If the problem no longer occurs, it confirms that one of the add-ins that you just disabled was causing the issue. However, we came across many users who are still struggling with this Outlook issue. They still wonder ‘Why is Outlook constantly not responding? ’ So, it is possible that your PST file will get corrupted and you can lose all important data. Or, if the problem is itself due to oversized PST getting corrupt, you need to recover PST data as soon as possible.

Manual Ways to Resolve Microsoft Outlook Crashes When Opening Issue

If the Outlook issue "outlook keeps crashing Windows 10" persists. Perfectly repair and recover corrupted Outlook PST & OST files. The PST files will be repaired and the error will be resolved. It will resolve the Microsoft Outlook crashing issue to some extent. Try steps 1 through 3 in order until the issue is cleared.

Right-click on an empty space, hover over "New" and select "Folder." Name the folder FORMS2. If you receive a prompt indicating that the FORMS2 folder already exists, replace the old FORMS2 folder with the new one. After your account has been repaired, restart Outlook. Check if the problems causing ‘my Outlook keeps shutting down’ persist. Had this issue on my wifes W10 laptop with Outlook 2016 recently.

Possible Solutions to Resolve Microsoft Outlook Keeps Crashing

Until a permanent solution is found, they’ve released a temporary workaround to address the problem. Since the issue is related to the Forms Library, Microsoft has suggested that affected users create a new FORMS2 folder. But before doing so, open Task Manager, Office 365 support guide right-click Outlook and any other Office applications running in the background and select "End Task." Hopefully, now you understand why Outlook keeps crashing and how to fix it.

Drawbacks of the Manual Method

There could be many more solutions to this Outlook problem because the causes are diverse. However, this article will go over the simplest solutions to the Outlook crashing problem. Any previously stated causes could be held responsible for the Outlook closes or crashes issue.

Way 2: Open Outlook by Safe Mode and Disable Additional Add-Ins

For that, we have suggested a reliable PST Recovery Tool. After that, Outlook will check for and install any available updates. Once the Outlook update process is complete, reopen the Outlook application. Again, check if Microsoft Outlook crashes when opening. Run the classic Outlook advanced diagnostic troubleshooter if you've tried all of the preceding steps and Outlook is still crashing or hanging.

What is the reason for crash Outlook?

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Strangely enough, many users started facing the same issue after downloading the version 2504 update, which was released for Outlook for Microsoft 365 at the beginning of June. Microsoft has once again acknowledged the issue, but this time they have also explained the reason behind the crash. Shivam is a digital marketer and technical content writer at DRS Solution®, specializing in topics like databases, email recovery, and migration solutions. She enjoys researching and crafting content that assists database administrators, businesses, and beginners in resolving various issues related to MS SQL, MySQL, and Microsoft Exchange. This should resolve the issue of ‘Outlook keeps crashing’. If not, you can try reinstalling Office 365 or repairing it.

Investigate possible issues caused by add-ins

Therefore, to help you out with this issue, here is a comprehensive guide with some effective troubleshooting solutions.If you go through all of those steps and Outlook is still crashing or not responding, complete step 4 before contacting the Microsoft Community for further help.Run the classic Outlook advanced diagnostic troubleshooter if you've tried all of the preceding steps and Outlook is still crashing or hanging.Now, let us move into the solutions to fix the issue of MS Outlook.It also gives you the option to upload your results to Microsoft so that a support engineer can review them.Or, if the problem is itself due to oversized PST getting corrupt, you need to recover PST data as soon as possible.

This step will show you how disabling the add-ins can help. Generally, many programs and applications run simultaneously or in the background which can cause interruptions. Therefore, first, restart your system, and second, check the internet connection. Follow the given ways along with their steps to fix the error and access your files. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. Next, open the Run dialog box, type %localappdata%\Microsoft, and press Enter.

We have mentioned all manual troubleshooting solutions that you can try one by one. However, before that, you must figure out the real cause of the issue. Later, go for the best solution that suits the cause of the Outlook issue. Additionally, if the issue causes PST file corruption, use the suggested software for better results.