The 49PUS7809 has a greater number of video formats than most TVs of a comparable type and age to it. This Philips TV supports an AVI video format, which is the most frequently supported video format supported by 4K and 8K TVs that were released around the same time as the 49PUS7809. The video formats "3GP", "H.264", "MKV", "MPEG1", "MPEG2", "MPEG4", "VC-1" and "WMV9" are also supported by this TV.
WMV stands for Windows Media Video.
AVI stands for Audio Video Interleave.
What does "video formats supported" mean?