Burn DVD Images in Mac OS X

June 3, 2011, By Christian Cawley

DVD images are virtual discs that can be stored or burned to disc. Imagine copying the contents of an entire disc to another – a virtual disc is the data that is copied.

Making a DVD image in Mac OS X will allow you to make a backup of the disc in question, either by burning it to a new disc or storing it in ISO or DMG format on another drive or computer.

This can be vital for retaining copies of discs that you use regularly; regular use of any disc can reduce its lifespan, with some discs apparently failing after a matter of a few years. It seems increasingly likely (with increasing bandwidths) that optical media will eventually become just a storage option rather than its current purpose as the main shipping medium for software and movies, so being aware of and able to create DVD images and save them to your hard disk could be advantageous in the long term.

Burn DVD Images in Mac OS X

How to Make a DVD Image in Mac OS X

Mac OS X comes with all the tools you need to create a DVD image. By simply inserting your DVD, you will be ready in moments to begin the process of creating the DVD image.

After you have stopped the disc from auto-playing, go to the Applications menu (SHIFT+APPLE+A) and open Utilities. From here, open Disc Utilities.

In the Disc Utilities screen, you will see the title of the disc you wish to image across the top of the box, and your disc listed under your disc drive on the left. Notice also the disc information at the bottom of the box, detailing the disc type, format, capacity, and other useful information. You should check this to get an idea of how long the creation of the disc image might take.

You will need to select the disc and click the New Image icon (or go to File > New > Disk Image from disk1 (TITLE)) in order to begin making the DVD image.

Naming Your Disc Image

If you intend to create a disc image that will be saved to your Mac or a separate hard disk drive you should give the disc a sensible, easy to remember and descriptive name. Otherwise, proceed with the default option.

You should leave the options as per their defaults – so Image Format should be “compressed” while Encryption should be “none”. Decide where you are going to save the image, and click Save.

The disc image will then be created, and saved to the location you specified earlier. This may take several minutes to complete, depending on the size of the disc, so you might wish to go and do something else while you wait.

Once complete, don’t forget to eject your disc and put it somewhere safe!

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