For instructions on sharing calendars, see:

• Using Outlook Wep App (OWA): Sharing calendar and opening calendar(s) that people have shared with you.

• Using Outlook 2010 & 2013 client: Sharing calendar and opening calendar(s) that people have shared with you.

• Using Outlook 2011 client (Mac): Sharing calendar, for opening calendar(s) it is a very similar process as Outlook 2010.