Youtube and Premiere file formats

Supported YouTube file formats

.MOV
.MPEG4 
.AVI
.WMV
.MPEGPS
.FLV
3GPP
WebM


Adobe Premiere Elements - Video file formats (export)

3GPP (.3gp, .3g2)
Adobe Flash (.flv), Adobe Flash Video (.f4v)
Audio Video Interleave (.avi) - Windows only
H.264 (.mp4) 
H.264-encoded QuickTime (.mov, .mp4)
MPEG-1 (.mpeg)
MPEG-2 (.mpg)
MPEG-2 Transport Stream (.m2t)
QuickTime (.mov)
Video Object (DVD video) (.vob)
Windows Media (.wmv)  - Windows only

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