Start classic Outlook in safe modeIn Windows 10, click Start.Type Outlook /safe, in the Search programs and files and then click OK.Close and re-open Outlook.If the issue is resolved, you can keep working, or if you have time, take the following steps to find out what COM Add-in is causing the problem.

If you can open the original Outlook Data File, you might be able to recover additional items. The Inbox Repair tool creates a backup file with the same name as the original, but with a .bak extension, Repair Outlook Data File and saves it in the same folder. There may be items in the backup file that you might be able to recover that the Inbox Repair tool couldn't. In this guide, we will mention the common reasons behind the Outlook PST file corruption and the methods to repair corrupt Outlook PST file with complete integrity and precision.

If Outlook works fine now, you know one of those add-ins was the problem. Next, you can go back and turn them on one at a time. So, it will be helpful to find out which one caused the issue. In short, even small things can make Outlook stop working.

This issue has been mitigated and we are continuing to monitor the issue to ensure stability. The root cause was the deployment of an incorrect campaign data file, which led to false positive campaign detection. We have since reverted to the right data file and the outbound email flow has returned to a normal state. We also released a Repair Outlook Data File new rule that corrected the wrong campaign verdict for all impacted customers during the incident. You might need to set Windows Update to automatically download and install recommended updates.

You can automatically repair your Office program files to resolve such problems as Outlook freezing or not responding. To manage your mailbox by reducing the size of the Outlook data file, see Reduce the size of Outlook Data Files (.pst and .ost). Many of these items can be automatically checked by the Classic Outlook Advanced Diagnostics troubleshooter.

After you've moved all the items, you can remove the Recovered Personal Folders (.pst) file, including the Lost and Found folder. To create a new Outlook Data File, go to Create an Outlook Data File. 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 empty. The Lost and Found folder contains any folders and items recovered by the repair tool that Outlook can't place in their original structure. You can use the Inbox Repair tool (SCANPST.EXE) to diagnose and repair errors in your Outlook data file.

Most of these crashes come down to one thing – problematic data files. When they get too large, go corrupt, or are poorly configured, things start to break. You can use the Inbox Repair tool (SCANPST.EXE) to diagnose and repair errors in your Outlook data file. The Inbox Repair tool checks the Outlook data files on your computer to see if they're in good shape.

Besides that, its free edition can process up to 50 items from each folder, making it easy for users to understand tool’s Repair Outlook Data File working. We have shared everything on the manual and professional ways to fix Outlook data files or Personal Storage Table (PST) in this blog. Also, we go over the stepwise working procedure of both solutions and the reasons behind PST file corruption issues. The Inbox Repair tool or ScanPST.exe is not a convenient way because of multiple restrictions. After you run the Inbox Repair tool, you can start Outlook and recover repaired items.

You can create a new Outlook Data File and drag the items in the Lost and Found folder into the new data file. After you've moved all the items, you can remove the Recovered Personal Folders (.pst) file, including the Lost and Found folder. Once your task is done of locating the ScanPST.exe tool, kindly head to follow the below-given steps to fix Outlook data files (PST). Users now should be mindful of the common causes why users need to fix Outlook data files (PST).

A more general version that can also fix Office, Microsoft 365, and other Outlook problems can be found here. Currently, you can't use Outlook on Windows to edit calendars that are shared with your Outlook.com account, even if you've reconnected your Outlook.com account to Outlook. We're working to make it possible to edit shared calendars in Outlook 2016 for Windows. We are aware that some users may not be able to receive email from Gmail accounts.

If you are still facing the same issue, it means your PST file is damaged. If you want to repair your corrupted PST file, opt for the Cigati PST Repair Tool. It will recover the corruption from your desired PST files.

User profiles help make sure that your personal preferences are used when you log on to Windows. If your antivirus software includes integration with Outlook, you may experience performance issues. You can disable all Outlook integration within the antivirus software. Or, you can disable any Repair Outlook Data File antivirus software add-ins that are installed in Outlook.