It's the best Apple format files since it can't be tampered while it's also a unique Mac standardized file format certified by Apple. On the Mac OS, DMG file actually contains Mac OS installation files and software programs that can be used on macOS.
That's because DMG file is just a 'distribution' format that is natively used to distribute installation packages for Mac OS, Therefore, DMG file is not natively supported by Microsoft Windows OS, it was like the. dmg files on Windows computers, also you cannot view or extract anything in a DMG files. I believe that most Windows users have encountered such a problem that you cannot open.