How to add new account to teams app

- How to add account to teams app
- How to add another account to teams app
- How to add another account to teams desktop app
- How to add new account in teams desktop app
- How to add guest account to teams app
- How to add second account to teams app
- How to add an account to teams desktop app
- How to add new teams app to desktop
- How to add another account to microsoft teams app