05-22-2026, 11:14 AM
You can manually repair a corrupted OST file using Outlookâs built-in ScanPST utility or recreate the OST file by re-syncing the mailbox with the Exchange server. This method works only for minor corruption issues and accessible Outlook profiles.
Steps to Fix a Corrupted OST File:
Important Notes:
Steps to Fix a Corrupted OST File:
- Close Microsoft Outlook on your system.
- Locate the ScanPST.exe tool on your computer.
- Open the ScanPST utility.
- Browse and select the corrupted OST file.
- Click on the Start button to scan the file.
- Review the detected errors.
- Click Repair to fix the OST file issues.
- Restart Outlook after the repair process completes.
Important Notes:
- ScanPST works only for minor OST corruption issues.
- Severely damaged or orphaned OST files may not be repaired manually.
- Using BLR OST Recovery or OST to PST Converter tool is recommended for complete data recovery.