For data partitions, you can use tools such as Ascomp Secure Eraser. This will not only delete the files the drive contains, but also overwrite it with random data. With Secure Eraser, click on ...

Or you can type "autonuke" to securely erase all drives. (For PCs, you can also use secure file erasers such as File Shredder, Eraser, and Freeraser to erase individual files and folders instead ...

However, this changes with iOS 18 and iPadOS 18, which introduce the ability to erase and format external drives using your iPhone or iPad. I'll show you how to use this feature. Using the Files ...