What are Screeners' supported video formats? Follow Supported Video Extensions:.aaf, .avb, .avi, .divx, .f4v, .flv, .mts, .m2t, .m4v, .mkv, .mov, .mp4,.mpeg, .mpg, .mxf, .webm, .wmv Supported Video & Audio Codecs: Please click here for a list of supported codecs.