If you use this link you will see "forgotten password" below the password box.
If you click on it, it will take you here
Once you have reset it you will need to change it in your email client. (Outlook)
Thanks, Ive tried that. I entered my wifes emaill address but had to use my security details when asked, presumably thats because I am the primary account holder. Still no luck, her email in microsoft outlook still wont log on to mail server (POP3)...