The H24E4463 has a greater number of video formats than most televisions that have been around for more than a year. This TV supports an AVI video format, which is the most commonly supported video format supported by TVs that came out around the same time as the H24E4463. The video formats "MP4", "MPG" and "TS" are also supported by this TCL-Digital TV.
MP4 stands for Moving Pictures Expert Group 4.
AVI stands for Audio Video Interleave.