1. Public Chat : Instant messaging publicly among meeting members
2. Share Notes : Collaborative note for meeting (Agenda, Minute, etc.)
3. Manage users : Manage all users in the meeting
     3.1 Clear all status icons :
     3.2 Mute all users :
     3.3 Mute all users except presenter
     3.4 Save user names :
     3.5 Lock viewers :
     3.6 Create breakout rooms :
     3.7 Write closed captions:
4. User list : Show all users in the meeting
5. Options : Adjust application behavior
     5.1 Make fullscreen :
     5.2 Settings :
     5.3 About :
     5.4 Help :
     5.5 Keyboard shortcuts :
     5.6 End meeting (Moderator only)
     5.7 Log out
6. Actions :
     6.1 Start a poll:
     6.2 Upload a presentation :
     6.3 Share an external video :
7. Mute/Unmute
8. Join/Leave audio
9. Start/Stop sharing your webcam
10. Start/Stop sharing your screen
11. Annotation tools
12. Download the original presentation

If you found a problem, please look at faq section or contact helpcenter.