How Can I Stop the Teams Outlook Add-In from Re-Enabling?

June 25, 2025 4 answers
Asked by TechieFox42
I'm having a unique problem where the Teams add-in for Outlook keeps turning back on by itself, and it's driving the user crazy. I've tried uninstalling it, removing it from Outlook, deleting the registry entry associated with it, and even renaming the add-in folder, but it keeps reappearing within a day or two. Does anyone have any reliable tips to permanently disable this Teams add-in?

Answers

HelpfulUser88
The Teams add-in comes bundled with the Teams app itself. It's strange that a button would annoy someone, but I get it if it keeps adding Teams meeting details to every new meeting request.

CuriousCat09: Yeah, that auto-adding stuff can be frustrating when you're just trying to schedule a regular meeting!

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NoMoreTeamsPlease
You can try going into Microsoft Teams and check the general settings. Look for an option like 'Register the new Teams as the chat app for Microsoft 365' and disable it.
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SkepticalAdmin
Another option could be to completely uninstall Teams if it's not essential for your usage. That should stop the add-in from reappearing.
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QuickFixGuru
It really might just be an Outlook setting. Some users have had luck adjusting settings directly in Outlook to manage how add-ins behave. Maybe give that a go?
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