Choose People to open the Participants pane if it's not open by default.
Then choose the Participant Actions button.
Choose the Actions menu, and then choose an option:
- Mute Audience to eliminiate background noise.
- No Meeting IM to block chat.
- No Attendee Video to block video (Presenters still can use it).
- Hide Names to hide the names on the pictures.
- Everyone an Attendee if you have too many presents.
- Invite by email to send email invitations to additional people.
In the Participants pane, right-click a person's name and use the options
to mute, unmute, make presenter/attendee, or remove them from the meeting.