This command deletes the custom folder views, restoring default configurations. It’s harmless and resolves 30% of stuck startup issues according to Microsoft community reports. Microsoft provides a built-in tool called SCANPST.EXE to scan and repair minor OST corruption. If a Microsoft 365 application such as Word or Excel isn't working correctly, sometimes restarting it will fix the repair PST file without data loss problem. It is located in the folder of your original Personal Folders (.pst) file.

Step 3 - Recover repaired items to a new .pst file

• Many users encounter startup freezes, profile loading loops, and crashes following major Windows patches or Office updates.
• The last option in this list is to repair the Outlook data file.
• This command deletes the custom folder views, restoring default configurations.
• For instructions about how to unhide files and folders, see your operating system documentation.
• Yes ✅ You can connect with our experts on WhatsApp for quick remote support and step-by-step troubleshooting guidance.
• Follow each method carefully, keep your account synced to Office 365, and maintain regular backups to avoid future data loss.
• If your Outlook OST file isn’t syncing properly with Office 365, you’re not alone.
• Opening Outlook in safe mode means that the application will only open all the necessary files to start the applications.

Run a full scan through the dashboard and receive a detailed report on configuration health, certificate status, and network connectivity. This solution inbox repair tool alternative prevents display rendering errors that occur after driver or DirectX updates.

Can I delete my OST file without losing data?

As soon as this operation is complete, other algorithms are run to collect all the orphaned messages and to put them in an Orphans folder. At a higher level, the more visible changes that you see involve folders and messages. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. The built-in Auto-Detect Utility ensures complete privacy—your credentials never leave your device.

Easily Repair Outlook 365 and Outlook 2021, 2019, 2016, 2013, 2010, 2007, & Other Versions

Always close Outlook properly, maintain smaller data files, and use the SCANPST tool or SaRA assistant for preventive maintenance. If errors persist, deleting the OST file or creating a new Outlook profile usually resolves all sync-related issues. It automatically detects corrupted data files, fixes profile errors, and reconfigures Outlook to restore connectivity with Office 365.

Repair Outlook OST File Not Working in Office 365 – Complete Fix (

By the end, you’ll know exactly how to restore your Outlook and prevent future errors. If your Microsoft Outlook won’t open after a recent Windows update, you’re credential loop in Microsoft 365 not alone. Many users encounter startup freezes, profile loading loops, and crashes following major Windows patches or Office updates.