You can choose: Don't Erase Data, Zero Out Data, 7-Pass Erase, or 35-Pass Erase. button to specify how to erase the drive. Launch Disk Utility from the Applications:Utilities folder.įrom the list on the left select the drive you would like to formatįrom the Volume Format dropdown select the format you would like the drive to be in.Įnter the title for your volume in the Name field. If your hard drive is an external drive, connect it to the computer.
These are instructions on how to format a hard drive using Mac OS X Disk Utility.