Other than the capability to open and play AVI format, this program also offers a ton of other functions: editing and cutting video and audio tracks, 4K video and higher support, compatibility with a wide range of video and audio formats for Windows and Mac. Professional Software to Open an AVI File Find out more information about popular formats such as an AI file.To edit files saved in AVI format, you can download Avidemux Sourceforge or Filmora Wondershare for free. With the help of these programs, you can easily open and view videos in AVI format. To play such files on Mac you can download and run: VLC Media Player, Movavi Media Player, or Elmedia Player. To open AVI files in Windows OS, you can use the following programs: VLC Media Player, KMPlayer, or AVS Media Player. Since AVI is almost as popular as the classic МР4 File format, people often ask the question: How to open AVI? This can be done easily as the format was created by the Microsoft team, so Windows has a plethora of built-in programs that can automatically play AVI format files. Discover what is the highest quality image format.