This document discusses various video formats that can be used on YouTube. It provides information on common formats such as MOV, MP4, AVI, WMV, and Flash Video. It also covers newer high resolution formats like HEVC/H.265, ProRes, CineForm and DNxHR that allow for higher quality uploads to YouTube. WebM is mentioned as a royalty-free alternative to HTML5 video. Overall, the document gives an overview of both traditional and newer video file formats that are compatible with YouTube.