If you want to
repair Outlook PST file, then use the scanpst.exe software. It is a free software and located in your MS Office folder. It repairs PST file and rebuilds Outlook database. In case, you are unable to repair PST file with this software, then use a professional software like RecoveryFix for Outlook. It repairs PST file error without any hassle. Read more
http://www.pstfiles.org/