The Philips 55HFL5010 has a greater number of video formats than most televisions that are a comparable age to it. This TV supports an AVI video formats supported, which is the most commonly supported video formats supported supported by comparable spec TVs that are a similar age to the 55HFL5010. The video formats supporteds "AVC", "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.