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. Hardware acceleration is by default enabled to boost conversion speed by maintaining high quality.īesides converting AVI to Mac, MacX Video Converter Pro has many other features you'll love.“I have a few old AVI video files on my Mac. Step 4: Click 'RUN' to start converting AVI for Mac. Step 3: Click 'Browse' button to choose a destination folder to save converted AVI files. All Macs on High Sierra and later support HEVC playback. And, hit 'Done'.īesides H.264 and MPEG4 video codec, it also supports converting AVI video to HEVC/H.265 codec which can release more space for your Mac's hard drive. On the Output Profile panel, you can scroll down to 'Mac General Video' and choose 'MP4 Video (H264)', 'MP4 Video (MPEG4)', 'MOV Video (H264)', or locate to 'Apple Device' to choose 'QuickTime Video'. Step 2: Select an Mac compatible output format. Step 1: Click '+ Video' button to load the AVI file you want to convert for playback on Mac. To begin with, free download the AVI video converter on your MacBook Pro, MacBook Air, iMac, Mac mini, or Mac Pro. Download for Mac Download for PC How to Convert AVI from DivX/XviD to Mac QuickTime

Program to open avi files on mac