Expand Dmg Drive Mac Computers And

A disk image (.dmg file) is a file that looks and acts like a mountable device or volume.

You can fill an empty disk image with data, then use it to create disks, CDs, or DVDs.

Theres a lot of benefits to disk imaging, as noted by Dmitry Shesterin at.

If you want to keep data from a computer, you dont need to keep the actual hardware around.

This is the name that appears in the Finder, where you save the disk image file before opening it.

This is the name that appears on your desktop and in the Finder sidebar after you open the disk image.

Click the Format pop-up menu, then choose the format for the disk.

Expand Dmg Drive Mac Computers And

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 Windows or Mac computers and is over 32 GB, choose ExFAT.

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

Click the Image Format pop-up menu, then choose an option: Sparse bundle: Same as a sparse image, but the directory data for the image is stored differently.

Uses the.sparsebundle file extension.

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

No additional space is used.

Readwrite: Allows you to add files to the disk image after its created.

Uses the.dmg file extension.

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

Uses the.cdr file extension.

However, Im using Catalina on a 16-inch MacBook Pro for this tutorial.

How To Expand Dmg Drive