DMG Files on Mac OS

Information, tips and instructions

DMG Files on Mac OS

In Mac OS file extension DMG is often referred as Apple Disk Image and is used to refer to files which store disk images. DMG files could be mounted as a volume in Finder. Currently DMG files on Mac OS are used to distribute software packages.

When software package in DMG file is opened it instructs Mac OS Finder to change its window in a way it is easy for user to copy application to the right folder. Finder window shows source application folder and the destination folder. All that user has to do is to drag and drop application folder to the destination folder. This will install an app.

Below are steps you need to take to install an application from DMG file:

  • Double click the DMG file. This will make its contents available in Finder.
  • Drag the application from the DMG window into Applications. This will initiate installation process.
  • Wait until the copy process is finished
  • Eject the DMG file (click Eject button on the Finder Sidebar)
  • Delete the DMG file

Similar file extensions

    • IMG file - Disk Image Format for Windows
    • ISO file - Image File Format

Get more information about how to open DMG file.

If you are not able to open file with certain file extension make sure to check if extension for the file is correct. It is possible that information in the file doesn't match file extension.


More Articles about opening DMG files:

Open DMG File - Information about file extension DMG?

DMG files on Mac OS - How to use them?

What are file extensions? - Read more about file extensions

Dangerous Extensions - Protect you computer from viruses - dangerous file extensions

How to Open File Extension - Learn how to open file extensions that you don't know

Extension Details
  Apple Disk Image
Opens with

See also  Open HEIC file
and layout php bug fix should be here Open MP4 file

           Copyright © DMG Files on Mac OS 2008