You can also try a free 3rd part tool called Advanced Outlook Repair.
You
can also download a free demo version at http://www.datanumen.com/aor/aor.exe
.. I think it is a useful repair tool for you. It is easy to recover
your PST file by using its wizard. It is a powerful tool to recover
messages, folders and other objects from corrupt or damaged Microsoft
Outlook PST files.

Detailed information about Advanced Outlook Repair can be found at
http://www.datanumen.com/aor/


Wangdong