hello

can you please advise 

using outlook for mac 2011, version 14. 2. 5
OS X, version 10.8.2

Have 14 emails in my inbox
but software say there is 33
The 19 are in there but invisible 
If i click on on it shows as a blue panel
I cannot delete them

Also

it is showing some duplicates as well i.e.

email 1  is at the top of the inbox window
and also appearing at the bottom, bit underneath the invisable ones


Please help if you can