text: how to convert dat file to windows media video/audio file? any recommended program? thx very much you can use avs vidoe converter ( http://www.avsmedia.com/videoconverter/index.aspx ) or video convert master ( http://www.video-convert-master.com/ ) for free tools you can using super ( http://www.erightsoft.com/super.html )  for other tools on vido you can visit http://www.videohelp.com/tools