How To Open A Dmg

DMG files are files that are treated like actual hard disks by the Macintosh OS X operating system. These files can be created with Disk Copy, burned to a CD or even mounted as a normal volume on Macintosh computers. They often contain raw blocks of data that are usually compressed for easier file management.

How to open DMG file 1. Download from here: 2. Read instructions here: DMG files use Hierarchical File System (HFS) as a disk file system format. In order for your Linux machine to open DMG files it needs to support HFS and HFS+. To enable HFS and HFS+ support on your Linux machine you will need to install HFS tools and kernel modules.

DMG file refers to Apple Disk Image, which is a common file format for Apple MAC users. If you are an Apple MAC user, you might have seen this file extension previously. Generally, when you create a recovery disk of OS X, your system create a .dmg file that users mainly need to burn on a DVD or USB drive to work further.

On Apple’s native platform, you can easily extract .dmg file and do your work without having third party tool. However, if you have a Windows PC and your friend has sent a .dmg file to check that out, you may face problem. This is because Windows OS cannot read .dmg file without any reader. That means, you need a software to open .dmg file on Windows PC.

Therefore, today I am going to introduce some well-known software those can aid you to open .dmg file on Windows PC.

How to open .dmg file on Windows?

This is however very easy when you have the right software.


This is the best tool for Windows to open .dmg file within seconds. You know that 7-Zip can deal with .rar, .zip and more other file formats of compressed files. Apart from those known extensions, 7-Zip can also handle .dmg file. You do not have to spend more than 30 seconds to open .dmg file on Windows using 7-zip. At first, choose the .dmg file and right click on it. Before doing so, make sure that you have already installed 7-Zip on your PC. After that, select Extract Here to extract the .dmg file. That’s all! After completing the process, you can work with the extracted .dmg file.


This is yet another useful software to open .dmg file on Windows. You can easily open your desired file on Windows without having any kind of issue. PeaZip is available for 32bit as well as 64bit Windows 7, 8 and 8.1. Not only .dmg file but also you can work with 7z, ZIP, TAR, PEA, QUAD, ISO, JAR, EAR, RAR, SMZIP, UDF, WIM, XAR, XPI, TZ and more others. Just drop a .dmg file into this tool and extract the content.



This is last but not the least software for Windows to extract .dmg file. Although, TransMac is available to download at free of cost but that is only for first fifteen days. After that, you will have to spend $48 to purchase the restriction free edition of TransMac.

TransMac comes with several awesome features and .dmg file opener is just one of them. If you have used GBurner, you can find some similarities. However, you can convert a DMG file into ISO image, which is readable on Windows. On the other hand, you can use TransMac to burn that converted ISO file or the original DMG file on DVD or USB Drive.

To extract .dmg file using TransMac, at first, download and install it. After that you will get option in your right click menu related to extraction.

Editor’s Note

This is not very difficult to open .dmg file on Windows when you know that working software. However, when it comes to the best software to open .dmg file on Windows, I would suggest you to use 7-Zip. This is free, simple and very easy to use. However, if you need an all-in-one tool, don’t think twice. Just go for TransMac.

DMG files are containers for apps in macOS, from which you can install software fast. Installing software simply requires you to open the .dmg file and then drag the application to your Mac’s Application folder. That’s much easier than using an Install Wizard in Windows. However, some of Mac newbies have no idea how to mount .dmg files in macOS or for some reason the .dmg file cannot be opened. Now this page will show you three methods to open and mount .dmg files on macOS.

Method 1: Open .dmg file with DiskImageMounter

DiskImageMounter is the utility that handles mounting disk images in Mac OS X. Normally you can mount a .dmg file on Mac by simply double-clicking it or right-clicking on it and selecting Open With > DiskImageMounter (default). However, some people report that .dmg files cannot be opened on Mac in this way. If that’s the case, move on to another method.

Method 2: Mount .dmg file from Mac OS Terminal

Place the .dmg file on your Mac’s desktop and then follow the steps.


How To Open A Dmg File On Mac

Step 1: Open Terminal on your Mac. If Terminal is not on the Dock, open it from Finder > Applications > Utilities.

Step 2: Type cd ~/Desktop and press Enter key.

Step 3: Type hdiutil attach googlechrome.dmg and press Enter key. Replace googlechrome with your .dmg file name.

That’s it. After you execute the two command lines, the .dmg file will be mounted on your Mac.

Method 3: Mount .dmg file using iSumsoft Bitlocker Reader for Mac

If you cannot open .dmg files on your Mac using either of the first two methods, it’s a good idea to use a third-party utility like iSumsoft Bitlocker Reader for Mac. iSumsoft Bitlocker Reader for Mac is mainly to help unlock BitLocker-encrypted drive on Mac, but it also comes with the Attach feature that can attach disk image on Mac. Here are the simple steps you can take to mount .dmg file using iSumsoft Bitlocker Reader for Mac.

Step 1: Download and install iSumsoft Bitlocker Reader for Mac on your Mac computer. After the installation is complete, launch it from the Launchpad.

Step 2: Click the Attach button.

Step 3: Browse for the .dmg file and select it, and then click Open.

That’s it. The .dmg file is now mounted successfully on your Mac and you can open it. You can also click the Unmount button to unmount the disk image from your Mac if you want.

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