.srt - Movie subtitle file format (SubRip format)
.flv - Flash video file
.mp4 - MPEG-4 video file format
.m4v - MPEG-4 video file format
.m2ts - MPEG-2 stream (Blu-Ray)
.bup - Backup of DVD info file
.wmv - Windows Media Video
.mkv - Matroska video-audio multimedia file
file extension AWM - Animation Works Movie video file
File extension AWM description:
Probably old file extension or old video format.
