The 40PFH4200 has a greater number of video formats than most TVs of a comparable age and spec to it. This television supports an AVI video formats supported, which is the most commonly supported video formats supported supported by mid-size TVs that came out more than a year ago. The video formats supporteds "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.