We know how to play RMVB files for Windows, but how to play RMVB files on Mac? Neither QuickTime or iTunes plays RMVB files.
Files using this format have the file extension '.rmvb'.
As opposed to the more common RealMedia container, which holds streaming media encoded at a constant bit rate, RMVB is typically used for multimedia content stored locally. RealMedia Variable Bitrate (RMVB) is a variable bitrate extension of the RealMedia multimedia container format developed by RealNetworks.