Watch AVI video on a Mac
You can watch many AVI movies without any additional software on a Mac just by playing them in the included QuickTime Player (located in the Applications folder). Just double click the file and it should work.
But what if it doesn’t? There are situations when AVI movies won’t play at all, and you might get an error message like the following:
“The document “movie.avi” could not be opened. The movie is not in a format that QuickTime Player understands.” Followed with some fine print “You may need to install additional software to open this type of file.”
There are also times when just the audio of an AVI doesn’t work and sometimes just the video won’t work, in these cases it’s likely because you need to get a particular codec on your Mac to watch the AVI file.
In any of these cases the best solution is to get the AVI to play on your Mac is to just download a free plugin for QuickTime Player called Perian. Perian covers many codecs and will almost certainly allow your AVI file to play in the Mac QuickTime Player.
* Quit out of QuickTime Player if it’s open
* Download and install Perian (it’s free)
* Launch the original AVI movie back into QuickTime Player
The video should now play trouble free within QuickTime Player. You could always convert the AVI to MOV as well but you’d still need to download Perian for that.
If you’re looking to play DIVX on a Mac, I would highly recommend using Perian as well, it’s really the best solution.