Video file formats/codecs
3GPP (3rd Generation Partnership Project, .3gp)
AVI (Audio Video Interleaved, .avi)
Flash Video (.flv, .f4v, .f4p, .f4a, .f4b)
MKV (Matroska Multimedia Container, .mkv .mk3d .mka .mks)
MP4 (MPEG-4 Part 14, .mp4, .m4a, .m4p, .m4b, .m4r, .m4v)
WebM
WMV (Windows Media Video, .wmv)