The number of video formats supported by the 40PFH5500/88 is more than most TVs of this type and age. This TV supports an AVI video formats supported, which is the most commonly supported video formats supported supported by mid-size TVs that are a similar age to the 40PFH5500/88. The video formats supporteds "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.