The problem is most native Mac applications don”t understand what to do with it and there”s no indication Apple is supporting the specific XviD/DivX codec (encoding/decoding) used by those AVI. XviD is a video codec that usually wrapped in AVI container, which is ubiquitous for standard definition video content on the Internet.
DivX codec – Installing DivX codecs for QuickTime player is a must to make sure users will be able to. Add a pack of codecs to your Final Cut Pro X, Motion 5, or Compressor 4. Xvid codec free download – AC3 Codec, CODEC, PS3 Media Server, and many more programs. Then you need to download and install the delegate component available for your Mac OS version: XviD codec for Mac OS X (5KB) XviD codec for Mac OS 8/9 (3KB). The XviD codec isn”t yet available for the Mac, so to play XviD videos on your Mac you first need to install QuickTime and the DivX codec.