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SafeIT E-mail Shredder
SafeIT E-mail Shredder for Outlook 2003 and 2007 is a software application for permanently removing (shredding) old and deleted e-mails from your Outlook Personal Storage (.PST) file.


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E-mails are NOT removed, only hidden

When you use Microsoft Outlook your e-mails are automatically and consistently duplicated, left behind and hidden away. An e-mail can exist up to eight times in your PST-file and traces of old discarded e-mails can exist from the time you first created your Outlook file.

In Microsoft Outlook; when you delete an e-mail, empty the “Deleted Items” folder, or even compress the PST-file, the information is NOT removed from your computer. These commands only alter the structure of the PST-file, leaving most of the data intact and recoverable with software tools easily available. This means that someone else can recreate old e-mails that you thought you have already deleted.

How is an e-mail shredded

E-mails are shredded by overwriting its content a number of times with pre-defined data patterns. This will make recovery impossible, even with advanced software and hardware analysis tools. SafeIT E-mail Shredder currently supports 11 different algorithms ranging from 1 run up to 35 runs. Use the algorithm that your company's policy dictates or the one you are most comfortable with.

Because Microsoft Outlook creates multiple duplicates of a single e-mail simply shredding the selected e-mail is not enough. Therefore, when you select a single e-mail, all the unused space of your PST-file will be shredded. This is done to ensure that every trace of the e-mail is permanently removed - even the small fragments that are commonly scattered all through the PST-file.

Things you didn’t know about security in Microsoft Outlook

  • An e-mail can exist up to eight different times in your PST-file. (Even more if you move it between folders.)

  • Whenever an e-mail is moved into the Deleted Items-folder, it will actually get copied to a new location in the PST-file, rather than deleted. (Contributing to the problem mentioned above.)

  • Commonly between 20-50 % of a typical PST-file is unused space (potentially containing sensitive information).

  • Password protection of a PST file is very easy to circumvent and remove. Simply replace the current password with a password of your choice.

  • The option “Compressible encryption” when creating a PST-file is the simplest form of encryption and only transposes the data (Ceasar cipher style). This is very easy to remove.

  • The option “High encryption” when creating a PST-file only improves security slightly but contains several weaknesses that makes it vulnerable to attack. It is, for example, still possible to change the password (see above) of the file and access the information that way.



If you have downloaded the FREE 30 day subscription you can use the product fully during 30 days to make sure you have shredded all you e-mail history in Outlook 2003 and 2007. You can also select e-mails to be shredded during this time. Should you want to extend your subscription you click renew subscription in the programwindow.

The one year subscription gives you full shredding functionality and free upgrades and e-mail support for the full year. Once your subscription is about to expire you will be notified and can renew 1-3 years for a discounted price.

Main features in software include:

  • Quickly and easily select an e-mail to be shredded.

  • Shred all the unused space of your PST-file (includes discarded e-mails, fragments of previously deleted e-mails and old attachments).

  • Schedule shreddings to make sure new e-mails are also kept secure.

  • Completely integrated in Microsoft Office Outlook 2003 and 2007.

  • Vastly improving the security of your PST-file.

System Requirements

  • Microsoft Windows XP or Microsoft Windows 2000 Pro.
  • Microsoft Office Outlook 2003 and 2007 (**).
  • Outlook Personal Storage file using the PST2003 and 2007 format (**).

(**) We currently do NOT support any other versions then Microsoft Outlook 2003 and 2007!


Security Technology

The SafeIT Shredding Technology is based on well known standards and approved algorithms for complete data removal. The program has support for the following overwriting algorithm:

  • HMG Infosec Standard 5, The Baseline Standard. The algorithm using 1 pass of overwriting.

  • HMG Infosec Standard 5, The Enhanced Standard. The algorithm using 3 passes of overwriting.

  • Peter Gutmann's algorithm. The algorithm using 35 passes of overwriting.

  • U.S.Department of Defense Sanitizing (DOD 5220.22-M). The algorithm using 3 passes of overwriting.

  • Bruce Schneier's algorithm. The algorithm using 7 passes of overwriting.

  • Navy Staff Office Publication (NAVSO P-5239-26) for RLL. The algorithm using 3 passes of overwriting.

  • The National Computer Security Center (NCSC-TG-025). The algorithm using 4 passes of overwriting.

  • Air Force System Security Instruction 5020. The algorithm using 4 passes of overwriting.

  • US Army AR380-19. The algorithm using 3 passes of overwriting.

  • German Standard VSITR. The algorithm using 3 passes of overwriting.

  • OPNAVINST 5239.1A. The algorithm using 3 passes of overwriting.