No, a DMG file is downloaded from the website and stores software installer for Mac OS. This free software allows you to open and read DMG files on Windows. If you want to install the same software on your Windows, you need to download its Windows version.īut if you want to open a self-created DMG file on a Windows computer, you can use 7-Zip. In fact, you rarely need to open a DMG file on Windows because it is used to store the Mac-compatible software installer.
To open and read a DMG file on Windows, you need to use a third-party tool. The Mac DMG file is not compatible with Windows by default. If you fail to open the DMG file via double-clicking and see an error message like " No mountable file system", the file may be already corrupted. Then, the DMG file will be auto-mounted and opened up immediately. You just need to double-click your DMG file in Finder or other locations like the desktop. As the DMG files are usually downloaded from browsers, you can find them in the Downloads folder in your Finder by default. The Mac OS makes it's easy to open a DMG file. Therefore, a DMG file is always regarded as a virtual disk drive. Every time you open a DMG file, it will be auto-mounted and appear in Finder under the Locations tab, just like other physical disks. In addition, it will also show up in Disk Utility. You can copy the app from the DMG file to your Mac to finish installing. Most of the time, you only see the DMG files when you download a program or software from the Internet. After downloading, it mounts as a disk on your Mac.
What is a DMG file & what it is used for?ĭMG is a file format mainly used to store and distribute compressed software installers for Mac devices. If you want to get more details about the DMG file, please move on. What does it mean? That is called Apple Disk Image file or DMG file in short. When you open the Download folder in Finder, you see a file with the.