QuickTime Player can’t open some Matrox videos in AVI format? We have seen other users also encounter the same issue. Some Matrox AVI videos are encoded with special video codec like MMES, MMIF, other than the more common codecs for AVI files, such as Xvid, DIVX. Thus you may run into this incompatibility issue when trying to play or edit them using media players or converter like QuickTime Player, iMovie on Mac. Here we recommend this video converter which can help Mac users easily play or convert the Matrox AVI videos.
Download the free trial version of this media converter from previous linked page. Install it on your Mac. To use it to play Matrox AVI videos on Mac is easy. Launch the Video Converter from Launchpad on Mac, drag the AVI video(s) from Finder and drop them to the workspace of the media converter app. Mouse over the thumbnail of the video to show the play button. Simply click the Play button to play it.
Converting Matrox AVI videos to AVI with Xvid, DIVX or other video codec, or convert them to MP4 or other file formats is also extremely easy. Go to the upper right section of the converter, choose a target format, optionally customize the video codec or other parameter you like. Finally click the Convert button to transcode video. Once the conversion is complete, you can find the generated videos from the output folder of the converter program in Finder. You can then use the QuickTime Player or any other video players you have to play the Matrox AVI videos directly.