how to format your hard drive on Mac

How To: Erase Hard Drive on Mac

If you want to erase or format a hard drive using a Mac, here are the quick instructions. The screenshot example is using an external hard drive I use for my Time Machine backups.

  1. First thing is to find the Disk Utility. I typically just type in a quick search in Spotlight at the top right of the screen.
    how to find disk utility
  2. Now once Disk Utility is open, you need to select the drive that you want to erase or format and select the “Erase” tab at the top.
    how to use disk utility
  3. Now select how well you would like your data erased or secured. I choose the 7 pass option as it is the DOD standard and makes me feel like my data is safe and sound and gone :)
    how to format your hard drive on Mac

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