Starting with a character: : M

File extension	Full name
M File Extension	Objective-C Implementation File
M12 File Extension	Akregator file
M15 File Extension	MPEG Video
M1A File Extension	MPEG-1 Audio File
M1PG File Extension	iFinish Video Clip
M1V File Extension	MPEG-1 Video File
M2 File Extension	World or Warcraft Model Object
M21 File Extension	MPEG-21 File
M2A File Extension	MPEG-1 Layer 2 Audio File
M2P File Extension	MPEG-2 Program Stream File
M2S File Extension	MPEG-2 audio video file
M2T File Extension	MPEG-2 transport stream file
M2TS File Extension	Blu-ray BDAV Video File
M2V File Extension	MPEG-2 Video
M3 File Extension	Blizzard MDX3 Model File
M3D File Extension	DIALux 3D object file
M3G File Extension	Mobile 3D Graphics Program
M3U File Extension	Media Playlist File
M3U8 File Extension	UTF-8 M3U Playlist File
M4 File Extension	Macro Processor Library
M4A File Extension	MPEG-4 Audio File
M4B File Extension	MPEG-4 Audio Book File
M4E File Extension	MPEG-4 Video File
M4P File Extension	iTunes Music Store Audio File
M4R File Extension	iPhone Ringtone File
M4U File Extension	MPEG-4 Playlist
M4V File Extension	iTunes Video File
M75 File Extension	MPEG Video
MA File Extension	Maya Project File
MA1 File Extension	Monarch Audio File
MAB File Extension	Mozilla Address Book
MAC File Extension	MacPaint Image
MACBIN File Extension	Macbinary Encoded File
MAD File Extension	Access Module Shortcut
MAE File Extension	Maestro molecular model file
MAF File Extension	Microsoft Access form shortcut file
MAFF File Extension	Mozilla Archive Format File
MAG File Extension	Access Diagram Shortcut File
MAGIK File Extension	Magik Source Code File
MAHJONGTITANSSAVE-MS File Extension	Mahjong Titans Saved Game
MAI File Extension	Microsoft Mail File
MAILHOST File Extension	MSN Mailhost Settings File
MAILPLANELICENSE File Extension	Mailplane License File
MAILTOLOC File Extension	Mail Internet Location File
MAK File Extension	Makefile
MAKE File Extension	Xcode Makefile Script
MAKEFILE File Extension	Makefile
MAKO File Extension	Mako Template
MAL File Extension	MadAppLauncher Configuration File
MAM File Extension	Microsoft Access Macro
MAN File Extension	Unix Manual
MANI File Extension	Mine-imator Project File
MANIFEST File Extension	Windows Application Manifest File
MANM File Extension	Vietcong Game Data File
MAP File Extension	Geographical map file
MAPIMAIL File Extension	Send To Mail Recipient
MAPLET File Extension	Maplet World File
MAPSDATA File Extension	iOS Maps Data File
MAPX File Extension	Mapjects Client Webparts File
MAQ File Extension	Microsoft Access Query
MAR File Extension	Mozilla Archive
MARKDN File Extension	Markdown File
MARKDOWN File Extension	Markdown Documentation File
MARS File Extension	Adobe MARS File
MARSHAL File Extension	Marshal Data Migration Model File
MART File Extension	MartView eBook File
MAS File Extension	Microsoft Access stored procedures file
MASK File Extension	SpeedGrade Color Mask File
MASSEFFECTPROFILE File Extension	Mass Effect Player Profile
MASSEFFECTSAVE File Extension	Mass Effect Saved Game
MASTER File Extension	ASP.NET Master Page
MAT File Extension	Microsoft Access table shortcut file
MATERIAL File Extension	Rigs of Rods Texture Reference File
MATO File Extension	Atomic Combat Saved Game
MAU File Extension	Media Attachment Unit
MAV File Extension	Access View File
MAW File Extension	Access Data Access Page
MAX File Extension	3ds Max Scene File
MAXC File Extension	3ds Max Container File
MAZ File Extension	Hover! Maze File
MB File Extension	Maya Binary Project File
MBB File Extension	Kodak EasyShare Data File
MBBK File Extension	ManaBook Book Kit File
MBD File Extension	Multimedia Builder Project File
MBF File Extension	Microsoft Money Backup File
MBG File Extension	Mailbag Assistant Mailbox File
MBI File Extension	Multi-Bootable Information File
MBK File Extension	dBASE IV Multiple Index Backup File
MBL File Extension	Logger Pro Data File
MBM File Extension	Multi Bitmap File
MBOX File Extension	E-mail Mailbox File
MBP File Extension	Mobipocket Notes File
MBR File Extension	Zune Smooth Streaming File
MBS File Extension	Opera Mailbox File
MBSA File Extension	Microsoft Baseline Security Analyzer File
MBT File Extension	Blue Card Manager Merit Badge Template File
MBW File Extension	MBRWizard Archive
MBX File Extension	Outlook Express Mailbox
MC1 File Extension	MedCalc Data File
MC2 File Extension	MasterCook 5 Cookbook File
MC5 File Extension	Poser 5 Material File
MC6 File Extension	Poser Material Collection File
MC9 File Extension	Mastercam 9 Geometry File
MCA File Extension	Minecraft "Anvil" Map File
MCD File Extension	VectorWorks drawing file
MCDX File Extension	Mathcad Prime Document
MCF File Extension	Mathcad font file
MCFI File Extension	Maya Initial Fluid Cache File
MCFP File Extension	Maya Fluid Cache Playback File
MCGAME File Extension	Minecraft Game Backup File
MCI File Extension	Media Control Interface File
MCL File Extension	Windows Media Center Link File
MCLEVEL File Extension	Minecraft Map File
MCMETA File Extension	Minecraft Animation File
MCO File Extension	Live Messenger Winks File
MCP File Extension	MSN Content Plus installer file archive
MCR File Extension	3ds Max Macroscript File
MCRP File Extension	MobyExplorer Encrypted File
MCS File Extension	Mathcad Image
MCSP File Extension	My Craft Studio Project File
MCSX File Extension	My Craft Studio Professional File
MCW File Extension	Microsoft Word 5 for Mac document file
MCWORLD File Extension	Minecraft World Backup File
MCX File Extension	MICRO CADAM-X/6000 Model Data File
MCXE File Extension	MedicinesComplete Data File
MCZ File Extension	Compressed Poser Material File
MD File Extension	Markdown Documentation File
MD0 File Extension	Alcohol Disk Image Segment 1
MD1 File Extension	GEAR CD/DVD Disc Image
MD2 File Extension	Quake 2 Player Model
MD3 File Extension	Quake 3 3D Model
MD5 File Extension	MD5 Checksum File
MD5TXT File Extension	Message Digest 5 Hash File
MD5ANIM File Extension	id Tech 4 Model Animation File
MD5CAMERA File Extension	id Tech 4 Model Camera File
MD5MESH File Extension	id Tech 4 3D Mesh File
MD8 File Extension	Mediator Project File
MDA File Extension	Access Add-in
MDB File Extension	Microsoft Access Database
MDBACKUP File Extension	iPhone Data Backup File
MDBHTML File Extension	Microsoft Access Database HTML File
MDC File Extension	Image Minolta RD175
MDD File Extension	Point Oven Deformation Data File
MDDATA File Extension	iPhone Backup File
MDE File Extension	Compiled Access Add-in File
MDF File Extension	Media Disc Image File
MDI File Extension	Microsoft Document Imaging File
MDINFO File Extension	iPhone Backup Information File
MDL File Extension	Flight Simulator 95/98 3D model file
MDM File Extension	HLM Multivariate Data Matrix File
MDMP File Extension	Windows Minidump
MDN File Extension	Blank Access Database Template
MDOWN File Extension	Markdown File
MDP File Extension	Visual C++ 5 Workspace File
MDS File Extension	Media Descriptor File
MDT File Extension	GeoMedia Access Database Template
MDW File Extension	Access Workgroup File
MDX File Extension	Extended Media Descriptor File
MDZ File Extension	Access Wizard Template
MDZIP File Extension	MagicDraw Project Archive
ME File Extension	Readme Text File
ME2MOD File Extension	Mass Effect 2 Modification File
MEB File Extension	PRO100 3D Interior Catalog Element
MED File Extension	Amiga MED Sound File
MEF File Extension	Mamiya RAW Image
MEG File Extension	MEGA Data File
MEGA File Extension	Megacubo XML Metafile
MEL File Extension	Maya Embedded Language File
MELL File Extension	Mellel Word Processing File
MELLEL File Extension	Mellel Word Processing Document
MEM File Extension	FoxPro Variable File
MENC File Extension	Windows Mobile Encrypted File
MENU File Extension	Quake 3 Engine Menu File
MEO File Extension	MEO Encrypted Archive
MER File Extension	Corel WordPerfect Macro Editor resident area file
MERLIN2 File Extension	Merlin Project File
MERLINLICENSE File Extension	Merlin License File
MESH File Extension	DirectX Mesh File
MET File Extension	eMule Resource File
META File Extension	RealPlayer Metafile
METADATA_NEVER_INDEX File Extension	Spotlight Never Index File
MEX File Extension	Macro Express File
MF File Extension	Java Manifest File
MFA File Extension	Multimedia Fusion Development File
MFCRIBBON-MS File Extension	MFC Ribbon Definition XML File
MFE File Extension	character studio file
MFIL File Extension	Blizzard Software Update File
MFL File Extension	Mozilla FastLoad File
MFO File Extension	Perl ModInfo Descriptor File
MFP File Extension	MediaFACE Project File
MFS File Extension	MetFS Encrypted File System
MFT File Extension	MediaFACE Project Template
MFU File Extension	Backdoor.Win32.Agent.mfu virus file
MFV File Extension	MobileFrame Device Pack File
MFW File Extension	MobileFrame Workflow Pack File
MFX File Extension	Multimedia Fusion Extension
MGA File Extension	Manga Document
MGC File Extension	Microsoft Clip Organizer Media Catalog
MGCB File Extension	Equation Illustrator Project File
MGDATABASE File Extension	MacGourmet Deluxe Database File
MGF File Extension	Materials and Geometry Format
MGK File Extension	ImageMagick Configuration File
MGL File Extension	Age of Empires 2 Replay File
MGM File Extension	MGCSoft Equation Editor Macro file format
MGMF File Extension	MindGenius Map File
MGMT File Extension	MindGenius 2-3 Template
MGMX File Extension	MindGenius XML Map File
MGO File Extension	MacGourmet Recipe File
MGOURMET File Extension	MacGourmet Deluxe Document
MGOURMET3 File Extension	MacGourmet Deluxe 3 Document
MGS File Extension	MGCSoft Vector Shapes File
MGT File Extension	ZX Spectrum emulator disk image
MGTHEME File Extension	MacGourmet Theme File
MGTX File Extension	MindGenius XML Template File
MGV File Extension	PSP Video File
MGX File Extension	Micrografx Designer drawing file
MHS File Extension	Xilinx XPS Hardware Specification File
MHT File Extension	MHTML Web Archive
MHTML File Extension	MIME HTML File
MI4 File Extension	Audio Player Firmware File
MIC File Extension	Image Composer File
MID File Extension	MIDI File
MIDI File Extension	MIDI File
MIF File Extension	MapInfo Interchange Format File
MIG File Extension	Windows Migration Backup File
MII File Extension	Wii Virtual Avatar File
MILK File Extension	MilkDrop Winamp Plugin Preset
MIM File Extension	Multi-Purpose Internet Mail Message File
MIME File Extension	Multi-Purpose Internet Mail Extension
MIN File Extension	Okuma CNC Program File
MINDNODE File Extension	MindNode Document
MINE File Extension	Minecraft Map File
MINESWEEPERSAVE-MS File Extension	Minesweeper Saved Game
MINI2SF File Extension	Nintendo DS Sound Information File
MININCSF File Extension	NCSF Nintendo DS Audio File
MINIPSF File Extension	Miniature PlayStation Sound Format File
MINIPSF2 File Extension	Miniature PlayStation Sound Format File
MINIUSF File Extension	Nintendo 64 Song File
MINT File Extension	Linux Mint Installer File
MIO File Extension	MioEngine Application File
MIP File Extension	Multiple Image Print File
MIR File Extension	Mini-Image Ripper Disc Image
MIS File Extension	Saved Game Mission File
MISSION File Extension	MissionMaker Project File
MIT File Extension	MineEdit Inventory Template File
MIX File Extension	Microsoft Image Exchange File
MJ2 File Extension	Motion JPEG 2000 Video Clip
MJD File Extension	Adobe Acrobat MIME Encoded Job Definition File
MJDOC File Extension	MacJournal Document
MJP File Extension	MJPEG Video File
MJPG File Extension	Motion JPEG Video File
MK File Extension	Makefile
MK3D File Extension	Matroska 3D Video File
MK4 File Extension	Schiller medilog ECG Raw Data File
MKA File Extension	Matroska Audio File
MKV File Extension	Matroska Video File
ML File Extension	ML Source Code File
MLB File Extension	MyLabel Designer Deluxe Project File
MLC File Extension	Microsoft Language Interface Pack
MLK File Extension	MasterCook Look File
MLL File Extension	Maya Plugin
MLP File Extension	Meridian Lossless Packing Audio File
MLS File Extension	Miles Sound Tools compressed DLS file
MM File Extension	Objective-C++ Source File
MM6 File Extension	Might and Magic 6 saved game file
MM7 File Extension	Might and Magic 7 saved game file
MM8 File Extension	MusicMaker V8 audio file
MMA File Extension	Master Album Maker Photo Album File
MMAP File Extension	MindManager Map File
MMAT File Extension	MindManager Map Template
MMC File Extension	Microsoft Media Catalog
MMCOLLECTION File Extension	Microsoft Outlook Mail Manager plug-in collection file
MMDC File Extension	MediaMonkey Device Configuration File
MME File Extension	Multi-Purpose Internet Mail
MMF File Extension	Microsoft Mail message file
MMIP File Extension	MediaMonkey Installation Package
MML File Extension	FrameMaker Maker Markup Language File
MMM File Extension	MultiMedia Movie format (RIFF RMMP)
MMO File Extension	RapidFile memo document file
MMP File Extension	MixMeister Studio playlist file
MMU File Extension	myPM Merge Data File
MMV File Extension	MicroMV Video File
MMW File Extension	AceMoney Money File
MNC File Extension	AutoCAD compiled menu file
MNG File Extension	Multiple Network Graphic
MNH File Extension	Master Navigator Header File
MNK File Extension	My Notes Keeper Notebook
MNL File Extension	AutoCAD Menu LISP File
MNM File Extension	Character Studio Marker Name File
MNO File Extension	Macromedia Design Note
MNR File Extension	AutoCAD Menu Resource File
MNS File Extension	AutoCAD Interface Settings File
MNT File Extension	FoxPro Menu Memo
MNU File Extension	AutoCAD Interface Layout File
MNV File Extension	PlayStation Movie File
MNX File Extension	FoxPro Menu
MNY File Extension	Microsoft Money File
MO File Extension	Machine Object File
MO3 File Extension	MO3 Audio File
MOB File Extension	MOBTV Video File
MOBI File Extension	Mobipocket eBook
MOBILECONFIG File Extension	Apple Mobile Configuration File
MOBILEPROVISION File Extension	iOS mobile device provisioning profile file
MOD File Extension	Amiga Music Module File
MODD File Extension	Sony Video Analysis File
MODE File Extension	Coda Syntax Mode File
MODEL File Extension	CATIA 3D Model FIle
MODULE File Extension	Drupal Module File
MOF File Extension	Managed Object Format File
MOFF File Extension	Sony Video Analysis Index File
MOGG File Extension	Multitrack Ogg File
MOHO File Extension	Anime Studio Animation Project
MOI File Extension	JVC Everio digital audio file
MOL File Extension	MDL Molfile
MOM File Extension	Managed Object Model
MOMMA File Extension	Offspring Fling Replay File
MONEY File Extension	Money Data File
MONEYWELL File Extension	MoneyWell Account File
MONTAGE File Extension	Montage Screenplay File
MOOV File Extension	Apple QuickTime Movie
MOS File Extension	Leaf Camera RAW File
MOSAIC File Extension	MacOSaiX Mosaic File
MOT File Extension	LightWave Motion File
MOU File Extension	WinMount Compressed File
MOV File Extension	Apple QuickTime Movie
MOVIE File Extension	QuickTime Movie File
MOX File Extension	ExtendSim Simulation Software Model
MOZ File Extension	Mozilla Cache File
MP File Extension	Maya PLE Project File
MP1 File Extension	MPEG-1 Layer 1 Audio File
MP10 File Extension	Multisim 10 Project File
MP11 File Extension	Multisim 11 Project File
MP2 File Extension	MPEG Layer II Compressed Audio File
MP21 File Extension	MPEG-21 Multimedia File
MP2M File Extension	Max Payne 2 Mod File
MP2S File Extension	Max Payne 2 Saved Game
MP2V File Extension	MPEG-2 Video File
MP3 File Extension	MP3 Audio File
MP4 File Extension	MPEG-4 Video File
MP4INFOVID File Extension	Parrot AR Drone and Gyro Flyer Video
MP4V File Extension	MPEG-4 Video
MP7 File Extension	Multisim 7 Project File
MP9 File Extension	Multisim 9 Project File
MPA File Extension	MPEG-2 Audio File
MPB File Extension	MyPhoneExplorer Backup File
MPC File Extension	Musepack Compressed Audio File
MPCPL File Extension	Media Player Classic Playlist
MPD File Extension	Microsoft Project Database
MPDCONF File Extension	Music Player Daemon File
MPDP File Extension	MixPad Project File
MPE File Extension	MPEG Movie File
MPEG File Extension	MPEG Movie
MPEG1 File Extension	MPEG-1 Video File
MPEG4 File Extension	MPEG-4 File
MPF File Extension	Microsoft Media Package FIle
MPG File Extension	MPEG Video File
MPG2 File Extension	MPEG-2 Video File
MPGA File Extension	MPEG-1 Layer 3 Audio File
MPGINDEX File Extension	Adobe MPEG Index File
MPI File Extension	InstallJammer Project File
MPJ File Extension	RoboHelp HTML Project
MPK File Extension	Painkiller Overdose game map file
MPKG File Extension	Meta Package File
MPL File Extension	AVCHD Playlist File
MPLS File Extension	Blu-ray Movie Playlist File
MPM File Extension	Corel WordPerfect MathPlan Macro file
MPO File Extension	Multi Picture Object File
MPP File Extension	Microsoft Project File
MPPZ File Extension	MagicPlot Project File
MPR File Extension	FoxPro Generated Menu Program
MPS File Extension	Pocket Streets Map File
MPSUB File Extension	MPlayer Subtitles File
MPT File Extension	Microsoft Project Template
MPU File Extension	MPEG Layer 3 Audio File
MPV File Extension	MPEG Elementary Stream Video File
MPV2 File Extension	MPEG-2 Video Stream
MPW File Extension	Microsoft Project Workspace File
MPX File Extension	Microsoft Project Exchange File
MPZ File Extension	Miradi Project File
MPZIP File Extension	Multisim Pack File
MP_ File Extension	Mobile Phone Sound File
MQ4 File Extension	MetaTrader Custom Indicator
MQO File Extension	Metasequoia Document
MQV File Extension	Sony Movie Format File
MRB File Extension	Multiple Resolution Bitmap File
MRC File Extension	mIRC Script File
MRG File Extension	MySQL Merge File
MRIMG File Extension	Macrium Reflect Disk Image
MRK File Extension	DPOF Auto Print Order File
MRML File Extension	3D Slicer Scene Description File
MRS File Extension	Corel WordPerfect Macro resource file
MRT File Extension	Microsoft Visio 2010 installation archive file
MRW File Extension	Minolta Raw Image File
MRXS File Extension	MIRAX Virtual Slide File
MS File Extension	3ds Max Script File
MS-TNEF File Extension	MS Transport Neutral Encapsulation Format
MS1 File Extension	VirtualBus Map File
MS10 File Extension	Multisim 10 Circuit Design File
MS11 File Extension	Multisim 11 Circuit Design File
MS3D File Extension	MilkShape 3D Model
MS7 File Extension	Multisim 7 Circuit Design File
MS8 File Extension	Multisim 8 Circuit Design File
MS9 File Extension	Multisim 9 Circuit Design File
MSB File Extension	The Bat! file
MSC File Extension	Microsoft Management Console Snap-in Control File
MSCX File Extension	MuseScore Music Score File
MSCZ File Extension	MuseScore Compressed Score File
MSD File Extension	Map Service Definition File
MSDVD File Extension	Windows DVD Maker Project File
MSE File Extension	3ds Max Encrypted MAXScript File
MSF File Extension	Mail Summary File
MSG File Extension	Outlook Mail Message
MSH File Extension	Orbiter 3D Mesh File
MSHA File Extension	Microsoft Help Asset File
MSHC File Extension	Microsoft Help Container File
MSHI File Extension	Microsoft Help Index File
MSI File Extension	Windows Installer Package
MSIF File Extension	MyLabel Designer Deluxe Data File
MSK File Extension	Paint Shop Pro Mask File
MSKN File Extension	MediaMonkey Skin File
MSL File Extension	Miranda IM smiley definitions
MSM File Extension	Windows Installer Merge Module
MSN File Extension	Host Blocking File
MSO File Extension	Inline E-mail Attachment
MSP File Extension	Windows Installer Patch
MSPX File Extension	Microsoft ASP.NET Web Page
MSRCINCIDENT File Extension	Windows Remote Assistance Invitation File
MSS File Extension	Miles Sound System DLS 1 sound format
MSSTYLE File Extension	Windows XP Unsigned Style
MSSTYLES File Extension	Windows XP Style
MST File Extension	Windows Installer Setup Transform File
MSU File Extension	Windows Vista Update Package
MSV File Extension	Memory Stick Voice File
MSW File Extension	Microsoft Word 5 Document file
MSWMM File Extension	Windows Movie Maker Project
MT2 File Extension	MadTracker 2 Module
MT9 File Extension	MT9 Audio File
MTA File Extension	Samsung AllShare Metadata File
MTD File Extension	Musicnotes Digital Sheet Music File
MTE File Extension	MadTracker 2 Envelope
MTF File Extension	Motorola Theme File
MTH File Extension	Derive Math File
MTI File Extension	MadTracker Instrument
MTL File Extension	OBJ Material File
MTM File Extension	MultiTracker Module
MTP File Extension	MadTracker 2 Pattern
MTS File Extension	AVCHD Video File
MTT File Extension	Microsoft Messenger saved contact file format
MTV File Extension	MTV Video Format File
MTW File Extension	Minitab Worksheet File
MTX File Extension	Microsoft Visual Studio manual test text file
MTZ File Extension	MIUI Theme
MU File Extension	Corel Quattro Pro for DOS menu definition file
MU3 File Extension	Myriad Packed Musical Score
MUD File Extension	Textease multi user database
MUF File Extension	Alpha Five Licence File
MUI File Extension	Multilingual User Interface File
MUI_CCCD5AE0 File Extension	Hid User Library
MUL File Extension	Ultima Online Multi File
MUM File Extension	Windows Vista Update Package
MUP File Extension	Music Publisher Score
MUS File Extension	Finale Notation File Format
MUSA File Extension	Aleph One Music File
MUSE File Extension	Adobe Muse Website Project
MUX File Extension	Trackmania Music File
MUZ File Extension	MUZ Audio File
MV File Extension	IRIX command compressed movie file
MVB File Extension	Multimedia Viewer Book Source File
MVC File Extension	MivaScript Compiled File
MVD File Extension	Movie Edit Pro Movie File
MVE File Extension	Infinity Engine Movie File
MVEX File Extension	Muvee autoProducer 6 Project File
MVI File Extension	AutoCAD Movie Command File
MVP File Extension	Movie Edit Pro Video Project File
MVR File Extension	IBM HotMedia Multimedia File
MVS File Extension	MusicMatch Jukebox visualization file
MVX File Extension	Multimedia Fusion Movement Extension
MVY File Extension	Video easy Project File
MV_ File Extension	Movie Edit Pro Movie Backup File
MW File Extension	Maple Worksheet
MWAND File Extension	GarageBand MagicMentor Template
MWB File Extension	MySQL Workbench Document
MWD File Extension	MarinerWrite Document
MWF File Extension	MapGuide Author Map Window File
MWLIC File Extension	MoneyWell License File
MWP File Extension	Lotus Word Pro SmartMaster File
MWS File Extension	Maple Classic Worksheet
MWX File Extension	MapGuide Author Map Window XML File
MX File Extension	Mathematica Serialized Package File
MX3 File Extension	Mixcraft 3 Audio Project
MX4 File Extension	Mixcraft 4 Audio Project
MX5 File Extension	Mixcraft 5 Audio Project
MX5TEMPLATE File Extension	Mixcraft 5 Audio Project Template
MXAD File Extension	Mandelbrot Explorer All Data File
MXADDON File Extension	Maxthon Add-On File
MXC2 File Extension	MAGIX Cache File
MXCS File Extension	Mandelbrot Explorer Color Scheme File
MXD File Extension	ArcGIS Map Document
MXDIC File Extension	Maxthon Dictionary File
MXE File Extension	Corel Quattro Pro startup macro file
MXF File Extension	Material Exchange Format File
MXFR File Extension	Mandelbrot Explorer Fractal Region File
MXG File Extension	Miinoto Exchangeable Group File
MXI File Extension	Adobe Dreamweaver Extension Manager file
MXL File Extension	Compressed MusicXML File
MXM File Extension	MixMeister BPM calculation file
MXMF File Extension	Mobile XMF Ringtone File
MXML File Extension	Flex MXML Component
MXN File Extension	Miinoto Exchangeable Note File
MXP File Extension	Adobe Extension Package
MXS File Extension	Maxwell Studio Scene File
MXSKIN File Extension	Maxthon Skin File
MXT File Extension	ArcGIS Map Template
MXV File Extension	MAGIX Video File
MYAPP File Extension	Visual Studio Application XML File
MYCOLORS File Extension	Stardock MyColors Theme File
MYD File Extension	MySQL Database Data File
MYDOCS File Extension	Send To My Documents
MYI File Extension	MySQL MyISAM Index File
MYL File Extension	MyLogo Maker Image
MYR File Extension	Myriad Music File
MYS File Extension	Vineyard Captured Video File
MZP File Extension	MAXScript Zip Package
MZZ File Extension	Microsoft .NET Download Package