Mac users and users of other Apple products often have problem with playing standard file formats such as xVid. The problem lies in Apple products limited support for video codec and wrappers. You can't directly play Xvid videos on Mac with native Quick Time. However. there're some solutions for this issue.
You can also use a universal media player along with the video converter such as VLC Player . The VLC player works seamlessly on Mac and allows conversion of various types of file formats such as xVid format files into formats of your choice. As with Perian, the VLC player is also limited in functionality because the converted files cannot be transferred to other Apple products for playback. Another drawback is you need to install Front Row in order to import the xVid files into the VLC player for conversion
One of the best solutions to video format problem on Mac is to use the iSkysoft video converter for Mac that’s fully compatible with Mac OS Mavericks, Snow Leopard, Mountain Lion and Lion.One of the best features about using the video converter is that you can convert xVid files to any format including MOV, MP4,M4V and other formats with totally original quality. After conversion of the xVid files into a optimum format, you can transfer the files to other Apple products such as iPad, iPod and iPhone for playback. Unlike other tools, iSkysoft video converter for Mac requires no downloading of any additional components or media player.
How to Play Xvid Files on Mac
Install and launch iSkysoft Video Converter for Mac；
Input your Xvid videos to program window；
Select output formats in the bottom of the window；
Convert and enjoy your Xvid videos.
Solution 3: Use Perian Plugin to Play Xvid Files with QuickTime (Mavericks and Mountain Lion excluded)
Additionally you can use a free QuickTime component such as Perian to play xVid format files on Mac. Compared to iSkysoft video converter for Mac, Perian comes with limitations of not being able to transfer the converted files into other Apple products. Other downsides of Perian include not being able to use this free QuickTime component on Mac OS Mountain Lion as use of the free QuickTime component requires installation of QuickTime 7 and this version is not available for Mac OS Mountain Lion.