How to create an E-mail Merge using Microsoft Outlook 2007 *Note: Unlike earlier versions of Outlook, Word is the only editor in Outlook 2007 (by default). 1. Open up Word 2007. Create a new e-mail message in Word. Now you are ready to begin the merge by selecting the “Mailings” tab in the ribbon. 2. In the “Start Mail Merge” grouping, click on the “Start Mail Merge” button. It will show a list of mail merge options available. You can choose Letters, E-Mail Messages, Envelopes, Labels or Directory. In this case as we want to send an email… click on “E-Mail Messages” 3.