The Philips 58PUS6809 has a greater number of video formats than most televisions of a comparable spec and age to it. 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 more than two years. The video formats "AVC", "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.