Use Outlook Express Security to control access to Outlook Express and its databases. When it is active, Outlook Express becomes locked and no third-party programs can access its message base files and the address book. As a result, when you try to start Outlook Express, open the address book or access the files, a password will be asked to allow access. If an invalid password is entered, Outlook Express or Address Book will not be opened and the files will stay inaccessible. This will allow you to prevent stealing or spoiling of your Outlook Express's data. Outlook Express Security before it is too late.
This software is a shareware. You will be able to download and test Outlook Express Security during a certain period of time, then, if it does what you need, you will have to acquire the full version from Outlook Express Security publisher. The Outlook Express Security 2.03 free trial version contains an installer and an uninstaller, and has a size of 611 Kilobytes.
For additional information and support request, please contact directly Outlook Express Security publisher.

Outlook Express Security Screenshot