These files are not concerned with any kind of app but These files are the Software files which are downloaded by the macOS from the internet to To distribute Package installers and virtual discs Drives in the macOS. What are the DMG files?įull form of the DMG files is ‘Disk Image Files’ and it is used in the macOS software. Follow these four simple methods to open your DMG files in the windows. the DMG files may contain some important document or data and user want to open it desperately but due to the lack of information and knowledge regarding it, they are unable to open it. Sometimes users have a face that they find a DMG file in the window system and don’t know how to open or view it. It happens much time that many users are having a Mac device with them and also they are using Windows operating system PC at the same time with them.