The number of video formats supported by the TX-40CSW614 is more than most TVs of a similar age and type to it. This Panasonic TV supports an AVI video formats supported, which is the most commonly supported video formats supported supported by similar spec TVs that are a comparable age to the TX-40CSW614. The video formats supporteds "3GPP", "FLV", "M4V", "MKV", "MP4", "TS", "VOB", "VRO" and "WMV" are also supported by this TV.
MP4 stands for Moving Pictures Expert Group 4.
WMV stands for Windows Media Video.
AVI stands for Audio Video Interleave.