The number of video formats supported by the 42PFH5209 is more than most mid-size TVs that have been around for a comparable time to it. This TV supports an MKV video formats supported, which is the most commonly supported video formats supported supported by TVs of a similar type and age to the 42PFH5209. The video formats supporteds "AVC", "AVI", "H.264", "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.