Secure Address Book

Secure Address Book allows you to import your existing Windows Address Book contact information and store it into a specially encrypted database, away from any email viruses and worms looking for new email addresses used to infect the computers of your business associates, family and friends.

All you do is export your email contact information to a .CSV file, import into Secure Address Book and then CLEAR your Windows Address Book.
When you have completed these steps, your computer cannot be used to forward email viruses and worms.
Accessing your email contacts is easy and Secure Address Book interfaces with any email client that supports Internet mailto protocol RFC 821 and RFC 822.

The product has a 10 day free trial / evaluation period and the author provides technical support for anyone downloading using the product by email and / or telephone.(you pay for the call.)