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How to Format Seagate External Hard Drive under Mac OS?

by Shirly Chen, 2016-11-10

format or reformat Seagate external hard drive under Mac OS

“Hi, anyone can tell me how to format a Seagate external hard drive on Mac? I am going to sell my 2TB Seagate external hard drive. Before sending it away, I want to make sure all the data on it has been permanently erased. So I try to format it on my Mac. However, I didn’t find a way to format Seagate external hard drive under Mac OS. Is it possible to do this?” – Manie

Formatting is the best way to give an old Seagate external hard drive its new life. It is easy to format a Seagate external hard drive on Windows PC. However, if you want to format a Seagate external hard drive on Mac, it is not as easy as formatting it on a PC. Cause this feature is ‘hidden’ inside your Mac OS. And in some cases, you need both formatting Seagate external hard drive and permanently wiping data on it. Such as these cases:

  • You will resell, donate or give away your old Seagate external hard drive.
  • You are going to lend your Seagate external hard drive with someone else or share it with other people.
  • You are disposing your old Seagate external hard drive or throwing it into trash.
  • You plan to send your Seagate external hard drive to be repaired.

In the cases above, you need to format your Seagate external hard drive and permanently destroy all sensitive data on it, leaving no chance for data recovery. Only Mac data erasure software can achieve the double effects. DoYourData Super Eraser for Mac offers secure and easy solution to format Seagate external hard drive and permanently wipe all existing data and history data.

Format Seagate external hard drive with Super Eraser for Mac

DoYourData Super Eraser for Mac gives clear way to format Seagate external hard drive under Mac OS because it is so easy-to-use. You just need to connect your Seagate external hard drive with your Mac and run this Mac data erasure software to format it, here is the instructions.

Select mode “Wipe Volume/Device” –> Select your Seagate external hard drive -> Click on “Wipe Now” button. Then it will automatically format your Seagate external hard drive and wipe all existing/history data. You will get a brand new Seagate external hard drive.

format or reformat Seagate external hard drive under Mac OS

Since this Mac data erasure will permanent wipe all data on your Seagate external hard drive while it is formatting your Seagate external hard drive under Mac OS. So please back up your important files before you run it to format your Seagate external hard drive. It also supports to format Mac hard drives, USB flash drives, external hard drives, digital cameras, SD cards, etc under Mac OS.