You can go through the following Microsoft Live Support link to Recovering a deleted mail in Outlook.

For more detailed Information,

Check this link.. and you can also have live CHAT with the Microsoft certified agent to clarify your problem ..

This link is related to your Query..

i think this link will give you a solution to your answer..

http://www.microsoftlivesupport.com/blog/index.php?controller=post&action=view&id_post=32