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. To narrow it down, enable each add-in one by one, restarting Outlook after enabling each add-in. You need to repeat this process until you identify the add-in that causes Outlook to crash. Once you find it, remove it from Outlook by selecting it and then clicking the "Remove" button. Is the classic Outlook email client crashing when you create or open a new email?

Outlook Keeps Crashing After Opening – Resolved

This step creates detailed information about your Outlook configuration and provides solutions for any known issues that are detected. It also gives you the option to upload your results to Microsoft so that a support engineer can review them. Once the repair process is complete, restart your device and check if the issue is resolved. KB , the latest security update for Office 2016, has sparked frustration among Windows users as it introduces a host of unexpected issues.

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, Repair Office 365 installation errors 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.

Repair Your MS Outlook Account

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.

Is Microsoft having a problem with Outlook?

Fix 4: Run Outlook Diagnostics

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

An outdated version can also be a cause of why Outlook keeps crashing unexpectedly.

There could be many more solutions to this Outlook problem because the causes are diverse.

Shivam is a digital marketer and technical content writer at DRS Solution®, specializing in topics like databases, email recovery, and migration solutions.

But before doing so, open Task Manager, right-click Outlook and any other Office applications running in the background and select "End Task."

Additionally, if the issue causes PST file corruption, use the suggested software for better results.

Microsoft rolled out this patch on Patch Tuesday alongside updates for Windows 10 and 11, yet while... The Outlook PST file is a centralized storage location for your digital files. When it becomes corrupted or damaged, you risk losing data in Outlook. One of the best methods to fix it is to use Wondershare's Repairit for Email tool.

The most common problem users encounter when accessing their email accounts in Outlook is "Outlook 365 crashing". In most cases, the issue is caused by incompatible or faulty add-ins. This article discusses some methods for resolving Outlook 365 keep crashing issues. Hopefully, one of these solutions worked for you, and Outlook is now stable and operating normally. At the time of writing, Microsoft is still investigating the issue.

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Pub: 19 Nov 2025 14:23 UTC

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