| irf | CCTV DVR Video |
| ismclip | iStopMotion Animation Clip |
| ismt | IIS Smooth Streaming Text Stream |
| ismv | IIS Smooth Streaming Video |
| iv8 | IndigoVision 8000 Video |
| iva | Surveillance Video |
| ivf | Indeo Video File |
| ivr | Internet Video Recording Stream |
| jdr | IROAD Dash Cam Video |
| jmm | JVC Multimedia File |
| jmv | Jnes Recorded Video |
| jnr | JoinNet Recording Data |
| jpf | Sony Network Camera JPEG Video |
| jpv | IVC Video File |
| js | JACOSub Script |
| jss | JACOSub Subtitle File |
| jts | Cyberlink PowerDirector AVCHD Video |
| jtv | JRiver Recorded TV |
| jvt | JRiver Media Center Recorded Video |
| k3g | Mobile Video |
| kava | Autopano Video Pro Video |
| kmv | Sansui Mobile DJ Video |
| kux | Youku KUX Video |
| kvf | Keg Video File |
| l3 | L3 Media File |
| lcf | LICEcap Screen Capture Data |
| lhn | Vosub Encrypted Subtitle Data |
| lmv | LEGO CAD Movie |
| LiveSwif Movie |
| lrv | GoPro Low Resolution Video |
| lsf | Streaming Media Format Video |
| lsx | Streaming Media Shortcut |
| ltv | Altitude Express Video |
| lza | Lempel-Ziv-Oberhumer Compressed Animation |
| m00 | Magic Lantern RAW Video |
| m01 | Magic Lantern RAW Video |
| m02 | Magic Lantern RAW Video |
| m03 | Magic Lantern RAW Video |
| m04 | Magic Lantern RAW Video |
| m05 | Magic Lantern RAW Video |
| m1pg | Media 100 iFinish Video Clip |
| m1v | Mpeg Video |
| m2p | Mpeg-2 Program Stream |
| m2ps | Mpeg-2 Program Stream |
| m2t | MPEG-2 Transport Stream |
| Sony AVCHD Video |
| m2ts | Sony AVCHD Video |
| m2v | Mpeg Video |
| m4f | Sony Network Camera MPEG-4 Video |
| m4s | GPAC MP4Box MP4 Video Segment |
| m4u | M4U Playlist File |
| m4v | iTunes M4V Video |
| m65 | REI Camera System Video |
| m75 | MPEG Video |
| map | HD DVD Advanced Content Time Map |
| matroska | Matroska Video |
| mbr | Zune Smooth Streaming File |
| mcam | MediaCam Video |
| mcc | MacCaption Closed Caption File |
| mcmovie | MadCap Mimic Movie |
| mcmv | MadCap Mimic Movie |
| mgv | Sony PSP Video |
| mimov | MadCap Mimic Movie |
| mj2 | Motion JPEG 2000 Video |
| mjp | MJPEG Video |
| mjp2 | Motion JPEG 2000 Video |
| mjpeg | MJPEG Video |
| mjpg | MJPEG Video |
| mk3d | Matroska Stereoscopic/3D Video |
| mks | Matroska Subtitle |
| mkv | Matroska Video |
| mkv3d | Matroska Stereoscopic/3D Video |
| ml20 | Mercury Messenger for Mac Video |
| MSN Webcam Recorder Video |
| mlv | Magic Lantern RAW Video |
| mmv | Sony MicroMV Video |
| mod | HDD Camcorder Video Data |
| JVC Everio Video |
| modd | Sony AVCHD Metadata |
| moff | Sony AVCHD Index |
| moi | HDD Camcorder Time-Stamp Data |
| moov | QuickTime Movie |
| mov | QuickTime Movie |
| movie | QuickTime Movie |
| SGI Movie |
| mp2p | Mpeg 2 Stream |
| mp2t | MPEG-2 Transport Stream |
| mp2v | Mpeg Video |
| mp4 | Mpeg-4 Video Container |
| mp41 | Microsoft MPEG-4 v1 Video |
| mp4s | Mpeg-4 Video Container |
| mp4v | Mpeg-4 Video Container |
| mpb | TruVideo Video-only Stream |
| mpe | Mpeg Video |
| mpeg | Mpeg Video |
| mpeg-4 | Mpeg-4 Video Container |
| mpeg-ps | MPEG Program Stream Data |
| mpeg1 | Mpeg Video |
| mpeg2 | Mpeg Video |
| mpeg4 | Mpeg-4 Video Container |
