For instructions about how to unhide files and folders, see your operating system documentation. For persistent issues, use FixTechGuide’s automated tools to perform deep diagnostics and security checks. Stay updated, back up regularly, and enjoy uninterrupted productivity in your Outlook workspace. When Outlook is not working, or Outlook keeps crashing pondering upon the cause won’t be of use unless it is a regular issue. I would encourage readers to fix it by trying Fix Outlook and Office365 Sync Issues the solutions in this article. While carrying out the above methods it is advisable to close Outlook beforehand.

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

• The recipient display properties are changed to be consistent with the recovered recipient table.
• In this 2025 guide, we’ll show you how to repair the Outlook OST file and restore seamless email performance without losing important data.
• If Outlook is unresponsive, not opening, or is crashing without any morning you can repair using the tried and tested methods provided here.
• If your Outlook suddenly stopped opening after a Windows update, don’t panic.
• While carrying out the above methods it is advisable to close Outlook beforehand.

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

Can I delete my OST file without losing data?

If all the above methods were unsuccessful, you could take a closer look at the Outlook data file instead. If that does not work you can try using SFWare PST repair software. The last option in this list is to repair the Outlook data file.

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

If it does not work, then unfortunately, you will be unable to recover any additional information. If you could open the file, the following procedure may help you recover additional items from your damaged Personal Folders (.pst) file. If you can't start the Inbox Repair tool automatically or manually, you may try to repair your Office application.

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 Fix Outlook and Office 365 Errors 2025 not alone. Many users encounter startup freezes, profile loading loops, and crashes following major Windows patches or Office updates.