The number of video formats supported by the U55S7906 is more than most 4K and 8K TVs that are a similar age to it. This TCL television supports an MKV video formats supported, which is the most frequently supported video formats supported supported by TVs that are a similar age to the U55S7906. The video formats supporteds "AVI", "MP4", "MPG", "TS" and "WMV" are also supported by this TV.
MP4 stands for Moving Pictures Expert Group 4.
WMV stands for Windows Media Video.
AVI stands for Audio Video Interleave.