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 crashes or stops responding when used with Office 365

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.

Let us know how it will assist you in repairing your files. For instance, back in April this year, the download for the classic Outlook app broke, as users were unable to download the classic Outlook app in any language other than English. The update was released on schedule and successfully resolved the problem. We often install Add-ins in Outlook to enhance Outlook’s functionality. However, some might be incompatible with your Outlook version and thus, cause conflicts leading to crashes. Therefore, you can try disabling unnecessary add-ins to stabilize Outlook and its workflow.

Use Professional Tool to Stop Microsoft Outlook Keeps Closing

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, homepage 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.

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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 first need to find out which is the faulty add-in by running Outlook in Safe mode. This means Outlook will run with limited features and without any add-ins enabled. A quick repair, a full repair, even uninstalling, rebooting and installing again didn’t fix the issue. On one server I uninstalled all of the recent security patches and rebooted, but no change. Problems with Outlook or MS Office program files can cause such problems.

How to fix Outlook crashing issue?
ProcedureExit Outlook.Open a Run dialog box. ...Type Outlook /safe, and then click OK.If the issue is fixed, click Options on the File menu, and then click Add-Ins.Select COM Add-ins, and then click Go.Click to clear all the check boxes in the list, and then click OK.Restart Outlook.Jun 25, 2025

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.

Dedicated Tool to Resolve Microsoft Outlook Keeps Crashing Without Hassle

Scope of impactImpact is specific to some users who are served through the affected infrastructure.This step creates detailed information about your Outlook configuration and provides solutions for any known issues that are detected.Reverted the update channel to semi-annual until a fix has been provided to avoid any auto-updates.To sum up, the blog elaborated on all the major reasons for Microsoft Outlook keeps crashing problem.Follow the given ways along with their steps to fix the error and access your files.

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.

In this case, you can try repairing or reinstalling Microsoft Office. "My Outlook is crashing!" This ais a common problem that we may encounter while working with Microsoft Outlook? Many users frequently report issues with Microsoft Outlook crashing, regardless of whether the installation is new or old. One common issue with Outlook is that it occasionally closes unexpectedly. To sum up, the blog elaborated on all the major reasons for Microsoft Outlook keeps crashing problem.