We need to Run the Inbox Repair Tool (scanpst.exe) to repair the outlook PST file.
- Go to "C:\Program Files\Microsoft Office\Office12"
- Double click the scanpst.exe file to open the program.
- Type the path and file name of the PST file, or Click Browse to locate the file.
- Click on the option which says Repair. (Ensure that backup check box is checked)
- This might take sometime depending on the size of the Outlook PST file.
You are done. This will repair most of the errors in PST file. Enjoy..!