES Windows Visual Style File
.MST Minispecification
DATAIR Pension System Master File
Windows SDK Setup Transform Script (contains mods to apply to
package during installation)
ChemFinder Chemical Structure Index
Visual Test Source File
.MSW Word Text File [Buy Office XP at Shop.Microsoft]
.MSWMM Microsoft Windows Movie Maker Project (Part of WinME & XP)
.MSV Sony Memory Stick Format
.MSW Microsoft Word Text File
.MSX Compressed CP/M File Archive
Age of Empires II: The Conquerors Expansion Multi-player Saved Game
.MT2 MadTracker File (32-bit tracker for Windows)
.MTA Microsoft Flight Simulator Maintenance File
.MTB MINITAB Exec File (a macro file)
.MTD Digital Sheet Music [Viewer]
.MTE MadTracker Envelope File (32-bit tracker for Windows)
.MTF Darkstone Archive [Dragon UnPACKer]
MicroSurfer File (Link manager/accelerator)
.MTG? Jay Klein Making the Grade Teacher Gradebook Program
(.MTG constant ?=Version Number. e.g., .MTG92F)
.MTH Derive Math File
.MTI MadTracker Instrument File (32-bit tracker for Windows)
.MTK Matrikon Software License File
.MTL MathLook File
Mastercam Mill Tool Library (CAD/CAM) (usually in .\MILL6\MTOOLS folder)
.MTM MultiTracker Music Module
.MTP L&H Power Translator Pro
MadTracker Pattern File (32-bit tracker for Windows)
.MTR RealFlight Radio Control Aircraft Simulator Airplane Description
.MTS Viewpoint iPix File
MadTracker Sample File (32-bit tracker for Windows)
.MTT MicrosoftN Messenger Saved Contact File
.MTV MTV Ray-tracer [XnView]
MTV Music Generator
.MTW Minitab Data File
TRADOS MultiTerm Termbase (computer-aided translation)
.MTX Temporary File often used by a browser or TWAIN device
MadTracker Extension File (32-bit tracker for Windows)
File WSOCK32.MTX Associated with MTX Worm
Viewpoint iPix File
GROMACS: Molecular Dynamics Hessian Matrix Format
Anjal2000 Tamil Text File Format Description [Converter]
Marked Text Source File (HTML Generator)
M-Tx Music-From-Text Translator Source File
Adobe Atmosphere File
.MU Quattro Menu
.MUC Music Collector Collection Manager File
.MUF ProtoMuck Multi User Forth Program
.MUI Microsoft Configuration Resource File
.MUL Ultima Online Game
.MUP Music Publisher File
.MUS MusicTime Audio File
Finale Music Score
Harmony Assistant, Melody Assistant, Myriad Music plug-in, Melody Player
Infinity Game Engine Music Control File (ASCII file) [More Info]
.MV Miva Script
.MV3 Oozic 3D MusicVideo
.MVA Matrox Video Card Driver
.MVB Database
Microsoft Multimedia Viewer File [Viewer Download]
Note: The viewer download is old. Don't overwrite any new files with old.
Manual Storage Format [Display Software]
.MVC Music Collector Collection Manager File
.MVD MicroDVD DVD Movie
MicroVision Database
.MVE Interplay Video File [Descent2]
Infinity Game Engine File [More Info]
.MVF Movie Stop Frame File
.MVG Magick Vector Graphic
.MVI AutoCAD Movie Command File
.MVW Saber LAN Log File
.MVX Intentia International Movex
(Suite: Enterprise Management (ENM), Customer Relationship Management (CRM),
Supply Chain Management (SCM), Business Performance Measurement (BPM),
Value Chain Collaboration (VCC), and e-Business)
.MW4 MechWarrior 4 Map
.MWD Photo Soap2 File
.MWF ProMotion Animation
Autodesk MapGuide Author Map Window File
.MWM Mail Warrior File
.MWP Lotus Wordpro 97 Smartmaster File
MegaWorks Pack File [Dutch]
.MWS Maple Spreadsheet
.MWT MetaStock Stock Analysis Template
.MWV MovieWorks File
.MX MX Designer Remote Control File (customize universal remote)
.MX3 Bitbop Tuner Locked Sound File
.MXC ArcView Geocoding Index For Read-Write Coverages (ODB format)
.MXD GIS Project File (map information)
MX Editor Remote Control Device File (customize universal remote)
.MXE Macro Express
Mindex Effect Album
MXEdit File (Programmer for Home Theater Master MX-series remotes) [Support Forum]
.MXF MX Editor Remote Control File (customize universal remote)
.MXI Proteus File (personal light and sound stimulation system)
Macromedia Extension Information
Mindex Indices file for Indexed Images
.MXM Microsoft Project/Outlook Team Assign Task
Mindex Master Index File for a Category
.MXP Macromedia Extension Manager
ArcReader Published Map
.MXS ArcView Geocoding Index For Read-Write Shapefiles (ODB format)
.MXT Microsoft C
ArcMap Map Template
.MYD MySQL Data File
.MYI MySQL Data File
.MYDOCS MyDocs Drop Target
.MYL MYLAI Multilingual Transliteration Scheme
.MYP Make Your Point Presentation
.MYS Myst Saved Game
.MYW MyWorld Education Drawing
.MZ MOZART Music Document [Viewer] (Edits/prints music notation)
.MZB MegaZeux Board
.MZC MOZART Chord Dictionary (Edits/prints music notation)
.MZE MidiMaze File (Atari Game) [Maze Utilities]
Maze Creator File
.MZF SHARP MZ-series Emulator File
.MZM MegaZeux Dynamic Board Section
.MZP MOZART Percussion File (Edits/prints music notation)
.MZQ SHARP MZ-series Emulator QuickDisk File
.MZS SHARP MZ-series Emulator File
.MZT MOZART Template File (Edits/prints music notation)
SHARP MZ-series Emulator File
.MZX MegaZeux World