The number of video formats supported by the Philips 49PUS7909 is more than most TVs of this spec and age. This TV supports an AVI video format, which is the most frequently supported video format supported by 4K and 8K TVs that have been around for a comparable time to the 49PUS7909. The video formats "3GP", "AVC", "H.264", "MKV", "MPEG1", "MPEG2", "MPEG4", "VC-1" and "WMV9" are also supported by this Philips TV.
WMV stands for Windows Media Video.
AVI stands for Audio Video Interleave.