Hi
If the Outlook PST problem is not solved with Inbox Repair Tool, then first check that the steps are followed easily, and if not then check the following steps to repair Outlook PST File with ScanPST.exe
Go to the location where Outlook is installed, now browse to the folder for ScanPST.exe
Open the Inbox Repair Tool
Add the corrupt PST file in the tool and click on Scan
The scanning process will begin and it will show the errors in PST
Click on the button 'Repair' to fix PST errors
Now, the PST file will be repaired
If not then scan the PST file again and do it 2 or 3 times to get optimal results