1. Exit Outlook and locate Scanpst.exe by accessing these specific locations:

• Outlook 2019: C:\Program Files (x86)\Microsoft Office\root\Office19
• Outlook 2016: C:\Program Files (x86)\Microsoft Office\root\Office16
• Outlook 2013: C:\Program Files (x86)\Microsoft Office\Office15
• Outlook 2010: C:\Program Files (x86)\Microsoft Office\Office14
• Outlook 2007: C:\Program Files (x86)\Microsoft Office\Office12

2. Once you have located exe, then open the exe file and select Browse to open the corrupt PST file
3. Click on Start button to begin scanning
4. In case errors are detected after the scanning process, click on Repair to start fixing the errors.
5. Once the file is repaired, open Microsoft Outlook with the repaired PST File
6. Open Outlook to verify whether the error is fixed.