DMGfile extension

Apple Disk Image

Have trouble opening the .dmg extension? Don't panic! This page explains dmg files and suggests programs you may use to open dmg files. You can download these programs through this page!


What is DMG file?

A DMG file is a mounted disk image used to distribute software for macOS.

Additional data

DMG format is considered one of several file types software developers use to enable the distribution of macOS applications. Other variants include .APP files which are compressed into .ZIP or .PKG.

DMG is a standard format because it maintains disk image integrity through checksums. Opening a DMG file starts installing the DiskImageMounter utility, which is part of macOS. This process will be helpful for developers and users to make sure that the installation is correct.


How to open DMG file?

Here are some universal methods of opening a file. Please, use this list of solutions.

Method 1: Correctly fix file association error

By following these steps, the user will be able to fix the dmg extension association problem in an instant automatically:

Step 1: Click the "Download Solution" button to download the automatic tool from Appsitory.

Step 2: Now click "Start Scan" to find out all potential problems.

Step 3: Review the resulting scan and click the "Fix Items" option.

Method 2: Download apps that open the dmg file

Here is a list of the presented programs that you should use to open/convert the dmg file. You can choose the right program for your OS and click on it to start the download. You can also visit the developer's website.

Apps that open DMG files

Method 3: Use Universal File Viewer

The recommended use of Universal File Viewer, a tool for opening over 250 file extensions, complements the list of programs above. This utility is capable of opening your dmg file. Download Universal File Viewer to your OS quickly and securely.