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How to Format External Hard Drive on Windows or Mac?

by Shirly Chen, 2016-09-11

In order to regain the full storage of external hard drive or wipe all sensitive data before selling/donating/throwing giveaway old external hard drive, we should format the external hard drive to clean up all data. Do you know how to format external hard drive? If you have no ideas, here are some solutions you can rely on.

Solution 1: Format External Hard Drive on Windows with Built-in Quick Format Feature

Formatting is usually used for cleaning up existing contents for initial use or cleaning up disk. Windows has a built-in feature to format the local or external hard drive. Here are the steps.

1. Connect your external hard drive with your computer. 2. Click My Computer and find your external hard drive. 3. Right-click the external hard drive icon. 4. Click “Format”.

format external hard drive

5. Click “Start” to format your external hard drive.

format external hard drive

After quick format, all the existing files will be cleaned up. However, the formatted files can be recovered after quick scan. If you want to recover the formatted files, just download our free data recovery software to scan the external hard drive to find lost files.

Solution 2: Format External Hard Drive Using Mac Disk Utility

This solution is used for formatting external hard drive under Mac OS. Here are the steps: 1. Connect your external hard drive with your Mac. 2. Click “Launchpad”, find “Disk Utility” and open it. 3. Select external hard drive, click on “Erase” to format the external hard drive.

format external hard drive

It is a quick way to format external hard drive on Mac. The formatted files erased by Disk Utility also can be recovered by free Mac data recovery software.

Solution 3: Securely Format External Hard Drive on Windows and Mac with Super Eraser

The two solutions above can help you format external hard drive on Windows or Mac. However, it only cleans up the existing files, can permanently wipe the deleted/formatted data. It means the formatted files still can be recovered by free data recovery software or other methods. So it is not safe when you are going to sell, donate, or discard your external hard drive or lend it to other people because that other people may steal your information by recovery the formatted files.

Fortunately, Super Eraser offer the ultimate data erasing solution to help you permanently format external hard drive on Windows and Mac. It will format the external hard drive and permanently wipe all existing data, deleted/lost data and history traces.

Here are the steps: 1. Connect your external hard drive with your computer. 2. Launch Super Eraser and select the mode “Wipe Partition/Device”. 3. Select the external hard drive and click on “Wipe Now” button.

format external hard drive

Super Eraser provides the ultimate solution to format external hard drive on a PC or Mac. The format methods are fully certified. It will permanently format the external hard drive and wipe all existing & history data. After formatting with Super Eraser, you can safely donate, giveaway, sell or lend your external hard drive to other people or just throw it away.

Here you can download Super Eraser for Windows and Mac.