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Add Outlook crash or stop responding when used with Microsoft 365 Exchange Microsoft Learn

Camilla Simpson 2026-01-12 16:40:29 +08:00
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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.
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.
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.
Steps to Fix Microsoft Outlook Crashes When Opening Due to PST Corruption
It looks like Microsoft has acknowledged this [web page](https://anotepad.com/note/read/brpahc24) issue within the M365 Portal (Issue ID MO978220). This should resolve the issue with Microsoft Outlook crashing. Launch the recovery assistant if you've tried everything else and Outlook is still crashing. It also allows you to upload your results to Microsoft for review by a support engineer. Here is the next solution for your Microsoft Outlook keeps crashing on Windows.
Drawbacks of the Manual Method
So, to solve this problem, let's go over the various approaches. According to Microsoft, the problem is occurring because Outlook is unable to open the Forms Library. The support document also notes that, while the problem affects Outlook on all Microsoft 365 official channels, it is most common on virtual desktop infrastructures.
Create a new Outlook profile
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.
Is Microsoft having a problem with Outlook? <br><br>
Create a New Outlook Profile
Scope of impactImpact is specific to some users who are served through the affected infrastructure. Obviously update the client edition and product ID to match your environment but this worked. If this still does not work, try repairing MS Office. Then, select your account and click Open File Location. Though there could be numerous reasons why Outlook crashes or crashes on your PC, you will go over a few problems in this article and show you how to fix each one. Has anyone seen this as well with this months updates.
There could be many more solutions to this Outlook problem because the causes are diverse.We often install Add-ins in Outlook to enhance Outlook’s functionality.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.A quick repair, a full repair, even uninstalling, rebooting and installing again didn’t fix the issue.
Priyanka Kumari is a technical content writer in the fields of Email Migration, Data Recovery, Cloud Migration, and File Management. She is dedicated to simplifying complex technology terminologies for all users. Her articles and guides demonstrate her commitment to streamlining email management for professionals or businesses of any size.
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.