Here's how to make sure all the personal files and other data on your storage drive are erased and unrecoverable, whether you ...

Most people assume that deleting files and emptying the Recycle Bin permanently removes them—but that’s not true. Those “deleted” files still sit on your drive and can be restored with recovery tools.

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The Windows tool Diskpart overwrites all data on the hard drive with a zero, which is considered a secure deletion method. This applies at least to classic hard drives, i.e. HDDs with magnetic discs.