OIT Home > OIT Knowledge Base Search Knowledge Base: How do I add a Resource Mailbox room or equipment to a meeting in Outlook 2011? In order to see newly added Users or Rooms, you may need to manually update the Global Address List (GAL). In Outlook 2011, go to the Calendar. Click the New Meeting button on the Home ribbon. You can search for a Room by selecting the Scheduling Assistant or the Search for Rooms icon at the end of the Location box. Room: You must search for the room name to see the list of available rooms. Equipment: Change the Meeting Rooms drop down to All Equipment. You must search for the Equipment name to see the list of available equipment. To add the Room/Equipment:Room: Select Add to Meeting OR to just see the availability of the Room/Equipment, select Check Availability.Equipment: Select the Resource button to add the resource. Use the scheduling slider to see the availability of the Room/Equipment and send your invite. Need more help?