Secure Delete - Freeware File Eraser from Microsoft.

Permanently erase files and prevent your confidential files in the wild.Microsoft offers a free command line utility - SDelete (Secure Delete) - that overwrites all the free space to prevent data recovery.

You can use SDelete both to securely delete existing files (replacement of delete), as well as to securely erase any file data that exists in the unallocated portions of a disk (including files that you have already deleted or encrypted).

Download Secure Delete from here - SDelete

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