The User has created extra folders under their Contacts folder in outlook, but can't select the email addresses of people in the new folder when sending email.
You can create folders with contacts in them, but they won't show up in the email address book list when you send an email.
You need to do the following:-
- Go to your Contacts area in Outlook.
- Right-click on the relevant contacts folder under 'My Contacts' and go to 'Properties'
- In the box which appears, select the Outlook Address Book tab and put a tick in the 'Show this folder as an Email Address Book' checkbox.
This folder will now be accessible when selecting email addresses.