To add names from e-mail messages

You can set up Outlook Express so that when you reply to messages, the people you reply to are automatically added to your address book. Or, any time you send a message in Outlook Express, you can add the recipient's name to your address book.

To add all message recipients (replies only) to your address book
  1. In Outlook Express, click the Tools menu, and then click Options.
  2. On the General tab, select the option Automatically put people I reply to in my Address Book.
To add an individual name to your address book from Outlook Express