How To: The Ultimate Guide to Password-Protecting Files & Folders in Mac OS X Yosemite. Now, when you open the locked Word document, you'll be asked to enter your password. To open the folder, double-click on the.dmg that was created. Enter your password, hit 'OK,' and your folder will open.
- DMG, DMA, DMC, and HDMP are similar in that they, too, do not behave like DM files and therefore open with different programs. Follow those links to learn more about those file formats, including how to open them and whether or not you can convert them to other file formats.
- 1) Try restarting your mac, and trying to open the.DMG again. 2) Hold down the Control key when you click on the.dmg then select Open from the context menu. Theis should give you a window to 'allow anyway'. If neither of these options solves the probelm for.
![Dmg won Dmg won](https://www.inter-tech.de/cache/shortcodes/88888149-640x458.jpg)
How To Open A Password Protected Dmg
What is a DMG file?
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.
![Open Open](/uploads/1/2/6/5/126569280/511453588.png)
Some .dmg files may be encrypted in addition to being compressed, for added file security. These files are often used by software installers that download applications from the Internet to a user's computer.
The Oracle export and import utility, used by Oracle databases, also uses the .dmg file extension for database dump files that are stored a binary file format.
Software that will open, convert or fix DMG files
Try a universal file viewer
Try a universal file viewer like Free File Viewer. It can open over 200 different types of files - and most likely yours too. Download Free File Viewer here.
About File Extension DMG
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File.org aims to be the go-to resource for file type- and related software information. We spend countless hours researching various file formats and software that can open, convert, create or otherwise work with those files.
If you have additional information about the DMG file format or software that uses files with the DMG suffix, please do get in touch - we would love hearing from you.