Microsoft has published certain Guided Walkthroughs helpful for us when working with Exchange, Outlook, Office 365 (o365) etc. to set up mailbox, calendar etc. Very
See MVP Manu Philip‘s article on Outlook 2010 posted on MVP Award Program Blog – MVP Monday Series. http://blogs.msdn.com/b/mvpawardprogram/archive/2012/04/09/use-digital-ids-certificates-to-prove-your-identity-in-outlook-email-transactions.aspx