Click the New button above the list of email addresses.Click the Email Accounts button in the window that appears.If in Category view, select User Accounts and then Mail(Microsoft Outlook), if in icon view select Mail(Microsoft Outlook).Open Control Panel (search Control Panel from Start).Click the Account Settings button, and select Account Settings from the dropdown.Add the Shared Mailbox to Outlook Via Outlook This article instructs how to add a shared mailbox to Outlook and set it as the default email so the mail merge will send emails from the shared mailbox instead. Microsoft Word's mail merge feature only sends emails from Outlook's default email.
