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. clear Outlook credentials manager 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

• Then, you can move the recovered items to your new Personal Folders (.pst) file.
• To start the Inbox Repair tool manually, locate one of the folders by using Microsoft Windows Explorer, and then double-click the Scanpst.exe file.
• 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.
• Optionally, you can try to recover additional repaired items from the backup personal folder.
• Therefore, structures such as BTrees and reference counts, are checked and repaired as necessary.
• Safe Mode allows you to start Outlook with all extensions temporarily disabled.
• It automatically detects corrupted data files, fixes profile errors, and reconfigures Outlook to restore connectivity with Office 365.

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 Fix Outlook and Office 365 Errors 2025 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

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 (

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 flush DNS and re-sync Outlook Folders (.pst) file.