Outlook inbox error

Question

Hi. I am just wondering if anyone has come across this problem with a user in browser version of Outlook. When clicking on an email in the inbox, it will not open and instead it shows this error. There is no problem with the internet connection as all other systems are working. I have tried closing outlook and reopening, clearing cache, restarting computer, deleting user account, and removing license and re-adding. I'm a bit stumped

Answer 1

Hi @S Swallow,

Thank you for sharing the issue so clearly, along with the troubleshooting steps you’ve already tried. To help narrow things down a bit further, could I check a few additional details with you?

• Does the issue happen with all emails, or only certain ones in the inbox?
• Have you had a chance to try opening Outlook in an InPrivate/Incognito window to rule out extension-related factors?
• Does the same behavior occur if accessing Outlook via a different browser?

I also noticed that your post is tagged under Outlook on the web for business, so just wanted to kindly reconfirm: Are you using a Microsoft 365 Business account (provided by an organization or school), or a personal Microsoft account?

If this is a work account, it would also be helpful to know whether any other users in your organization are experiencing the same issue.

Whenever you have a moment, feel free to leave a comment under this post. That will help me understand the situation more clearly and point you toward the most relevant next steps.

Thanks again, and I look forward to hearing from you

---

Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.