The number of video formats supported by the Panasonic TX-43CX750 is more than most televisions of a comparable age and spec to it. The most commonly supported video format is RMVB, but this video format is not supported by this television. The video formats 3GPP, AVCHD, AVI, FLV, M4V, MP4, TS, VOB and VRO are also supported by this TV.
AVI stands for Audio Video Interleave.
MP4 stands for Moving Pictures Expert Group 4.