In addition to providing good compression level, DMG files also support AES 128 and 256 bit encryption, which means you can create a password-protected compressed folder. Yes, you can, and do so more useful than you think. If you want to convert DMG to another compressed format (such as converting DMG to ISO, like the DMG file format for Windows), a tool like DMG2img will help you get the job done.
However, if you need to open a DMG file, 7-Zip supports extracting DMG files. There are not many reasons why you want to use DMG files in Windows, because they often contain MacOS applications, not Windows applications. Next, delete the DMG file itself, unless you have a reason to keep it. This will unmount the DMG file from your system. You can remove a copy of DMG because you no longer need it.įirst, remove the DMG file by right-clicking on it and selecting the 'Eject' command, or by pressing the eject button next to the drive in the Finder. When you finish installing the application, you will have two copies, one in DMG format and one in the Applications folder. The application will no longer be available after you delete the DMG file. Note: Do not launch the application right from DMG. It may take a second to copy, but when finished, you can launch the application from Launchpad or Spotlight just like any other application.
#Do you have to keep the dmg files install#
To install the application, drag the application to the Applications folder. Some DMG files - like Steam DMG are shown above - there are backgrounds that are styled for decorative purposes. When opening the DMG file, you will often see two things: Application and link to your application folder. Click on either of these places to open the DMG file. All you really need to do is double click on the DMG file to open it, and mount it to your Mac.ĭMG mounts in two places: on the desktop and in the Finder sidebar in your hard drive.
#Do you have to keep the dmg files how to#
How to use DMG file?įortunately, MacOS does a great job of making things easy. Saving data usage when downloading is always a good thing. And that's the second reason macOS uses DMG files: They have a compressed format (like ZIP file) that makes the file size smaller. This small window first goes through a file verification phase and then, when it's sure it's a good file, the file will be moved to the decompression process. This is what you see when the file is open: DMG files undergo a 'checksum', basically verifying that the file is 100% intact. The main reason that MacOS uses DMG files is to make sure the file is properly downloaded and not spoofed.
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