To do this, you’ll need a conversion tool like AnyToISO, WinArchiver, or PowerISO. This allows you to mount it as normal using the ISO program of your choice. dmg file on your Windows computer, you’ll need to convert it into an ISO file. If you absolutely need to be able to access the contents of a. If 7-Zip struggles to extract your file, try right-clicking and using the Open Archive option. Open the folder 7-Zip created to browse the contents.Īlthough this won’t help you do much with the content within the drive, you can use 7-Zip to view the content within the disk image itself.Extract the file to a safe location and wait for it to complete.Right-click the DMG file in Windows Explorer and select Extract.Download and install 7-Zip or an alternative extractor.