What is DMG File Extension?


The file extension is widely used on MAC systems because it helps to install any app on MAC. DMG files are developed and maintained by the tech giant Apple Inc. They are Mac-formatted Disk Image files associated with Macintosh OS X. It is capable to hold all types of files. Users face problems to open DMG files on Windows OS.


It falls in the category of Disk Image file. It is considered a replica of a disk.

Supported Apps

It supports all the available versions of DiskUtility.App


The tech giant owns and maintains the DMG file format.



This is the only MIME Type.

File Signature

78 01 73 0D 62 62 60

How to View the DMG File Extension

A DMG file may support the Apple version programs.