In order to repair the PST file one must use Inbox Repair Tool, Step by step guide about how to repair pst file using scanpst.exe and where to find it can be found here . If PST file still shows error then you can also try some third party like Outlook Pst Recovery software which recovers corrupted Outlook PST files as well as to recover deleted data from the existing MS Outlook data files. It is much capable of restoring all PST items such as notes, tasks, emails, drafts, attachments, contacts, calendars, journal and all other items in PST.