Introduction:

Adding contact information to Global Address Book in Office 2013 can be retrieved later from any login location.

Requirements:

An Outlook Web Access account.

Procedure:

Log into the Outlook Web App with your email and password.
OWA login page. Click on the gear icon and click on the options.

Under My Account click “edit information:”

Update the field you would like changed and click the save button. This information will propagate in the Global Address Book.