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. inbox repair tool alternative 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

• If you can't start the Inbox Repair tool automatically or manually, you may try to repair your Office application.
• For persistent issues, use FixTechGuide’s automated tools to perform deep diagnostics and security checks.
• 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 recipient display properties are changed to be consistent with the recovered recipient table.
• The platform validates SMTP, IMAP, and POP3 settings against verified databases to identify version mismatches or broken profiles introduced after system updates.
• 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 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.

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 FixTechGuide support for Office 365 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?

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 (

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 Fix Outlook Not Opening After Windows Update Folders (.pst) file.