How to Reformat External Hard Drive on Mac?

author

Anna

updated on 2018-01-14 to Mac Data Erasure

"I am going to sell an old external hard drive. I want to know how to reformat the external hard drive on my MacBook. I just want to permanently erase all data on the external hard drive." - Mirka

Did you faced some issues with your external hard drive, or did you have a plan to sell your external hard drive? Well, for whatever reason you want to reformat your external hard drive on Mac, you just come into the right place. Why? Because you can find the most reliable way to safely and properly reformat external hard drive on Mac.

Anyway, you know there are many ways to reformat external hard drive on Mac. But, unlike other methods you can find on the internet, what I'm gonna share with you on this article is how you can reformat external hard drive on Mac within a few simple clicks on your mouse. Of course, it's the easiest way to reformat external hard drive on Mac. And you won't find any other methods that could be done as easy as this one.

Easy steps to reformat external hard drive on Mac

Step 1: Download and install external hard drive formatting software for Mac.

AweEraser for Mac, the most powerful Mac data erasure software, can help you securely and easily reformat external hard drive on Mac. It offers the easiest solution which allows you to reformat external hard drive on Mac by only 1 click. With powerful data erasure algorithm, it will quickly reformat the external hard drive and permanently erase all data on the external hard drive. Just download and install it on your Mac.

Step 2: Back up data before reformatting the external hard drive.

If the external hard drive could be accessed and you reformat you eternal hard drive because you have a plan to sell it, please take a time to back up all of your important data. Remember, once it was gone from your external hard drive, there's no way you or anyone else could recover the data later. So once again, take a few minutes to back up your all the important data. Do it or risk losing all the data forever.

Step 3: 1click to reformat external hard drive on Mac.

Connect your external hard drive to your Mac. Make sure it's connected properly. Run AweEraser for Mac, you will see three data erasure modes, choose the second mode – Erase Hard Drive. After you clicked on the second Data Erasure option, you can see there is a list of hard drives connected to your Mac. Click on the external hard drive and click on the "Erase" button at the bottom of the screen.

How to Reformat External Hard Drive on Mac?

Now the software will run the reformatting process, and what you need to do is waiting until the process is done. Please don't open any software because it may slow down the process. Once the process is done, the external hard drive is reformatted and all the data on the external hard drive is lost forever. Then the external hard drive is able to be reused, recycled, resold or donated to other person.