How to repair corrupt outlook.ost file?

[peterparker]

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Read More - Repair corrupt Outlook.OST file

[Akshay_M]

To repair a corrupt Outlook OST (Offline Storage Table) file, you can follow these steps:

1. Exit Outlook: Close the Outlook application to ensure that the OST file is not in use.

2. Run ScanOST.exe or Inbox Repair Tool (ScanPST.exe):
   a. Locate the ScanOST.exe or ScanPST.exe tool on your computer. The location varies depending on your Outlook version and installation.
   b. Double-click on the tool to launch it.
   c. In the tool's interface, browse to the location of your corrupt OST file.
   d. Click on the "Start" or "Repair" button to begin the scanning and repair process.
   e. The tool will analyze the OST file for errors and attempt to fix any issues it encounters.

3. Monitor the Repair Process: The scanning and repair process may take some time, depending on the size of your OST file and the level of corruption. Monitor the progress displayed by the tool.

4. Review Repair Results: Once the repair process is complete, the tool will display a summary of the repairs performed. Review the results to see if any issues were detected and fixed.

5. Reopen Outlook: After the repair process, launch Outlook and allow it to synchronize with the repaired OST file. Check if the OST file is now accessible and functioning correctly.

If the built-in ScanOST.exe or ScanPST.exe tool does not resolve the issue or if it is unable to repair the corrupt OST file, you can try alternative solutions:

- Use a Third-Party OST Recovery Tool: There are various third-party OST recovery tools available that specialize in repairing and recovering data from corrupt OST files. Research and select a reputable tool that suits your requirements.

- Recreate the OST File: If the OST file is severely damaged and cannot be repaired, you can try deleting the existing OST file and letting Outlook recreate a new one. However, keep in mind that this method will only synchronize data from the Exchange server and any locally cached data will be lost.

It's recommended to create regular backups of your Outlook data to avoid data loss in case of corruption. If you have a backup of your OST file, you can restore it to a previous state and avoid the need for repair.

If you are uncertain about performing the repair process yourself or if you have important data in the OST file, it's advisable to seek assistance from a professional IT technician or contact Microsoft Support for guidance specific to your situation.