The destination ISO file will be in the same folder of the source DMG file, you can change it if necessary. Anyburn will create the default destination image file name based on the destination image type. Select the source DMG file, and select the destination image file type to ISO format. Run AnyBurn, and click 'Convert image files'. This increased the size of the partition to the same size as the image file. I was then able to pull down the lower-right corner of the partition graphic to fill the entire space. Mount the image by double-clicking the.dmg file, select the.dmg file (upper icon) in the left pane of disk utility, and click the Partition tab. The DMG file format is used for mountable disk images, which can be opened (mounted) with the Finder a default file manager included in OS X (macOS).The dmg files can also be mounted in most popular emulation utilities. The dmg file extension is associated with disk image files created for Mac OS X (macOS). You can enable 'Subtitles/CC' in this video Hi guys 🙂 Today I'll show you how to create a custom dmg file.Creating a dmg file is very easy and you can crea.