Now let’s look for old installers on your Mac and I’ll show how to delete DMG files This program is notarized by Apple and has a free version you can download. This handy feature locates unused DMG files all across your Mac, even those you downloaded years ago. They have a really awesome feature called System Junk. The only Mac cleaning app I know of that can search for this type of junk is MacPaw’s CleanMyMac X. So another way to find and delete DMG files is to use a special app. Let’s be fair: DMG are a huge waste of space. Open Finder Window and search for the DMG file.ĭon't forget to empty your Trash afterward. If you're having trouble removing a DMG file, you need to make sure you have ejected it first here's how: Once you've successfully installed your app, you no longer need the DMG file removing it will not cause any issues, and storage capacity is everything, right? Once a DMG file is opened, it places or mounts a virtual drive onto your desktop for installation, a bit like an external hard drive, or USB connected to your Mac Is it safe to delete DMG files after software installation?

DMG files are popular because they include Checksum, which confirms that the downloaded file is 100% intact (not tampered with) plus they can be compressed, reducing installer size.

Today most Mac applications are built and distributed as PKG or DMG files. Mac Help Desk Mac tips Can I delete DMG files after installing?Īre you wondering, can you delete DMG files after installing a new app? The quick answer is, yes, removing DMG files will not affect or damage your Mac or newly installed app.

Mac disk image file