What is disk image in Mac disk Utility?
A disk image is a compressed copy of the contents of a disk or folder. Disk images have . dmg at the end of their names. To see the contents of a disk image, you must first open the disk image so it appears on the desktop or in a Finder window.
Can you delete disk image Mac?
The quick answer is, yes, removing DMG files will not affect or damage your Mac or newly installed app.