How to Invite People to Meetings in Outlook 2013
The Select Attendees and Resources dialog box closes, and the names you chose appear on the Attendee Availability page. If Outlook connects with an Exchange server, the Attendee Availability page also diagrams each person’s schedule so that you can see when everyone has free time.
Depending on how Outlook connects to the Exchange server, it might take a few moments for Outlook to get everyone’s schedule. If Outlook doesn’t connect with an Exchange server, Outlook says that it doesn’t have information about the attendees’ schedules.