After the disk image is mounted, you can access its contents in the Finder like any other disk. If the disk image is encrypted, enter the password when prompted. When you need to use the disk image, double-click it to open it.

DVD/CD master: Changes the size of the image to 177 MB (CD 8 cm).

Read/write: Allows you to add files to the disk image after it’s created.

Sparse disk image: Creates an expandable file that shrinks and grows as needed.

Sparse bundle: Same as a sparse image, but the directory data for the image is stored differently.

Click the Image Format pop-up menu, then choose an option: Click the Partitions pop-up menu, then choose a partition layout.

To encrypt the disk image, click the Encryption pop-up menu, then choose an encryption option.

If the disk will be used with Windows or Mac computers and is over 32 GB, choose ExFAT.

If the disk will be used with Windows or Mac computers and is 32 GB or less, choose MS-DOS (FAT).

If the disk will be used with Macs, choose Mac OS Extended (Journaled) or Mac OS Extended (Case-sensitive, Journaled).

Click the Format pop-up menu, then choose the format for the disk: In the Size field, enter a size for the disk image. This is the name that appears on your desktop and in the Finder sidebar after you open the disk image.

In the Name field, enter the name for the disk image. This is the name that appears in the Finder, where you save the disk image file before opening it. Enter a file name for the disk image, add tags if necessary, then choose where to save it. As a disk management tool for Mac, you can also use it to create a disk image for Mac. It is used for Mac users to erase, format, and mount disk. On a Mac computer, there is a tool called Disk Utility. On macOS, the format of the disk image is.

Disk images come in many formats, so they can be used on different kinds of computers, including Windows, macOS, and Linux. It can be used for backup purposes or to save space by storing only one copy of large files that are used infrequently. A disk image is an exact copy of a disk or a partition.

Mac disk image from drive