At times, you may need to update your Outlook Address Book to ensure that you have the most current email addresses. This can easily be done by following the steps below.  If, after updating the Address Book, you should receive an Undeliverable message when sending an email to anyone with a Trevor account, please select their name from the Outlook Address Book and resend.

1. Open Outlook

2. On the toolbar click Tools> Send/Receive> Download Address Book…
    
3. Tick (Check)
   1. Download changes since last Send/Receive
   2. Full Details
      
4. Click OK