If someone is currently available on Teams, you'll see a green circle with a check mark next to their profile picture.
To see who on a team is online right now, go to the team name and click More options 
> Manage team > Members. Everyone who's online right now has the green circle with a check mark next to their name.
You'll see a green circle with a check mark next to the profile picture of the people who are online.
To see who on a team is online right now, tap More options 
next to the team name and select View members. Everyone who's online right now has the green circle and a check mark next to their picture.
You'll see a green circle with a check mark next to the profile picture of the people who are online.
To see who on a team is online right now, tap More options 
next to the team name and select View members. Everyone who's online right now has the green circle and a check mark next to their picture.
