If you know the Mac OS application which can work as DMG file opener you can choose the 'Choose Application.' option in the error box to associate the file extension and open DMG file in it.

If a DMG file is not opened in a Mac OS application and you instead get a 'There is no application set to open the file' error message you can click on 'Search App Store' in the error dialog and Mac OS will show you applications compatible with DMG file.

Find a DMG file in question in Mac OS Finder and double click on it to launch the corresponding application.

Install the application you found and check if it can open DMG file.

If you don't know the application which function as DMG file opener then try to search online for 'DMG viewer', 'application to open DMG file' or 'open DMG file' queries in the search engine you like.

If you know the application which can open DMG file then run it and see if there is a File->Open main menu option in the application.

If a DMG file is not opened in an application and you instead get a 'Windows can't open a file' error message you should try looking for an application which can open the file in question.

Find a DMG file in question in Windows OS File Explorer and double click on it to launch the corresponding application.

Such as IsoBuster and DMG2ISO can be used to convert DMG files to more recognizableįormats such as File extension ISO or File extension BIN, which can be opened using a wide range ofĪpplications or burnt straight to disc using software such as Roxio or Nero. Opened in Windows using an application such as TransMac. DMG files are specific to Mac OS X, though can be However, the DMG file format is new to OS X and as such is not compatible with Using the Apple Disk Utility, which is bundled as part of the operating system. Prevent unauthorized users mounting and using the image. DMG files are often used to distribute software in the same manner asĪn EXE file is used for the Windows platform, and may be password protected to

Make them incompatible with other software on other operating systems such as Including HFS, HFS+, Linux and Fat32, and are usually compressed, which may However, DMG files can use a variety of different file systems The contents of a DMG file, it can also be used as the source to create CD orĭVD copies.

Which can be mounted and treated like a physical volume. Purposes, though this has now been superseded by DMG format.ĭisk image files such as ISO in that they contain a folder and file structure Mac OS Classic originally used the IMG file format for the same Mac OS X natively support DMG files with the bundled Appleĭisk Utility, and can mount and treat them as though they are physical disk

Extract dmg image