The Philips 50PFK6550/12 has a greater number of video formats than most large TVs that have been available for around the same time as it. This television supports an AVI video formats supported, which is the most commonly supported video formats supported supported by televisions of this age and type. 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.