If you have an ISO image on your Mac that has been archived using the RAR compression format, you need to use a utility to decompress the RAR file so you can use the ISO image. An ISO image is a file that is an exact copy of a CD-ROM or a DVD image – if you mount an ISO image on your Mac’s desktop, it functions as if it were an actual mounted disc. You can easily use a free utility to decompress an ISO image that has been compressed with the RAR format. Writer Bio
