.M15 | Moving Picture Experts Group | Archivos de video | MPEG Video File | Microsoft Windows Media Player | Microsoft Corporation |
.M1A | Open Source | Archivos de audio | MPEG-1 Audio File | Microsoft Windows Media Player | Microsoft Corporation |
.M2A | Unknown Developer | Archivos de video | MPEG-1 Layer 2 Audio File | Microsoft Windows Media Player | Microsoft Corporation |
.M2P | Moving Picture Experts Group | Archivos de video | MPEG-2 Program Stream File | Microsoft Windows Media Player | Microsoft Corporation |
.M2S | Maxthon | Archivos de configuración | Maxthon 2 Browser Skin File | Microsoft Windows Media Player | Microsoft Corporation |
.M2T | Roxio | Archivos de video | HDV Video File | Microsoft Windows Media Player | Microsoft Corporation |
.M2TS | Sony | Archivos de video | Blu-ray BDAV Video File | Microsoft Windows Media Player | Microsoft Corporation |
.M3U | Nullsoft | Archivos de audio | Media Playlist File | Microsoft Windows Media Player | Microsoft Corporation |
.M3U8 | Various Developers | Archivos de audio | UTF-8 M3U Playlist File | Microsoft Windows Media Player | Microsoft Corporation |
.M4A | Apple | Archivos de audio | MPEG-4 Audio File | Microsoft Windows Media Player | Microsoft Corporation |
.M4B | Apple | Archivos de audio | MPEG-4 Audio Book File | Microsoft Windows Media Player | Microsoft Corporation |
.M4U | Open Source | Archivos de video | MPEG-4 Playlist | Microsoft Windows Media Player | Microsoft Corporation |
.M4V | Apple | Archivos de video | iTunes Video File | Microsoft Windows Media Player | Microsoft Corporation |
.M75 | Moving Picture Experts Group | Archivos de video | MPEG Video File | Microsoft Windows Media Player | Microsoft Corporation |
.MCL | Microsoft Corporation | Archivos de configuración | Windows Media Center Link File | Microsoft Windows Media Player | Microsoft Corporation |
.MID | Open Source | Archivos de audio | MIDI Audio File | Microsoft Windows Media Player | Microsoft Corporation |
.MIDI | Synthesia LLC | Archivos de audio | MIDI File | Microsoft Windows Media Player | Microsoft Corporation |
.MOB | Microsoft Corporation | Archivos de video | MOBTV Video File | Microsoft Windows Media Player | Microsoft Corporation |
.MOOV | Apple | Archivos de video | Apple QuickTime Movie | Microsoft Windows Media Player | Microsoft Corporation |
.MOV | Apple | Archivos de video | Apple QuickTime Movie | Microsoft Windows Media Player | Microsoft Corporation |
.MP2 | New World Computing | Archivos de juego | Heroes Of Might And Magic II Map File | Microsoft Windows Media Player | Microsoft Corporation |
.MP2V | Roxio | Archivos de video | MPEG-2 Video File | Microsoft Windows Media Player | Microsoft Corporation |
.MP3 | Moving Picture Experts Group | Archivos de audio | MP3 Audio File | Microsoft Windows Media Player | Microsoft Corporation |
.MP4 | Moving Picture Experts Group | Archivos de video | MPEG-4 Video File | Microsoft Windows Media Player | Microsoft Corporation |
.MP4V | Moving Picture Experts Group | Archivos de video | MPEG-4 Video File | Microsoft Windows Media Player | Microsoft Corporation |
.MPA | Unknown Developer | Archivos de audio | MPEG-2 Audio File | Microsoft Windows Media Player | Microsoft Corporation |
.MPE | Unknown Developer | Archivos de video | MPEG Movie | Microsoft Windows Media Player | Microsoft Corporation |
.MPEG | Unknown Developer | Archivos de video | MPEG Movie | Microsoft Windows Media Player | Microsoft Corporation |
.MPG | Moving Picture Experts Group | Archivos de video | MPEG Video File | Microsoft Windows Media Player | Microsoft Corporation |
.MPG4 | Moving Picture Experts Group | Archivos de video | MPEG-4 Video File | Microsoft Windows Media Player | Microsoft Corporation |
.MPGA | RealNetworks | Archivos de audio | MPEG-1 Layer 3 Audio File | Microsoft Windows Media Player | Microsoft Corporation |
.MPV | Moving Picture Experts Group | Archivos de video | MPEG Elementary Stream Video File | Microsoft Windows Media Player | Microsoft Corporation |
.MPV2 | Roxio | Archivos de video | MPEG-2 Video Stream | Microsoft Windows Media Player | Microsoft Corporation |
.MSV | Sony | Archivos de audio | Memory Stick Voice File | Microsoft Windows Media Player | Microsoft Corporation |
.MTS | Sony | Archivos de video | AVCHD Video File | Microsoft Windows Media Player | Microsoft Corporation |