The TCL-Digital U65S8806 has a greater number of video formats than most 4K and 8K TVs that were launched in the last year. This TV supports an MKV video formats supported, which is the most commonly supported video formats supported supported by TVs that have been around for a similar time to the U65S8806. The video formats supporteds "AVI", "MP4", "TS" and "WMV" are also supported by this television.
MP4 stands for Moving Pictures Expert Group 4.
WMV stands for Windows Media Video.
AVI stands for Audio Video Interleave.