You will see a dialog where you can enter a destination path for extracted files. If you want to extract part of the DMG archive or all of it click on “Extract” button in a toolbar. This will open DMG file contents and you will be able to see what is inside it.ħ-Zip will show file sizes, packed file sizes, created, modified and accessed dates for all files in DMG archive. You can also type a path to your file using an address bar at the top or select File->Open to open a file at specific location. In order to open your DMG file navigate to it using 7-Zip file navigation interface and click on the file name. That means when you open it you can navigate through all your disks and their contents using 7-Zip user interface. ħ-Zip application has functionality similar to one of file explorer. 7-Zip could be downloaded from while DMG Extractor is available from. There are two applications which have the most comprehensive support for DMG file format. In order to open DMG file on Windows you will need a special software which has support for this format. DMG format is a native Mac OS disk image format which is used to distribute installation packages within Mac OS. DMG files are not natively supported by Microsoft Windows OS.