.KRZ | Kurzweil Education | Fichiers audio | Kurzweil K2000 File | Kurzweil K2600 | Kurzweil Education |
.KSC | Korg | Fichiers audio | Korg Trinity/Triton Script File | Awave Studio | FMJ-Software |
.KSD | KeepSafe Software, Inc. | Fichiers audio | KeepSafe File | KeepSafe Private Photo Vault | KeepSafe Software, Inc. |
.KSF | Pandora Tv | Fichiers audio | KMPlayer Skin File | KMPlayer | Pandora Tv |
.KSM | Pfaff | Fichiers audio | Pfaff Embroidery Design File Format | Embroidermodder 2 | Open Source |
.KSS | FabTrol Systems | Fichiers audio | FabTrol MRP Template | FabTrol | FabTrol Systems |
.KT2 | Native Instruments | Fichiers audio | Battery 2 Drum Kit File | Native Instruments Kontakt | Native Instruments |
.KTP | Cakewalk, Inc. | Fichiers audio | Kinetic Project Template | Cakewalk SONAR | Cakewalk, Inc. |
.L | Johan Bontes | Fichiers audio | Game Of Life File | Life32 | Johan Bontes |
.LA | Open Source | Fichiers audio | Lossless Audio File | Nullsoft Winamp | Nullsoft |
.LA1 | LucasArts Entertainment Company, LLC | Fichiers audio | LucasArts Game Data File | The Curse of Monkey Island | LucasArts Entertainment Company, LLC |
.LAA | LucasArts Entertainment Company, LLC | Fichiers audio | LucasArts AdLib Audio File Format | Nullsoft Winamp | Nullsoft |
.LAM | NetScape | Fichiers audio | Netscape Media Player Streaming Audio Metafile | Netscape Navigator | NetScape |
.LDS | GNU Project | Fichiers audio | Binutils LD Linker Script | Microsoft Notepad | Microsoft Corporation |
.LID | Kodak | Fichiers audio | Kodak EasyShare Album File | Kodak EasyShare | Kodak |
.LMS | Light-O-Rama | Fichiers audio | Light-O-Rama Musical Sequence Format | Light-O-Rama | Light-O-Rama |
.LOF | Open Source | Fichiers audio | Audacity File List | Audacity | Open Source |
.LPCM | Microsoft Corporation | Fichiers audio | Movie Maker Audio | Microsoft Windows Live Movie Maker | Microsoft Corporation |
.LQT | Liquid Audio Inc | Fichiers audio | Liquid Audio File | Liquid Player | Liquid Audio Inc |
.LSO | Apple | Fichiers audio | Logic Audio Project | Apple Logic Pro | Apple |
.LVP | Avaya | Fichiers audio | Avaya Voice Player Audio File | Avaya Voice Player | Avaya |
.LWV | Microsoft Corporation | Fichiers audio | Linguistically Enhanced Sound File | Microsoft Agent | Microsoft Corporation |
.M | MathWorks | Fichiers audio | MATLAB Source Code File | Notepad++ | Don Ho |
.M1A | Open Source | Fichiers audio | MPEG-1 Audio File | Microsoft Windows Media Player | Microsoft Corporation |
.M2 | Unknown Developer | Fichiers audio | PC-98 Game Music File | FMPMD2000 | Unknown Developer |
.M22 | Farallon Computing | Fichiers audio | Farallon's MacRecorder Recording File | MacRecorder | Farallon Computing |
.M3A | BirdCage Software | Fichiers audio | Enhanced M3U Playlist | JukeBox Decoder | BirdCage Software |
.M3U | Nullsoft | Fichiers audio | Media Playlist File | Microsoft Windows Media Player | Microsoft Corporation |
.M3U8 | Various Developers | Fichiers audio | UTF-8 M3U Playlist File | Microsoft Windows Media Player | Microsoft Corporation |
.M3V | Unknown Developer | Fichiers audio | DJ Mix Pro Playlist | DJ Mix Pro | Unknown Developer |
.M4A | Apple | Fichiers audio | MPEG-4 Audio File | Microsoft Windows Media Player | Microsoft Corporation |
.M4B | Apple | Fichiers audio | MPEG-4 Audio Book File | Microsoft Windows Media Player | Microsoft Corporation |
.M4P | Apple | Fichiers audio | iTunes Music Store Audio File | Apple iTunes | Apple |
.M4R | Apple | Fichiers audio | iPhone Ringtone File | Apple iTunes | Apple |
.MA1 | Monarch Innovative Technologies Pvt. Ltd | Fichiers audio | Monarch Audio File | Monarch Digimix | Monarch Innovative Technologies Pvt. Ltd |
.MAP | id Software | Fichiers audio | Quake Engine Map File | Valve Hammer Editor | Valve |
.MBR | GNU Operating System | Fichiers audio | Master Boot Record File | GNU GRUB | GNU Operating System |
.MBU | Sony | Fichiers audio | Sony CAV-M1000ES Memory Backup File | Sony CAV-M1000ES | Sony |
.MDC | IBM | Fichiers audio | Multi Dimension Cube File | Cognos software | IBM |
.MDI | Microsoft Corporation | Fichiers audio | Microsoft Document Imaging File | Microsoft Office | Microsoft Corporation |
.MDL | MathWorks | Fichiers audio | MathWorks Simulink Model | Simulink | MathWorks |
.MDR | Olivier Lapicque | Fichiers audio | ModPlug Compressed Module | ModPlug Player | Open Source |
.MDX | Disc Soft Ltd. | Fichiers audio | Extended Media Descriptor File | DAEMON Tools | Disc Soft Ltd. |
.MED | Rockwell Automation Inc. | Fichiers audio | RSView Development Project Archive | Rockwell Automation RSView Studio or RSView ME | Rockwell Automation Inc. |
.MFB | Ensoniq | Fichiers audio | Ensoniq MR 76 Audio Fata | MR-76 | Ensoniq |
.MFF | Cakewalk, Inc. | Fichiers audio | Cakewalk MIDI Format | Cakewalk SONAR | Cakewalk, Inc. |
.MFK | Keiji Mafuka | Fichiers audio | Mafuka Audio File | Mafuka Player and Encoder | Keiji Mafuka |
.MG1 | Microsoft Corporation | Fichiers audio | MusiGenesis Project | Music Genesis | Microsoft Corporation |
.MG2 | PG Music Inc | Fichiers audio | Band-in-a-Box Song File | Band-in-a-Box | PG Music Inc |
.MGB | Nitro2k01 | Fichiers audio | Paragon5 Gameboy Tracker Audio | Paragon5 | Nitro2k01 |
.MGU | PG Music Inc | Fichiers audio | Band-in-a-Box MIDI Song | Band-in-a-Box | PG Music Inc |
.MID | Open Source | Fichiers audio | MIDI Audio File | Microsoft Windows Media Player | Microsoft Corporation |
.MIDI | Synthesia LLC | Fichiers audio | MIDI File | Microsoft Windows Media Player | Microsoft Corporation |
.MIF | Adobe Systems Incorporated | Fichiers audio | FrameMaker Interchange Format File | Adobe FrameMaker | Adobe Systems Incorporated |
.MINIPSF | Un4seen Developments | Fichiers audio | Miniature PlayStation Sound Format File | Nullsoft Winamp | Nullsoft |
.MINIUSF | Nintendo | Fichiers audio | Nintendo 64 Song File | Nullsoft Winamp | Nullsoft |
.MIX | Microsoft Corporation | Fichiers audio | Microsoft Image Exchange File | Microsoft Picture It! | Microsoft Corporation |
.MIZ | Nullsoft | Fichiers audio | Winamp Compressed Midi Audio | Nullsoft Winamp | Nullsoft |
.MJF | Unknown Developer | Fichiers audio | Mjuice MP3 Audio File | Nullsoft Winamp | Nullsoft |
.MKA | Matroska | Fichiers audio | Matroska Audio File | MPlayer | The MPlayer Team |
.MKF | Interscape | Fichiers audio | KaraBox Karaoke Music File | KaraBox | Interscape |
.MKW | Michael K. Weise | Fichiers audio | Compressed Audio File | mkwACT | Michael K. Weise |
.MLD | FMJ-Software | Fichiers audio | I-Melody Format For I-Mode | Awave Studio | FMJ-Software |
.MLP | Meridian Audio | Fichiers audio | Meridian Lossless Packing Audio File | MLP Professional Encoder Software | Meridian Audio |
.MMF | Microsoft Corporation | Fichiers audio | Microsoft Message File | Microsoft Exchange Server | Microsoft Corporation |
.MMM | Magix Software GmbH | Fichiers audio | Music Maker Arrangement File | MAGIX Music Maker | Magix Software GmbH |
.MMP | MixMeister Technology | Fichiers audio | MixMeister Studio Playlist | MixMeister Studio | MixMeister Technology |
.MO3 | Un4seen Developments | Fichiers audio | MO3 Audio File | XMMS | Open Source |
.MOD | Open Source | Fichiers audio | Amiga Music Module File | ModPlug Player | Open Source |
.MOGG | Unknown Developer | Fichiers audio | Multitrack Ogg File | Audacity | Open Source |
.MP1 | RealNetworks | Fichiers audio | MPEG-1 Layer 1 Audio File | Apple iTunes | Apple |
.MP2 | New World Computing | Fichiers audio | Heroes Of Might And Magic II Map File | Heroes of Might & Magic III | Ubisoft |
.MP3 | Moving Picture Experts Group | Fichiers audio | MP3 Audio File | Microsoft Windows Media Player | Microsoft Corporation |
.MPA | Unknown Developer | Fichiers audio | MPEG-2 Audio File | Microsoft Windows Media Player | Microsoft Corporation |
.MPC | Open Source | Fichiers audio | Musepack Compressed Audio File | VLC Media Player | VideoLAN |
.MPGA | RealNetworks | Fichiers audio | MPEG-1 Layer 3 Audio File | Microsoft Windows Media Player | Microsoft Corporation |
.MPR | Open Source | Fichiers audio | Bibexcel Data | BibExcel | Open Source |
.MPY | RCA | Fichiers audio | RCA Lyra MP3 Player File | MusicMatch Jukebox | Yahoo! |
.MPZ | Benetech | Fichiers audio | Miradi Project File | Miradi | Benetech |
.MP_ | Open Source | Fichiers audio | Mobile Phone Sound File | BitPim | Open Source |
.MRA | Unknown Developer | Fichiers audio | VilagRadio Recorded Radio Program | Unknown Software | Unknown Developer |
.MSA | Unknown Developer | Fichiers audio | Magic Shadow Archiver Atari Disk Image | Magic Shadow Archiver | Unknown Developer |
.MSCZ | Open Source | Fichiers audio | MuseScore Compressed Score File | MuseScore | Open Source |
.MSQ | Davidson & Associates, Inc. | Fichiers audio | Multimedia Workshop Audio File | Multimedia Workshop | Davidson & Associates, Inc. |
.MSV | Sony | Fichiers audio | Memory Stick Voice File | Microsoft Windows Media Player | Microsoft Corporation |
.MT2 | Yannick Delwiche | Fichiers audio | MadTracker 2 Module | Awave Studio | FMJ-Software |
.MT9 | Electronics and Telecommunications Research Institute | Fichiers audio | Music 2.0 Song | Unknown Software | Unknown Developer |
.MTE | Yannick Delwiche | Fichiers audio | MadTracker 2 Envelope | MadTracker 2 | Yannick Delwiche |
.MTF | Motorola | Fichiers audio | Motorola Theme File | Motorola MOTOCAST USB | Motorola |
.MTI | Yannick Delwiche | Fichiers audio | MadTracker Instrument | Awave Studio | FMJ-Software |
.MTK | Nullsoft | Fichiers audio | MPU-401 Trakker File | Adlib Tracker II | Adlib Tracker II |
.MTM | VideoLAN | Fichiers audio | MultiTracker Module | VLC Media Player | VideoLAN |
.MTP | Yannick Delwiche | Fichiers audio | MadTracker 2 Pattern | MadTracker 2 | Yannick Delwiche |
.MTS | Sony | Fichiers audio | AVCHD Video File | Microsoft Windows Media Player | Microsoft Corporation |
.MT_ | Passport Music | Fichiers audio | Encore Compressed Audio File | Encore | Passport Music |
.MUI | Myriad Software | Fichiers audio | Myriad User Instrument File | Myriad Harmony Assistant | Myriad Software |
.MUK | Unknown Developer | Fichiers audio | Multak Mini 8162 Encoded Audio Karaoke | Unknown Software | Unknown Developer |
.MUS | MakeMusic, Inc. | Fichiers audio | Finale Notation File | SmartMusic | MakeMusic, Inc. |
.MUSICXML | Michael Good | Fichiers audio | Compressed MusicXML File | MuseScore | Open Source |
.MUSX | MakeMusic, Inc. | Fichiers audio | Finale Notation File | SmartMusic | MakeMusic, Inc. |