To save emails go to:
C: - Documents and Settings - 'Your' Name or logon - Local Settings - Application Data - Identities - {xxx} (varies with user - Microsoft - Outlook Express
Copy the contents of the Outlook Express folder, this gives all email and newsgroup activity.
For Address book go to:
C: - Documents and Settings - 'Your' Name or logon - Application Data - Microsoft - Address Book
Copy the files in the Address Book folder for the contents of your address book