The TCL-Digital U55S8806 has a greater number of video formats than most 4K and 8K TVs that have been available for around the same time as it. The most commonly supported video format is H.265, but this video format is not supported by this TCL-Digital TV. The video formats AVI, MKV, 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.