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Opened Dec 26, 2025 by Julie Elston@julieelston24
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Outlook Not Responding solutions for hanging, freezing, crashing

It is a powerful and almighty software that can be applied to fix corrupt Outlook PST files in any scenarios. If you restart it successfully, it will show you that one or more add-ins are defective. Sometimes, extra tools, ‘add-ins’ in Outlook, can make things tricky.

Check the status bar at the bottom of the screen to see if another process is running. If so, wait a short time (usually two or three minutes) to see if Outlook starts working again. You might need to set Windows Update to automatically download and install recommended updates.

You may notice that All, Unread , Mentioned and other sort and filtering options, such as By date, and Newest are missing in Outlook above your email list. Please install the Windows 10 Fall Creators Update to fix this issue. Outlook 2016 freezes when you try to preview an Excel file that's attached to an email. After updating Office, you may experience a brief flashing window every hour, which triggers the OfficeBackgroundHandlerRegistration task to start get Outlook running again running. For more information about when builds are available for their respective channels, go to Update history for Microsoft 365.

Regular backups, staying vigilant for signs of corruption, and knowing when to use the right repair tools are essential practices. In cases of severe corruption, it is recommended to use a professional repair tool like the SysCurve PST Repair Tool. This tool is adept at addressing serious damage that basic repair methods might not fix, efficiently helping to repair corrupt PST files without hassle. This approach is particularly useful when the original PST file is not severely corrupted but has minor issues that prevent normal operation. It can also be used when you can open the PST file but experience errors or issues when accessing certain data within it. PST files are essentially data storage files used by Microsoft Outlook.

If you are using Outlook on a PC, you can check to see what is currently permitted by your computer or try to reset the Credential Manager and remove any old passwords. The Credential Manager is where Windows stores passwords and login information on your computer. It acts as a vault with specific settings and permissions you can adjust. It could be as simple as an out-of-date version of Outlook's software. Once an update has been run on your system, the bug may be rectified.

Users who had been working normally suddenly get Outlook running again received the CAA2000B error / AADSTS (after the token expired). Most Outlook problems can be resolved with proper troubleshooting and maintenance. Following the fixes above will help you keep your Outlook running smoothly and protect your productivity. We hope this guide proves useful in resolving your Outlook problems efficiently. Outlook accounts can have up to 100GB of storage per mailbox.

It may arise get Outlook running again at different times, depending on your platform or device. Some add-ins (or even only one) may be interfering with Outlook, thereby preventing the app from opening. Here's how to disable add-ins to check if they're the problem.

The error message contains the error code and its short description. Most users tend to ignore these error codes,but they actually provide valuable information about the root cause of the problem. Outlook has a location where you can manually add approved email addresses to the get Outlook running again Safe Senders list and ensure they never end up in your junk mail.

So, if you're facing issues with your PST file in Outlook, there's no need to worry. Just keep reading, and by the end of this guide, you'll be equipped with the knowledge to efficiently repair Outlook PST files, ensuring that your Outlook functions smoothly. Other than these,there are many other errors that Outlook users face on a day to day basis. Microsoft provides Inbox Repair Tool to fix the damage in the PST get Outlook running again file but in severe cases,this tool fails to work,this sometimes leads to corruption in Outlook email data file,i.e. It uses the most advanced technology to manage database and help its users managing their day to day work.

If you're tired of different bugs slowing things down or dealing with corrupted files, we are happy to show you how Mailbird can give you a better experience. In typical Microsoft fashion, there are also additional rules for certain older platforms that get Outlook running again will make you feel very confused about 2FA. We'd be remiss to not tell you there are certain accounts (like Xbox 360) that always require 2FA as well as a special app password.

Auto-archive, sending and receiving a very large attachment, or running some of the other mailbox tools can all be done in the background. Check the status bar at the bottom of the screen to see if another process is running. If so, wait a short time (usually two or three minutes) to see if Outlook starts working again. You can also add the secondary connected accounts (Gmail, Yahoo, etc.) in Outlook.com as additional accounts in the Outlook profile. Sometimes when a user tries to search in Outlook, it either returns incomplete results, or returns nothing at all, even if you can see the email normally.

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Reference: julieelston24/outlook-fix-blog8984#14