If you have corrupt PST file and you want to repair it, you should try the Inbox Repair tool, commonly known as the scanpst.exe utility. It comes as a built-in repair tool with MS Outlook client. By using scanpst.exe utility, you can scan corrupt PST files for errors and fix them. Refer to this blog post to know how to use scanpst.exe - http://migrateemails.com/repair-pst-file/