Really a good application to repair corrupt PST file and recover deleted items from PST file. I used this tool that helps me in restoring an inaccessible PST files into Outlook 2010. Free demo version of tool is available for trial purpose. Some powerful features of software are:
1) Repair PST file in deep corruption cases
2) Recover deleted emails, contacts and other items
3) Export data into PST, EML and MSG file formats
4) Split large Outlook data files into smaller files