How do I update Outlook Desktop's Offline Global Address List to reflect recent changes?

Note: These steps relate to updating the global address list but Outlook also uses other address lists including your own contacts added. Ensure you also make changes in your own and shared contact lists.

Additionally Outlook has an AutoComplete feature that automatically fills in email addresses in the To, CC and BCC fields when you start typing. If an address is incorrect, select X on the right of the suggested incorrect address to clear it from AutoComplete,