The number of video formats supported by the 42PFT6309 is more than most televisions of a comparable type and age to it. This television supports an MKV video formats supported, which is the most frequently supported video formats supported supported by TVs of this spec and age. The video formats supporteds "AVC", "AVI", "H.264", "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.