It is very similar to ISO files in windows, or rather a counterpart of ISO files. DMG files are actually Mac OS disk image files. But before proceeding with the ways to open or view a DMG file, it is better if we have a thorough knowledge of what a DMG file exactly is. Though the installation files or compressed files it contains will not be compatible with your windows PC, yet there are some ways you can check out what it withholds. If you are an avid Mac user using a Windows PC, and suddenly find a DMG file in your windows system, you would definitely want to open it up to see what it contains.
