A DMG file is a mountable disk image used khổng lồ distribute software lớn the macOS operating system. Mac users typically tải về the file from the internet then double-click it to lớn install an application on their computer.

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DMG file mở cửa in macOS Big Sur (11.5.2)

The DMG format is one of several file types software developers utilize to distribute macOS applications outside of Apple"s ứng dụng Store. Other options include .APP files compressed in a .ZIP archive or .PKG files.

DMG is a prevalent distribution format because it maintains the disk image"s integrity via checksums. When opening a DMG file to begin the installation process, the DiskImageMounter utility bundled with macOS verifies the checksum to ensure the disk image has not been modified or corrupted during the distribution. This process is valuable for developers và end-users lớn make sure they install an untampered application.

NOTE: The DMG format replaced the .IMG file format previously used in Mac OS Classic.

How to xuất hiện a DMG file

You can open a DMG tệp tin by double-clicking the file. After clicking the file, the DiskImageMounter utility bundled with macOS verifies the disk image"s integrity. After confirming the disk image, the utility mounts the virtual disk & places it on your desktop & in an apple Finder window as if it was a CD or a USB flash drive inserted into the computer.

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You can double-click the program icon (actually an app file) in the Finder window khổng lồ run the app. Or, you can drag the program icon lớn the Applications folder icon in that same window to lớn move it to lớn the Applications directory on your computer, then double-click the phầm mềm directly from the Applications directory to run it.

You no longer need the DMG file after installing the software stored in the DMG file. Therefore, you can delete the DMG file after installing the software.

How bởi vì I mở cửa a DMG file in Windows?

DMG files are Mac-specific & not intended for use in Windows. Therefore, if you download a DMG file from a website, kiểm tra the site for a Windows version of the software (most likely distributed as an .EXE or .MSI file).

Although you cannot install software distributed via DMG files in Windows, several Windows applications can extract their contents, including 7-Zip và PeaZip. You can also attempt to lớn convert the DMG file to an .IMG file with the DMG2IMG utility.

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Programs that mở cửa DMG files

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