Occasional Contributor

I've recently installed microsoft teams in my debian machine. Although I prefer to use all libre software, I've to install msteams in order to talk in college.

But now i am worried,

 

How to really disable sending data to microsoft in msteam? [ For real, not even a bit about me]

 

I do not want any US government or NSA , looking or tracking at me every time.

I've although disabled sending data to microsoft, but I don't believe in anyone either when it comes to privacy, 

Help!!

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