The number of video formats supported by the KDL-42W807 is more than most comparable spec TVs that were released more than two years ago. The most commonly supported video format is H.264, but this video format is not supported by this Sony TV. The video formats AVCHD|AVI|M-JPEG|MKV|MOV|MP4|MPEG1|MPEG2|WEBM|WMV|XVID are also supported by this TV.
AVI stands for Audio Video Interleave.
MP4 stands for Moving Pictures Expert Group 4.
WMV stands for Windows Media Video.