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.
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Clicking either one of these opens the DMG file. When you open a DMG file, you’ll usually see two things: the app and a link to your applications folder. Some DMGs—like the Steam DMG shown above—have styled backgrounds, but this is only cosmetic. To install the app, drag it into your Applications folder.
To open a DMG file and view its contents in Windows 10, follow the steps shown below: Step 1: Download the SysTools DMG viewer utility and install the application in your Windows 10 computer. Step 2: Launch the application and click on the File Open. Browse and locate your DMG file, select it and click 'Open' in the Explorer dialogue box. Open DMG Extractor and select the DMG file you want to extract. Click the 'Open' menu icon on the top-left of the window. If the DMG archive is password protected, DMG Extractor will prompt you for its password: DMG Extractor opening an encrypted DMG. DMG Extractor will load the file you selected. If you have a large DMG file, a progress bar will show until the DMG file is loaded.
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.
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
How To Open A Dmg.part File
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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7-Zip is a file archiver with a high compression ratio.
Download 7-Zip 19.00 (2019-02-21) for Windows:
Link | Type | Windows | Size |
---|---|---|---|
Download | .exe | 32-bit x86 | 1 MB |
Download | .exe | 64-bit x64 | 1 MB |
Download 7-Zip 19.02 alpha (2019-09-05) for Windows:
Link | Type | Windows | Size |
---|---|---|---|
Download | .exe | 32-bit x86 | 1 MB |
Download | .exe | 64-bit x64 | 1 MB |
License
7-Zip is free software with open source. The most of the code is under the GNU LGPL license. Some parts of the code are under the BSD 3-clause License. Also there is unRAR license restriction for some parts of the code. Read 7-Zip License information.
You can use 7-Zip on any computer, including a computer in a commercial organization. You don't need to register or pay for 7-Zip.
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How To Open A Dmg File On Windows 10
Compression ratio
Dmg Extractor For Windows 7
We compared 7-Zip with WinRAR 5.20.
How To Open A .dmg File In Windows 10
FILE SETS: Mozilla Firefox 34.0.5 for Windows and Google Earth 6.2.2.6613 for Windows.
Archiver | Mozilla Firefox | Google Earth | ||
---|---|---|---|---|
65 files 85 280 391 bytes |
483 files 110 700 519 bytes |
|||
Compressed size | Ratio | Compressed size | Ratio | |
7-Zip 9.35 -mx |
39 357 375 | 100% | 15 964 369 | 100% |
WinRAR 5.20 -m5 -s -ma5 -md128m |
41 789 543 | 106% | 17 035 432 | 107% |
How To Open A Dmg Extension File
Compression ratio results are very dependent upon the data used for the tests. Usually, 7-Zip compresses to 7z format 30-70% better than to zip format. And 7-Zip compresses to zip format 2-10% better than most of other zip compatible programs.