1.       In Outlook 2010, click the File tab.

2.       Click Open and then click Open Outlook Data File.

3.       Navigate to the U Drive Outlook Folder (U:\outlook\ )
4. Open the .pst file to import (archive.pst) and then click Ok.

You’re done! 

It might be fun to rename the PST file with your name and the date so that it is easier to find.