.M2 | Unknown Developer | Fichiers de jeu | PC-98 Game Music File | FMPMD2000 | Unknown Developer |
.M3S | Ubisoft | Fichiers de jeu | Myst III Exile Saved Game | Myst III: Exile | Ubisoft |
.M4S | Ubisoft | Fichiers de jeu | Myst IV: Revelation Save Game File | Myst IV: Revelation | Ubisoft |
.M8 | Raven software | Fichiers de jeu | Heretic II MipMap Image File | Heretic II | Raven software |
.M8M | SourceForge | Fichiers de jeu | 8mam8 Game Data File | 8mam8 | SourceForge |
.MA | Autodesk, Inc. | Fichiers de jeu | Maya Project File | Autodesk Maya | Autodesk, Inc. |
.MA2 | Blizzard Entertainment Inc. | Fichiers de jeu | Diablo II Map File | Diablo II | Blizzard Entertainment Inc. |
.MAD | Electronic Arts | Fichiers de jeu | Electronic Arts Madcow Movie File | Media Player Classic | Open Source |
.MAE | Interscape | Fichiers de jeu | My Avatar Editor Character File | My Avatar Editor | Interscape |
.MAP | id Software | Fichiers de jeu | Quake Engine Map File | Valve Hammer Editor | Valve |
.MAPLET | Blitz Research | Fichiers de jeu | Maplet World File | Blitz Research Maplet | Blitz Research |
.MAS | Image Space Incorporated | Fichiers de jeu | rFactor Track File | Image Space rFactor | Image Space Incorporated |
.MAX | Autodesk, Inc. | Fichiers de jeu | 3ds Max Scene File | Autodesk 3ds Max | Autodesk, Inc. |
.MAZ | Microsoft Corporation | Fichiers de jeu | MAZ | Hover! | Microsoft Corporation |
.MB1 | Apogee Software, Ltd. | Fichiers de jeu | Monster Bash Game Data File | Monster Bash | Apogee Software, Ltd. |
.MCA | Mojang | Fichiers de jeu | Minecraft "Anvil" Map File | Minecraft | Mojang |
.MCLEVEL | Mojang | Fichiers de jeu | Minecraft Map File | Minecraft | Mojang |
.MCR | Mojang | Fichiers de jeu | Minecraft Region File | Minecraft | Mojang |
.MCWORLD | Smith Micro Software | Fichiers de jeu | Minecraft World Backup File | 7-Zip | Igor Pavlov |
.MD | Various Developers | Fichiers de jeu | Markdown Documentation File | Microsoft Notepad | Microsoft Corporation |
.MD2 | Alcohol Soft | Fichiers de jeu | Alcohol Disk Image Segment 2 | Alcohol 120% | Alcohol Soft |
.MD3 | id Software | Fichiers de jeu | Quake 3 3D Model | QuArK | QuArK Development Team |
.MDL | MathWorks | Fichiers de jeu | MathWorks Simulink Model | Simulink | MathWorks |
.MDM | Scientific Software International, Inc. | Fichiers de jeu | HLM Multivariate Data Matrix File | SSI HLM software | Scientific Software International, Inc. |
.MEG | Pennsylvania State University | Fichiers de jeu | MEGA Data File | MEGA | Pennsylvania State University |
.MEM | Microsoft Corporation | Fichiers de jeu | FoxPro Variable File | Microsoft Visual FoxPro | Microsoft Corporation |
.MENU | id Software | Fichiers de jeu | Quake 3 Engine Menu File | Microsoft Notepad | Microsoft Corporation |
.MF | Walt Disney Imagineering | Fichiers de jeu | Gameplay Multifile | Panda3D | Walt Disney Imagineering |
.MGL | Microsoft Corporation | Fichiers de jeu | Age Of Empires 2 Replay File | Microsoft Age of Empires | Ensemble Studios |
.MGX | Microsoft Corporation | Fichiers de jeu | Rise Of Nations Saved Game | Rise Of Nations | Big Huge Games |
.MGZ | KONAMI | Fichiers de jeu | Metal Gear Solid Archive File | Metal Gear Solid | KONAMI |
.MII | Nintendo | Fichiers de jeu | Wii Virtual Avatar File | My Avatar Editor | Interscape |
.MINE | Mojang | Fichiers de jeu | Minecraft Map File | Minecraft | Mojang |
.MIS | GarageGames | Fichiers de jeu | Marble Blast Gold Mission File | Delta Force | NovaLogic |
.MIX | Microsoft Corporation | Fichiers de jeu | Microsoft Image Exchange File | Microsoft Picture It! | Microsoft Corporation |
.MKR | Microsoft Corporation | Fichiers de jeu | Train Simulator Marker File | Microsoft Train Simulator | Kuju Entertainment |
.MLX | MathWorks | Fichiers de jeu | MATLAB Live Script | The MathWorks MATLAB | MathWorks |
.MM | Kodak | Fichiers de jeu | Kodak EasyShare Thumbnail Cache File | Kodak EasyShare | Kodak |
.MMR | Fuji Xerox | Fichiers de jeu | Fuji Xerox Fax Image | FaxSee Pro | SFaxTools |
.MMX | Interscape | Fichiers de jeu | Command And Conquer Game Data | Command and Conquer | Interscape |
.MN2 | Interplay Entertainment | Fichiers de jeu | Descent 2 Mission File | Interplay Descent 2 | Interplay Entertainment |
.MO | Dassault Systèmes | Fichiers de jeu | Dymola Simulation File | Dymola | Dassault Systèmes |
.MOB | Microsoft Corporation | Fichiers de jeu | MOBTV Video File | Microsoft Windows Media Player | Microsoft Corporation |
.MOD | Open Source | Fichiers de jeu | Amiga Music Module File | ModPlug Player | Open Source |
.MON | Mozilla | Fichiers de jeu | Firefox Monday Bookmark Backup File | Mozilla Firefox | Mozilla |
.MOR | Corel | Fichiers de jeu | Corel Shared Writing Tools Data | Corel Paradox | Corel |
.MOS | MamiyaLeaf | Fichiers de jeu | Leaf Camera RAW File | MacPhun ColorStrokes | Macphun |
.MP2 | New World Computing | Fichiers de jeu | Heroes Of Might And Magic II Map File | Heroes of Might & Magic III | Ubisoft |
.MP2M | Rockstar Games | Fichiers de jeu | Max Payne 2 Mod File | Rockstar Games Max Payne | Rockstar Games |
.MP2S | Rockstar Games | Fichiers de jeu | Max Payne 2 Saved Game | Rockstar Games Max Payne | Rockstar Games |
.MPK | ESRI | Fichiers de jeu | ArcGIS Map Package | ESRI ArcGIS for Desktop | ESRI (Environmental Systems Research Institute) |
.MPM | Rockstar Games | Fichiers de jeu | Max Payne Modification File | Rockstar Games Max Payne | Rockstar Games |
.MPN | Synergenix Interactive | Fichiers de jeu | Mophun Game File | Mophun | Synergenix Interactive |
.MPQ | Blizzard Entertainment Inc. | Fichiers de jeu | Blizzard Mo'PaQ File | MPQ Editor | Open Source |
.MPR | Open Source | Fichiers de jeu | Bibexcel Data | BibExcel | Open Source |
.MPS | IBM | Fichiers de jeu | Mathematical Programming System File | Vim | Bram Moolenaar |
.MPZ | Benetech | Fichiers de jeu | Miradi Project File | Miradi | Benetech |
.MQO | tetraface Inc. | Fichiers de jeu | Metasequoia Document | Metasequoia | tetraface Inc. |
.MRK | Microsoft Corporation | Fichiers de jeu | DPOF Auto Print Order File | Microsoft Notepad | Microsoft Corporation |
.MRS | MAIET Entertainment | Fichiers de jeu | GunZ Game Data File | MAIET Entertainment GunZ | MAIET Entertainment |
.MS1 | VirtualBus.info | Fichiers de jeu | VirtualBus Map File | VirtualBus | Open Source |
.MSG | Microsoft Corporation | Fichiers de jeu | Saved Email Message | Microsoft Outlook Express | Microsoft Corporation |
.MSH | Martin Schweiger | Fichiers de jeu | Orbiter 3D Mesh File | Orbiter | Martin Schweiger |
.MSN | Microsoft Corporation | Fichiers de jeu | Host Blocking File | Microsoft Windows | Microsoft Corporation |
.MSX | Microsoft Corporation | Fichiers de jeu | Age Of Empires II Saved Game | Microsoft Age of Empires | Ensemble Studios |
.MT | Simtex Studios Inc. | Fichiers de jeu | 1830 Railroads And Robber Barons Game Data | 1830: Railroads & Robber Barons | Simtex Studios Inc. |
.MTR | Knife Edge Software | Fichiers de jeu | RealFight Radio Control File | RealFlight | Knife Edge Software |
.MTV | MyMPX.org | Fichiers de jeu | MTV Video Format File | ShedWorx Smart Converter | Shedworx |
.MUL | OriginLab | Fichiers de jeu | Ultima Online Multi File | MULTool | Interscape |
.MUS | MakeMusic, Inc. | Fichiers de jeu | Finale Notation File | SmartMusic | MakeMusic, Inc. |
.MW0 | Nintendo | Fichiers de jeu | Super Mario World File | Super Mario World | Nintendo |
.MW4 | Activision | Fichiers de jeu | MechWarrior Game Structure File Archive | MechWarrior 2: Mercenaries | Activision |
.MWM | Keen Software House | Fichiers de jeu | Space Engineers Model | Space Engineers | Keen Software House |
.MYS | Vineyard Technologies | Fichiers de jeu | Vineyard Captured Video File | Vineyard Technologies PC Viewer | Vineyard Technologies |
.MYT | Burkhard Renk | Fichiers de jeu | AI Aircraft Traffic Database File | MyTraffic X | Burkhard Renk |