Let’s discuss how to fix Classic Outlook Crashing When Opening Emails from Viva Engage Insights Yammer or Power Automate. Outlook is one of the most popular and trusted email apps available today. It helps users easily manage their emails, contacts, calendar events, and other mailbox items all in one place.
Some users using Outlook LTSC 2019 have found that the app crashes when they try to open emails from Viva Engage, Yammer, Power Automate, and similar Microsoft services. This issue happens only in the classic Outlook (LTSC 2019) version. Other versions like Outlook on the web or the new Outlook app work fine.
We have published a new post highlighting sign-in issues in classic Outlook and Outlook for Mac, where users may encounter errors like CAA2000B, 4usqa, and 49dvs. These errors are mainly linked to login or authentication problems, often caused by disabled services or security policy misconfigurations.
In this post, you’ll find all the important details on how to fix the issue where classic Outlook crashes when opening emails from Viva Engage, Viva Insights, Yammer, or Power Automate. More details are explained in detail below.
Table of Contents
What is the Issue with Outlook?
Classic Outlook crashes when users try to open emails sent from services like Viva Engage, Viva Insights, Yammer, or Power Automate.
How to Fix Classic Outlook Crashing When Opening Emails from Viva Engage Insights Yammer or Power Automate
The Windows Event Viewer logs for these crashes show a consistent pattern in the crash signatures. The faulting application is always OUTLOOK.EXE, and the crash involves an access violation (c0000005) at a specific memory address. The version numbers in the crash logs also help identify the affected builds of Outlook.
| Problem signature | Problem signature |
|---|---|
| P1: OUTLOOK.EXE | P1: OUTLOOK.EXE |
| P2: 16.0.10417.20012 | P2: 16.0.10416.20073 |
| P3: 680eeee0 | P3: 67bcb8f2 |
| P4: OUTLOOK.EXE | P4: OUTLOOK.EXE |
| P5: 16.0.10417.20012 | P5: 16.0.10416.20073 |
| P6: 680eeee0 | P6: 67bcb8f2 |
| P7: c0000005 | P7: c0000005 |
| P8: 000000000031f5ad | P8: 000000000031f5ad |
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- How to Fix Shared Calendar Issues in Classic Outlook for GAL Contacts
- How to Fix Calendar Time Selection Issue in Outlook When Selecting Multiple Calendars and Timeslots
- Outlook for Mac Email Recall Tips for Resending and Fixing Email Errors
Status Update: Issue Under Investigation
The Outlook and related service teams are currently investigating the issue where classic Outlook crashes when opening emails from Viva Engage, Viva Insights, Yammer, and Power Automate. This problem has been escalated for a deeper analysis to identify the root cause.
Workaround: Open Emails in Outlook Web Access or New Outlook
If classic Outlook crashes when you try to open emails from Viva Engage, Viva Insights, Yammer, or Power Automate, there is a simple temporary solution.To avoid the crash, open these emails using Outlook Web Access (OWA) in your browser or switch to the new Outlook app. Both options are more compatible with the modern email formats used by these services and allow you to view the messages without any issues.
Use Outlook Web Access (OWA)
To access the email without crashing Outlook, open your browser and go to https://outlook.office.com. Sign in using your Microsoft 365 account. Once you’re in your inbox, find the email that was causing the issue in classic Outlook. When you open it through Outlook Web Access (OWA), it should display properly without any crashes.
Use the New Outlook
If you are using Windows 10 or 11, you can switch to the new Outlook app as an alternative. You will find it either in the Start menu or as a toggle option within classic Outlook. After launching the new app, sign in using your work or school account. Then, open the email that was causing issues in classic Outlook it should now open smoothly without any crashes.
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Author
Anoop C Nair has been Microsoft MVP for 10 consecutive years from 2015 onwards. He is a Workplace Solution Architect with more than 22+ years of experience in Workplace technologies. He is a Blogger, Speaker, and Local User Group Community leader. His primary focus is on Device Management technologies like SCCM and Intune. He writes about technologies like Intune, SCCM, Windows, Cloud PC, Windows, Entra, Microsoft Security, Career, etc.