Q: how to copy a dvd

You can use Disk Utility to quickly copy many types of CDs and DVDs, but not all types. 

Disk Utility cannot create usable copies of discs with an incompatible format or discs that are copy-protected. (These include most commercial movie DVDs and audio CDs and some software and data discs.)

To copy music from an audio CD to another CD, use iTunes, not Disk Utility.

To duplicate a disc, you first create a disk image of the disc you want to copy, and then use that image to burn copies. To burn a disc, you need an optical drive in your computer or connected directly to your computer. You can’t burn a disc using a remote optical drive.

Disk Utility will create a .dmg file, that customer can burn and create another copy of that video on a disk, but not a data disk.

Open "Disk Utility" on the computer, found by clicking finder in the dock, selecting applications then the utilities folder.  You should see Disk Utility in the utilities folder. 

When disk utility is open, you will see the words "disk utility" beside the apple, at the end of this top menu bar, you should see "help".  Click on "help" and select "disk utility help".  In the window that opens, search out the words "duplicate CD or DVD" in the top right search engine of this window.  Follow the instructions listed there, for instructions on how to do this.

Click here and follow the instructions. They'll work with any home video DVD but not most commercial ones.

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