Re instalar adding microsoft Teams en outlook

 https://learn.microsoft.com/en-us/answers/questions/5514779/how-to-reinstall-microsoft-teams-add-in-for-outloo

%SystemRoot%\System32\regsvr32.exe /n /i:user "C:\Users\xxxx\AppData\Local\Microsoft\TeamsMeetingAdd-in\1.26.11802\x64\\Microsoft.Teams.AddinLoader.dll"