How do I repair an Outlook 2007 file?

Repair an Outlook data file (. pst) file

1. Exit Outlook and browse to one of the following file locations: …
2. Open SCANPST. …
3. Select Browse to select the Outlook Data File (. …
4. Choose Start to begin the scan.
5. If the scan finds errors, choose Repair to start the process to fix them.