Zap Free Space allows you to simply and cleanly shred or wipe the free space (unused areas) on your hard drives.

Not for Vista or Windows 7. Yet.

Additional Required File

Zap Free Space utilizes freeware file Sdelete.exe from Microsoft and is available at http://www.microsoft.com/technet/sysinternals/FileAndDisk/SDelete.mspx

Download the Sdelete.zip file and extract Sdelete.exe to your c:\windows\system32 folder.

SDelete implements the Department of Defense clearing and sanitizing standard DOD 5220.22-M

 

Installation Package 

This installation package creates and adds a few registry entries to allow you to shred (securely erase) the free space on your drives by adding a right click option to your drive letters in explorer. It can be removed via Add/Remove programs in the control panel.

To install in Vista, right click the installation file and select run as administrator.

 

ZAP FREE SPACE USAGE

It's best to perform a disk cleanup and run disk defragmenter on your drive prior to performing a wipe. 

Sdelete.exe will do a three pass wipe of your unused hard drive space.

This also works for wiping free space on floppy disks and USB flash drives.

 

Open My Computer (computer in vista) or explorer.

Right click the drive that you wish to shred the free space. Select "Zap Free Space".

       

 

USING the “SEND TO” function

CAUTION: Using “Send to” permanently and irrevocably deletes your files. Do not ever expect to retrieve those files again. No Recycle bin, No Recovery software, Forever……

Right click a file or folder (that you truly want deleted forever)

Send to, Shredder  

Sdelete.exe will do a three pass wipe of your file or folder.