To send an e-mail message (entering the address automatically from the address book)

On the toolbar of Outlook Express, click the New Mail button.

To enter an e-mail name from the Address Book, click the book icon in the New Message window next to To:,

and then Double-click a name in the, err, Name column..

The addresee appears in the Message recipients: window

The addresee appears in the To: field of the New Message window, and that's it! You can start typing your message, as normal.

After typing your message, click the Send button on the New Message toolbar.