Once you use any of the methods below, the drive will be completely erased and all data will be removed permanently. Warning: Before you proceed, make sure you’ve already backed up all your important data.
The guide should work with all types of external disks, including hard disk drive (HDD), solid-state drive ( SSD) or a flash drive. So you just got a new external hard drive, and wanted to sell or donate your old one? Or your current external drive just got over-cluttered, and you want to completely wipe it out to regain all the storage space?Įither way, in this article we are going to show you two different ways to securely erase an external drive on a Mac computer (iMac, MacBook, etc.).
