Here is a list of some well-known formats that YouTube supports:Other than using a cam of yourself to upload to You Tube (as in filming yourself making a statement about some topic), what vid file formats does You Tube allow on uploads?
WebM files - Vp8 video codec and Vorbis Audio codecs
.MPEG4, 3GPP and MOV files - Typically supporting h264, mpeg4 video codecs, and AAC audio codec
.AVI - Many cameras output this format - typically the video codec is MJPEG and audio is PCM
.MPEGPS - Typically supporting MPEG2 video codec and MP2 audio
.WMV
.FLV - Adobe-FLV1 video codec, MP3 audio
Windows Movie Maker also has a forum for support.