Ok I've been dealing with this problem for months. For some reason I cannot see ANY of my contacts or calendar entries. If I put in a contact my contact list is blank. If I search for a name, the name will appear but only when I search for it, otherwise all my contacts are blank. If I make a calendar entry, my calendar come up blank BUT the reminder does pop up and show what I entered. I am completely baffled. Things I have tried

1. Import another set of contacts and they will all show until I close contacts. Once i open it back up, BLANK.  If I do a search, all the duplicate contacts for that name show up that I have imported. erase the name out of the search and no contacts in my list. Search only works but i need to know the name.

2. I have rebuilt Outlook several times, no avail

3. It been such a long time ago but I think I have deleted Outlook 2011 and reinstalled and still not calendar or contacts. 

My email works fine, thank you