


This macOS disk image format supports compression, file spanning, and encryption, so some DMG files may be password protected. It is only visible when downloading macOS software from the Internet. This article explains what a DMG file is, how to open it in different operating systems, and how to convert it to another archive format like ISO or IMG.įiles with the DMG file extension are Apple Disk Image files or sometimes Mac OS X A disk image file that is essentially a digital reconstruction of a physical disk.īecause of this, DMG is often a file format used to store compressed software installers without using a physical disk. Convert to ISO, ZIP, IMG and others using AnyToISO, CloudConvert or DMG2IMG.Open one automatically on Mac, or use HFSExplorer or 7-Zip on Windows.A DMG file is an Apple disk image file.
