| .jnr |
JoinNet Recording File |
| .kdenlive |
Kdenlive Project File |
| .k3g |
3GP Mobile Phone Video File |
| .ktn |
KTooN Animation Project File |
| .kmv |
Mobile DJ Video File |
| .mp4 |
MPEG-4 Part 14 file |
| .mpg |
MPEG Video File |
| .mov |
Apple QuickTime Movie File |
| .m4v |
iTunes Video File |
| .mpeg |
MPEG Movie |
| .mod |
Amiga Music Module File |
| .mkv |
Matroska Video File |
| .mts |
AVCHD Video File |
| .mxf |
Material Exchange Format File |
| .moi |
MOI Video File |
| .m2p |
MPEG-2 Program Stream File |
| .m2v |
MPEG-2 Video |
| .mswmm |
Windows Movie Maker Project |
| .mjp |
MJPEG Video File |
| .m21 |
AXMEDIS MPEG-21 File |
| .mp21 |
AXMEDIS MPEG-21 Object |
| .mqv |
Sony Movie Format File |
| .m1pg |
iFinish Video Clip |
| .m2ts |
Blu-ray BDAV Video File |