If ScanPST determines that a specific block of the structure or table is unreadable or corrupted, ScanPST removes it. If that block was part of a specific item in Outlook, the item will be removed when it is validated. For instructions about how to unhide files and folders, see your operating system documentation. This probably doesn’t help, unless it saves you time by preventing you from looking in the wrong direction. I’ve got a user with a very large 3gb PST file, which has become corrupted. You may not expect this behavior, but the removal of the item is appropriate given the circumstance

This ensures smoother delivery even during repair PST file Without data loss network drops. Navigate to Send/Receive → Work Offline and toggle it. If Outlook reconnects successfully, the OST issue was likely caused by temporary disconnection from Office 365 servers.

If your Outlook OST file isn’t syncing properly with Office 365, you’re not alone. Thousands of users face corrupted OST files, sync errors, and missing mailbox data after system updates or unexpected shutdowns. 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 inbox isn’t refreshing automatically, leaving you waiting for new messages, you’re not alone. Many Microsoft 365 and Outlook users experience email synchronization problems caused by outdated cache, network delays, or improper settings. Here’s a complete 2025 guide to get your mailbox updating in real time again.


If memory serves me right, modern auth with 2fa, and being a GA and using the account for outlook are known for issues. So, it looks like the version of Outlook that I have won’t play nice with Modern Authentication. I have confirmed that on two different PCs that are accessing the same mailbox with the same version of Outlook, which is the latest version from Microsoft included within my Office 365 packag

Press Windows + R key, type ‘Outlook.exe /safe’ in the Run window, and click the OK button or press the Enter key. If the issue is resolved, try disabling the add-ins as there could be faulty or incompatible add-ins causing the problem. Restart Outlook normally to check if the issues or errors you encountered are resolved. Then click on Add to create a new profile and fill account details and Outlook will recreate Outlook profile.


Repairing these files is crucial to recover lost or inaccessible email data. To repair a PST file, use a specialized tool like Shoviv Outlook PST Repair. This tool scans and fixes corruption issues, restoring the integrity of the PST file. The software also repair password protected PST file and recover data successfully. In the Folder Pane, you might see a folder named Recovered Personal Folders that contains your default Outlook folders or a Lost and Found folder. Although the repair process might recreate some of the folders, they may be empt


This Outlook PST repair tool not only recovers data from damaged PST but also helps save the mailbox data in a quick and organized way to a new PST file, thereby reducing further chances of data loss. Users can use the Shoviv Outlook PST Repair Tool to effectively repair their Outlook PST files and resolve damaged Outlook profiles. This solution smoothly works for all Outlook versions of data files, like Outlook 2003, 2007, 2010, 2013, 2016, 2019 or 202


Some repair PST file Without data loss users on macOS 10.14 have experienced issues logging back into Mac Mail after Modern Auth is applied to their accounts. Specifically, after successfully responding to the Duo prompt, the pop-up window will remain blank except for a spinning icon and never finish adding the account to the application. This issue has been resolved by having users connect to the UO VPN when initially setting up their account with Mac Mai


If you have an issue that's not listed in this article, go to the following Microsoft TechNet wiki page. The wiki page lists other known issues and workarounds. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the "Report Abuse" option. To add your Exchange Online email account to Outlook, use either of the following resolution


Moreover, it is known for its fast repair speed and accurate recovery of all corrupted data from the Outlook PST file. In addition, users who can access their email accounts in Outlook may experience the following issues, indicating the onset of possible corruption in the Outlook profile or damaged PST file. The above solutions are easy for all users to repair, rebuild, or recreate Outlook Profile for Office 365 or Exchange account


Users can easily understand the process, as the solutions explained in this blog are simple and reliable. If the Inbox Repair tool has failed to repair the PST file, it means that the file is large (larger than 2 GB) or severely damaged. In this post, we have discussed the steps to repair a corrupt or damaged profile in Outlook 2021, 2019, 2016, 2013, 2010, 2007, and Office 365. We have also mentioned some tips on how to further troubleshoot and fix the issues with Outloo