I have Office 365 or something installed on my Mac to use Office tools. A few weeks ago, after a restart, Teams started at login. I’ve never consciously install

I have Office 365 or something installed on my Mac to use Office tools. A few weeks ago, after a restart, Teams started at login. I’ve never consciously installed it and certainly never set it to self launch, but I wonder if I now count as one of those 115m users?