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 Outlook Profile Online 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.
• Thousands of users face corrupted OST files, sync errors, and missing mailbox data after system updates or unexpected shutdowns.
• 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.
• It’s harmless and resolves 30% of stuck startup issues according to Microsoft community reports.

Therefore, structures such as BTrees and reference counts, are checked and repaired as necessary. These low-level objects have no knowledge of the upper-level structures, such as messages, calendar items, and so on, that are built upon them. After you run the Inbox Repair tool, you can start Outlook and recover repaired items. Optionally, you can try to recover additional repaired items from the backup personal folder. Solutions like opening Outlook in safe mode, Fix Outlook Not Opening After Windows Update fixing Outlook profile, and Repairing Outlook using Microsoft Office using the in-built tool.

Can I delete my OST file without losing data?

Opening Outlook in safe mode means that the application will only open all the necessary files to start the applications. In this article, we will teach our readers how to repair outlook with proven methods. If Outlook is unresponsive, not opening, or is crashing without any morning you can repair using the tried and tested methods provided here. If you could not open your original Personal Folders (.pst) file before you ran Inbox Repair Tool, the following procedures may not work.

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 mailbox not updating on IMAP not alone. Many users encounter startup freezes, profile loading loops, and crashes following major Windows patches or Office updates.