The number of video formats supported by the 49HGW69 is more than most 4K and 8K TVs that are a similar age to it. This television supports an MKV video formats supported, which is the most commonly supported video formats supported supported by similar spec TVs that came out in the last 12 months. The video formats supporteds "3GP", "ASF", "AVI", "DAT", "FLV", "MOV", "MP4", "MPEG", "MPG", "VOB" 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.