Two or more users with different logins on the same computer can share the same adress book in Outlook Express.

1. Login as the first user that will be sharing the adress book.
2. Press Start
3. Press "Run..."
4. Type "Regedit"
5. Press OK!
6. Find the key HKEY_CURRENT_USER \Software \ Microsoft\WAB \ WAB4 \ Wab File Name
7. Type the adress in the value "Default" on a piece of paper.
8. Login as the second user that will be sharing the adress book.
9. Press Start
10. Press "Run..."
11. Type "Regedit"
12. Press OK!
13. Find the key HKEY_CURRENT_USER \Software \ Microsoft\WAB \ WAB4 \ Wab File Name
14. Change the value in Default to the same value you wrote down on a piece of paper.
15. Press OK!
16. Possibly login as the third user that will be sharing the adress book.
17. Go to 9