Short description of NT Data Wiper 2.2: Did you know that Windows does not remove deleted files, they stays on the drive until it is overwritten by another file? Normal file deletion is NOT secure! NT Data Wiper is an advanced data erasure tool which removes all deleted confidential record information from your hard drive and safeguards the computer privacy. If you wipe already deleted files with NT Data Wiper, they cant be restored by any recovery tools.