Thanks for visiting our forum. Microsoft Teams tag is mainly focused on the general issue of Microsoft Teams application troubleshooting. According to your description, this seems to be a problem with Outlook. The following recommendations are for informational purposes only.
According to the official documentation I found, to untrack the associated email or appointment. Next to Tracked regarding, select More commands > Untrack.
For more details, you could refer to: Link and track an email or appointment to a specific row in your app.
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