Try running the SARA tool. It worked for us few times. Hopefully it works for you. You can download it from the below link.
Outlook keeps disabling the Teams Plug-in
Steve R
26
Reputation points
Been using Office 365 for about a year now and Outlook's favorite dirty trick is to declare the Teams plug in unworthy and disable it when Outlook loads. Makes it a real PITA to schedule a Teams meeting. I'm open to suggestions. Thanks!
8 answers
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Gavin Blagden 1 Reputation point
2022-05-19T15:03:38.177+00:00 Very helpful MicahAmstutz-3336 thank you!
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Carl Green (SiS) 1 Reputation point
2022-05-23T12:37:18.2+00:00 Should be able to keep Teams enabled always with these KB's
https://www.techhit.com/how-to/prevent-outlook-from-disabling-add-in/