DMG is a Macintosh-exclusive disk image format. DMG files mount as a drive on a Macintosh, but there are no programs available to perform the same action on Windows because DMG files use the Apple HFS+ file system, which Windows cannot read. However, that does not mean DMG files are completely inaccessible on the Microsoft Windows platform. Software is available for Windows to open and extract the contents of DMG files. This is useful for extracting individual files, such as program documentation, contained within the DMG file.
- Skill level:
Things you need
- Disk Imaging software, such as PowerISO, ISOBuster or MagicISO
Download and install a Windows disc image management program, such as PowerISO, ISOBuster or MagicISO (see Resources). All three programs are available for a fee, but all three programs also have free trial versions.
Locate and open the desired Apple DMG image file. All three programs accomplish this by pressing "CTRL + O" from within the program, then locating the DMG file on your computer.
Extract the contents of the image file to the desired location. Choose the file(s) in the opened DMG image file and click "Extract To..." or drag the selected files to the desired extraction location, such as the Desktop. After the files are extracted, they become native to Windows and may be opened using Windows programs. For example, if a PDF file was extracted, it can now be opened in Windows with Adobe Reader.
Tips and warnings
- It is possible on a Macintosh computer to convert a DMG file to an ISO file, which will then potentially mount on Windows with a virtual drive emulation program such as DaemonTools. There is no native Windows software to mount DMG files.
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