.M | MathWorks | Udviklerfiler | MATLAB Source Code File | Notepad++ | Don Ho |
.M1S | Newfangled Solutions | Udviklerfiler | Mach3 Macro | Mach3 | Newfangled Solutions |
.M4 | Open Source | Udviklerfiler | Macro Processor Library | MacroMates TextMate | MacroMates |
.M4X | INRIA | Udviklerfiler | SynDEx Executive Macro | SynDEx | INRIA |
.M68 | Embarcadero Technologies | Udviklerfiler | Turbo Pascal DOS File | Turbo Pascal | Embarcadero Technologies |
.MA3 | Software Publishing Corporation (SPC) | Udviklerfiler | Harvard Graphics Macro | Harvard Graphics Presentation Software | Software Publishing Corporation (SPC) |
.MAB | Mozilla | Udviklerfiler | Mozilla Address Book | Apache OpenOffice | Apache Software Foundation |
.MAC | Apple | Udviklerfiler | MacPaint Image | Apple QuickTime Player | Apple |
.MAK | Sublime HQ Pty Ltd | Udviklerfiler | Makefile | Microsoft Visual Studio | Microsoft Corporation |
.MAKEFILE | Sublime HQ Pty Ltd | Udviklerfiler | Makefile | Microsoft Visual Studio | Microsoft Corporation |
.MAP | id Software | Udviklerfiler | Quake Engine Map File | Valve Hammer Editor | Valve |
.MARKDOWN | Various Developers | Udviklerfiler | Markdown Documentation File | Microsoft Notepad | Microsoft Corporation |
.MCP | Freescale | Udviklerfiler | CodeWarrior Project | CodeWarrior | NXP |
.MD | Various Developers | Udviklerfiler | Markdown Documentation File | Microsoft Notepad | Microsoft Corporation |
.ME | Unknown Developer | Udviklerfiler | Temporary Delete Me File | Unknown Software | Unknown Developer |
.MEC | Hitachi Industrial Equipment Systems | Udviklerfiler | Ladder Editor Memo Comment | Ladder Editor for Windows | Hitachi Industrial Equipment Systems |
.MED | Rockwell Automation Inc. | Udviklerfiler | RSView Development Project Archive | Rockwell Automation RSView Studio or RSView ME | Rockwell Automation Inc. |
.MEM | Microsoft Corporation | Udviklerfiler | FoxPro Variable File | Microsoft Visual FoxPro | Microsoft Corporation |
.MER | Rockwell Automation Inc. | Udviklerfiler | RSView Development Runtime File | Rockwell Automation RSView Studio or RSView ME | Rockwell Automation Inc. |
.MF | Walt Disney Imagineering | Udviklerfiler | Gameplay Multifile | Panda3D | Walt Disney Imagineering |
.MFA | Clickteam | Udviklerfiler | Multimedia Fusion Development File | Multimedia Fusion | Interscape |
.MFCRIBBON-MS | Microsoft Corporation | Udviklerfiler | MFC Ribbon Definition XML File | Microsoft Visual Studio | Microsoft Corporation |
.MFW | MamiyaLeaf | Udviklerfiler | Mamiya Camera Raw File | Adobe Photoshop CC | Adobe Systems Incorporated |
.MINGW | Open Source | Udviklerfiler | MinGW Make File | MinGW | Open Source |
.MIX | Microsoft Corporation | Udviklerfiler | Microsoft Image Exchange File | Microsoft Picture It! | Microsoft Corporation |
.ML | Robin Milner | Udviklerfiler | ML Source Code File | Notepad++ | Don Ho |
.MLB | Avanquest Software | Udviklerfiler | MyLabel Designer Deluxe Project File | MyLabel Designer Deluxe | Avanquest Software |
.MLS | KIDASA Software, Inc. | Udviklerfiler | Milestones Simplicity File | Milestones Professional | KIDASA Software, Inc. |
.MM | Kodak | Udviklerfiler | Kodak EasyShare Thumbnail Cache File | Kodak EasyShare | Kodak |
.MMB | Mediachance | Udviklerfiler | MultiMedia Builder Data | MediaChance Multimedia Builder | Mediachance |
.MND | Autodesk, Inc. | Udviklerfiler | AutoCAD Menu Compiler File | Autodesk AutoCAD | Autodesk, Inc. |
.MO | Dassault Systèmes | Udviklerfiler | Dymola Simulation File | Dymola | Dassault Systèmes |
.MOC | Boris FX | Udviklerfiler | MOCHA Java Script | Mocha | Boris FX |
.MOD | Open Source | Udviklerfiler | Amiga Music Module File | ModPlug Player | Open Source |
.MODS | Mozilla | Udviklerfiler | Mozilla XULRunner File | Mozilla Firefox | Mozilla |
.MOM | Apple | Udviklerfiler | Managed Object Model | Apple Xcode | Apple |
.MPM | Rockstar Games | Udviklerfiler | Max Payne Modification File | Rockstar Games Max Payne | Rockstar Games |
.MPR | Open Source | Udviklerfiler | Bibexcel Data | BibExcel | Open Source |
.MQ4 | MetaQuotes Software Corp | Udviklerfiler | MQL4 Source Code File | MetaTrader 4 | MetaQuotes Software Corp |
.MRL | Sublime HQ Pty Ltd | Udviklerfiler | Multimedia Retrival Markup Language Data | Sublime Text | Sublime HQ Pty Ltd |
.MRS | MAIET Entertainment | Udviklerfiler | GunZ Game Data File | MAIET Entertainment GunZ | MAIET Entertainment |
.MRT | Stimulsoft | Udviklerfiler | Stimulsoft Report File | Stimulsoft Reports.Ultimate | Stimulsoft |
.MSCR | Kaleida Ltd | Udviklerfiler | ServiceMon Script | ServiceMon | Kaleida Ltd |
.MSH | Martin Schweiger | Udviklerfiler | Orbiter 3D Mesh File | Orbiter | Martin Schweiger |
.MSH1 | Microsoft Corporation | Udviklerfiler | Microsoft Shell Script File | Microsoft Windows Shell | Microsoft Corporation |
.MSH2 | Microsoft Corporation | Udviklerfiler | Microsoft Shell Script File | Microsoft Windows Shell | Microsoft Corporation |
.MSH2XML | Microsoft Corporation | Udviklerfiler | Windows PowerShell Script File | Microsoft Windows PowerShell | Microsoft Corporation |
.MSHXML | Microsoft Corporation | Udviklerfiler | Windows PowerShell Script File | Microsoft Windows PowerShell | Microsoft Corporation |
.MSL | Microsoft Corporation | Udviklerfiler | Mapping Specification Language File | Microsoft Notepad | Microsoft Corporation |
.MSP | Microsoft Corporation | Udviklerfiler | Windows Installer Patch | Windows Installer | Microsoft Corporation |
.MSS | Xilinx, Inc. | Udviklerfiler | Microprocessor Software Specification File | Xilinx Platform Studio (XPS) | Xilinx, Inc. |
.MV | Miva | Udviklerfiler | MivaScript File | Miva Merchant Script Compiler | Miva |
.MVX | Clickteam | Udviklerfiler | Multimedia Fusion Movement Extension | Clickteam Fusion 2.5 | Clickteam |
.MWP | IBM | Udviklerfiler | Lotus Word Pro SmartMaster File | IBM Lotus Word Pro | IBM |
.MXML | Adobe Systems Incorporated | Udviklerfiler | Flex MXML Component | Notepad++ | Don Ho |