Microsoft's AVI format is a mutimedia container format that can embed audio, video, images and caption in a single file. The AVI video format is commonly supported by many media players, including Windows Media Player, Videolan's VLC Media Player and YouTube. Apple's QuickTime Media Player supports playing the QuickTime Movie Format, MOV. To convert an AVI video format to a MOV video format, you need to download and install a video converter software, such as OJO Soft's Total Video Converter. It has an easy user interface to accomplish the task.