There are times you need to share some sensitive data with associates or mates that you don’t want to share to anyone else or leave any possibilities for others to open and read/copy. One possibility would be to use password-protected packages like ZIP or RAR, but DMG may be slightly more convenient on a Mac.

Since there are no manual methods available to view the DMG Files in Windows, users can install external third-party software available online on Internet. DMG Viewer is one of the tools from such category. The software provides you with the following features: Open DMG File in Windows OS based machine; Read: Corrupt, Password Protected. Open Password Protected Dmg Windows Download 7-Zip and DMG Extractor are the best options to open DMG file on Windows because they are compatible with the most DMG variations. For Linux a built-in 'cdrecord' command can be issued to burn DMG files to CD's or DVD's.

How to extract DMG files using UnZipper: Open this software and provide DMG files path. After that, select DMG files and press the Extract Button. The extract button leads you to an Extract window, where you can define the output folder path and also set a password for the extracted file.
The type or condition of a DMG file is no restriction for the Free DMG File Reader. The tool is flexible enough to open and read DMG files whether they are encryption or password protected. Moreover, corrupt DMG files can also be read with the tool successfully.

What’s DMG?

Apple Disk Image is a disk image format commonly used by the macOS operating system. When opened, an Apple Disk Image is mounted as a volume within the Macintosh Finder¹

How To Open Password Protected .dmg File On Mac

Disk Utility

As in the previous DMG-related articles Disk Utility comes in handy when creating disk images.

You can find it under Applications > Utilities > Disk Utility.

How to create the DMG?

On the toolbar of Disk Utility, there’s icon for the New Image, clicking on which produces the dialogue box:

As we go through the entries, the specs for the new password protected DMG disk image are following:

Save As sets the file name of the image file, e.g. My private data.dmg.
Where sets the location of the image file.
Volume name sets the name of the volume as it would appear in Finder later
Volume size sets the estimated size of the DMG file. If you are going to share stuff, you probably know what would the maximum size be. For the document files you’d be safe with 10 MB.
Volume Format is the disk format for the image that you may safely leave untouched.
Encryption refers to the file encryption strength as we set the password. 256-bit AES encryption would make a nice choice here.
Partitions would be fine with Single partition.
Image Format is best to remain at read/write in order to enable later changes, e.g. if you need to add files into the image in future.

With everything filled in, hitting the Create button will create the image file at your given location and prompt you to enter password to access DMG:

Make sure to uncheck the Remember password in my keychain checkbox if you are willing to always enter password to access DMG, even on your own machine. Otherwise, if anyone opens the DMG file on the machine it was created on, they would not be prompted for the password because it would be pulled off the Keychain automatically.

As you have created the DMG file, you can open it and drag your sensitive files to it in Finder. Once you have completed, make sure to unmount the image from the eject button by the image name .

Nov 12, 2019 About DMG Files Our goal is to help you understand what a file with a.dmg suffix is and how to open it. The Apple Disk Image file type, file format description, and Mac, Windows, and Linux programs listed on this page have been individually researched and verified by the FileInfo team. Nov 29, 2018 We hope this helps with clarifying how to open zip files on an iPhone or iPad. Unfortunately, a perfect native iOS solution doesn’t exist as of yet, however, even with a free app you can access zipped contents with fairly little hassle. Nov 13, 2019 How to Open DMG Files. This wikiHow teaches you how to open a DMG file on a Mac. Since DMG files are used predominately to install applications on Macs, you cannot properly open DMG files on Windows computers. Aug 13, 2018 All you really need to do is double-click the DMG file to open it and mount it to your Mac. The DMG mounts in two places: on your desktop and in the Finder sidebar under your hard drive. 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. Nov 05, 2016 hey guys I've downloaded an ISO file. It gives me the option to open it with OneDrive, Av player, Documents and TDownloader however none of them work. I read that the file can be opened with vlc but the 'open in' isn't giving vlc as an option. I've trie importing them to each app then seeing.

Open DMG File

DMG is used for disk image files on Macintosh computers running Mac OS X. This file extension replaces the older file extension IMG which was discontinued during the release of later series of Mac operating systems. You can open DMG file on Mac, Linux, and Windows operating systems but it will require additional software to be installed on Windows. Note that on Windows and Linux you cannot open every DMG file, since there are certain software limitations on DMG format variation.

DMG files are used by Apple for software distribution over the internet. These files provide features such as compression and password protection which are not common to other forms of software distribution file formats. DMG files are native to Mac OS X and are structured according to Universal Disk Image Format (UDIF) and the New Disk Image Format (NDIF). They can be accessed through the Mac OS Finder application by either launching the DMG file or mounting it as a drive.

DMG is also referred to as the Apple’s equivalent to MSI files in Windows PC. Non-Macintosh systems may access DMG files and extract or convert them to ISO image files for burning. Several applications are designed to offer this solution for Windows systems.

7-Zip and DMG Extractor are the best options to open DMG file on Windows because they are compatible with the most DMG variations. For Linux a built-in 'cdrecord' command can be issued to burn DMG files to CD's or DVD's.

Aside from the Finder application, you can open DMG files through Apple Disk Utility, Roxio Toast, and Dare to be Creative iArchiver for Mac platform. On the other hand, additional applications such Acute Systems TransMac, DMG2IMG, and DMG2ISO can be installed on Windows to fully support the files.

Read how you can open DMG files on Mac OS, Windows and Linux.

DMG files are transferred over e-mail or internet using application/x-apple-diskimage multipurpose internet mail extensions (MIME) type.

Following file types are similar to DMG and contain disk images:

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What’s DMG?

How To Open Password Protected .dmg File On Mac

Disk Utility

How to create the DMG?

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