Although .dmg is a macOS disk format, there are a number reasons of why you'd want open them on Windows computers. Here's how to get started.

Neither 7-Zip nor DMG Extractor are the ultimate solution, though. There are some DMG files that 7-Zip, nor other alternatives that we've tried will open.

Even worse, it has been reported to Apple Computer and remains unfixed, and worst of all the default setting in Safari is set to open "safe" files—including .dmg files—upon download.

Here's a baffler: some readers have reported that when attempting to download certain .dmg files, mysterious .exe files are downloaded instead. MacFixIt reader Ira Altschiller writes: ...

Same for .dmg files. If I download them, I can only open them using Disk Utility. These problems are not present when I boot up. They only happen at some point later. A restart fixes the problem.

The subject really says it all - A friend of mine has system files stored as Mac .dmg disc image files, her Mac isn't playing ball and we need to get access. Not knowing anyone else with a Mac, I ...