A DMG file is a proprietary disk image file format developed by Apple for its Macintosh line of computers. These are large, single files that comprise the entirety of a physical disk, such as a DVD or ...

One of the potentially frustrating things about switching back and forth between Mac and Windows PCs can be proprietary formats — a key example being Apple's DMGs (disk images). Here's how to extract ...

So you downloaded an .iso or .dmg file, and now you want to burn it to CD or DVD on your Mac. Fear not! No extra software is required. The delightfully useful Disk Utility built into OS X can burn ...

Periodically people who download applications end up with collections of DMG files that they are regularly accessing to use their programs. Here is how to manage these DMG files and install ...

If you've ever downloaded a DMG file from a website, you've dealt with a disk image. Disk images are a kind of virtual disk--like a CD or DVD or even a hard drive. They store files in a way that acts ...

A DMG file is a disk image file that's primarily used on Macs for software installation. The file is essentially an archive containing a number of compressed files, much like a ZIP file. If you need ...

After you download a disk image ( .dmg ) file, the file should either mount automatically or mount when you double-click on it. If it doesn’t, the Finder might be attempting—and failing—to open the ...

I work for a non-profit, and my executive director just spent close to $11,000 on MacBooks, and I have to set them up. My experience with OSX is minimal, at best, but I learn as I go along. There are ...

We continue to report on a perplexing issue where certain .dmg files downloaded from the Web transform into files with .exe extensions either temporarily (during the download) or permanently. There's ...