The 50PUS6809 has a greater number of video formats than most televisions of a similar spec and age to it. This Philips TV supports an AVI video format, which is the most commonly supported video format supported by 4K and 8K TVs that are a similar age to the 50PUS6809. The video formats "AVC", "H.264", "MKV", "MPEG1", "MPEG2", "MPEG4", "VC-1" and "WMV9" are also supported by this television.
WMV stands for Windows Media Video.
AVI stands for Audio Video Interleave.