If you are a regular user who depends heavily on the inbox application to perform daily operations, then Outlook not working or opening would be a big punch in the gut. Yes ✅ You can connect with our experts on WhatsApp for quick remote support and step-by-step troubleshooting guidance. fix MFA prompts not working Yes — Outlook will re-sync mailbox data from the server once you relaunch the app, as long as you use an Exchange or Office 365 account. The Inbox Repair tool is automatically installed with all English-language Microsoft Outlook installation options depending on your operating system.

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.
• 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.

Last but not least, you can try to repair Outlook PST files using the ScanPST tool or using a specialized Outlook repair tool. If you Outlook Stuck on Synchronizing Folders cannot import the Newname.pst file into Outlook, unfortunately you have lost all the information that is not in the Lost and Found folder. FixTechGuide’s free email diagnostic tools automate error detection by scanning your configuration files, registry entries, and mail protocols. The platform validates SMTP, IMAP, and POP3 settings against verified databases to identify version mismatches or broken profiles introduced after system updates. A corrupted OST file can pause your business communication, but with these repair steps you can restore your Outlook in minutes.

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 (

You’ll see files ending with ".ost" — these store your cached mailbox data. The steps to access the repair tool vary depending on your operating system. To start, create a new Personal Folders (.pst) file entry in your profile. Then, you can move the recovered items to your new Personal Outlook sync help from FixTechGuide Folders (.pst) file.