The HD video repair tool fixes audio and video streams separately then adjoin them together to render a healthy playable AVI video. Remo Repair AVI is recommended software to fix unplayable AVI files on macOS Sierra. Then, How Do I Play an AVI File on My macOS Sierra? Solution 3: Try another AVI player for Mac: use other media players for playing your AVI files on Mac instead of QuickTime.īut, if your AVI file doesn’t play on any media player, then the only thing which is responsible for unusual behavior is video corruption. Solution 2: Convert AVI to QuickTime compatible video format using free video converter tool for Mac available online. Note: Perian works only on Mac OS X Snow Leopard or previous version.

So, install Perian on your Mac to play your AVI files using QuickTime player. It adds playback support for a wide range of video formats including AVI. Sometimes, the codec may conflict with other installed programs on your Mac.Īlso, try installing Perian. Be cautious while installing codec packs because you may download virus or malicious script while downloading codec packs. Solution 1: Download a QuickTime supported codec pack required for your QuickTime player to play your AVI files.

So, many AVI players for Mac including QuickTime player can't play all AVI files since they don’t possess all types of AVI codecs. Why AVI Files Won't Play on macOS Sierra?ĪVI is not just a video file type, in fact, AVI video file comes with several supported formats of codec like Xvid, DivX, MJPEG, MPEG-1, MPEG-3, MPEG-4, MPEG-H, MPEG-HD, etc. avi could not be opened' etc.Īlso, it is noticed that QuickTime won't play AVI videos on Mac after you upgrading to new Mac OS X like Sierra. Sometimes, you cannot play AVI videos on Mac using QuickTime player and each time when you try to open those AVI files, you come up with different error messages like ' File Format not supported', ' Not a valid AVI file', ' The. What should I do to play AVI files on macOS Sierra? Please help me.” After upgrading to Mac OS Sierra, I am unable to play those AVI files. “I have a few old AVI video files on my Mac.

How to open avi files in mac