Here's what you need to do:. In fact, there is a faster and easier way to deal with DMG files on Mac. You can use it not only to find and delete unused DMG files but also to clean up other junk files in macOS, apps and browsers, as well as Uninstall Apps you don't use.
Both of the ways mentioned above can help you quickly remove useless DMG files from your Mac. If you want don't want to spend time dealing with the search yourself, then BuhoCleaner is your ideal choice. It can also help you free up 4x more space for your Mac. Give it a try now. It's free to download. Nevertheless, the Mac method of installing software is actually quite simple and intuitive once you are accustomed to it. DMG stands for Disk Image , and is a format commonly used to distribute files and applications among Apple computers.
A DMG file is like one of these devices in that it serves as a means to encapsulate documents, images, software, and other files.
The difference is that with a DMG, there is no physical storage medium. In order to work with the contents of a DMG file, you must mount the the disk image to your system. The operating system will load the load image and place a new icon both on your desktop, and in the sidebar of the Finder. On a Windows PC you run an installer, tick off a few checkboxes, and wait for the progress meter to reach completion. Alright, that was the abridged version. Since most of the time a new Finder window also pops up when the image is ready for use, this one is now sitting on my desktop:.
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By using our site, you agree to our cookie policy. Cookie Settings. Learn why people trust wikiHow. Download Article Explore this Article Steps. Tips and Warnings. Related Articles. Article Summary. This will cause your Mac to attempt to open it, resulting in a pop-up message that says "[Name] can't be opened because it was not downloaded from the App Store.
Since DMG files are typically downloaded, you'll usually find them in the "Downloads" folder in the Finder. Click OK when prompted. Doing so closes the window. Click System Preferences. It's near the top of the drop-down menu. Doing so opens the System Preferences window. It's near the top of the System Preferences window. Click the lock icon. You'll find this in the bottom-left corner of the window.
Doing so prompts a pop-up window. Enter your password, then click Unlock. Do this in the pop-up window. Entering your password will allow you to edit items on this page.
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