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. 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.
Solved: "Microsoft Outlook Keeps Crashing" Error in 2025
What is the reason for crash Outlook?
The Classic FixTechGuide Office login guide Outlook Advanced Diagnostis troubleshooter generates a detailed classic Outlook configuration report.
Create a new Outlook profile
Additionally, you can try the free trial tool to learn all about its functionalities and workings as well. Nevertheless, you cannot save the recovered data when using the demo tool. For that, purchase the premium version of the software. Running the latest version of Outlook ensures you have the most recent fixes and updates. An outdated version can also be a cause of why Outlook keeps crashing unexpectedly.
Way 2: Open Outlook by Safe Mode and Disable Additional Add-Ins
However, if the problem persists, you can try the following solutions. 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. We often install Add-ins in Outlook to enhance Outlook’s functionality.
Step 2: Repair Office
We’re getting reports on that here at my service desk also. Once the file is re-written, relaunch the apps and everything is stable. The only other change to the Exchange Server was a certificate update for IIS. This is a standard DigiCert wildcard cert that we have replaced every year with no issues. 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.
- Run the classic Outlook advanced diagnostic troubleshooter if you've tried all of the preceding steps and Outlook is still crashing or hanging.
- We had the same issue today (Windows Server 2016 RDS + Microsoft Office 365 Apps for Enterprise).
- I just restored my PC to before the patches and then turned off updates with WUB.
- The classic Outlook will most likely stop crashing once you have created the FORMS2 folder.
- Has anyone seen this same thing happening, but with not just Outlook, in Office 365?
- It will resolve the Microsoft Outlook crashing issue to some extent.
- Next, open the Run dialog box, type %localappdata%\Microsoft, and press Enter.
The update was released on schedule and successfully resolved the problem. Outlook 2016 freezes when accessing calendar.This happen right after Microsoft Office security patches installed. With the release of the new Outlook app, Microsoft has begun to shift its focus away from the classic Outlook. The classic Outlook will most likely stop crashing once you have created the FORMS2 folder.
KB , the latest security update for Office 2016, has sparked frustration among Windows users as it introduces a host of unexpected issues. Microsoft rolled out this patch on Patch Tuesday alongside updates for Windows 10 and 11, yet while... I removed and re-installed, specifying an older version on the Monthly channel in the ODT, and things were fine, then overnight they reverted back to Current and re-updated to the borked version. A quick repair, a full repair, even uninstalling, rebooting and installing again didn’t fix the issue.
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. Now, let us move into the solutions to fix the issue of MS Outlook. Has anyone seen this same thing happening, but with not just Outlook, in Office 365?