The number of video formats supported by the LTDN40K321 is more than most 4K and 8K TVs that were released more than a year ago. This television supports an AVI video format, which is the most commonly supported video format supported by 4K and 8K TVs that have been around for around the same time as the LTDN40K321. The video formats "3GP", "ASF", "FLV", "H.265", "MKV", "MOV", "MPEG", "MPG", "VOB" and "WMV" are also supported by this TV.
WMV stands for Windows Media Video.
AVI stands for Audio Video Interleave.