http://www.hardwareanalysis.com/content/topic/17601/ tada Drizzit zegt: OGM is an extention for the OGG container adopted by Windows users to distinguish music (OGG) and video (OGM). Although not an official extention it is used by DivX and Xvid encoders that put video into the Ogg container. The codec is Ogg Vorbis Compressed Video File you need Ogg DirectShow Filters v0.9.9.5 to play it in windows!! Here is the link!! A good site for all you video and editing needs! http://www.afterdawn.com/software/video_software/codecs_and_filters/ogg_directshow.cfm OR http://tobias.everwicked.com/