Lock the meeting
The lock button in the room header stops anyone new from joining with the link. People already in the meeting stay. Press it again to unlock. It’s the simplest way to make a meeting invitation-only once everyone has arrived.Remove a guest
Hover a guest’s tile and press the remove button (on phones it’s always shown). They’re disconnected right away. Because anyone with the link can join again, the confirmation offers to lock the meeting at the same time — leave that ticked to keep them out.Remove a document
In the Docs tab, the host can remove any document from the shared pool with the trash icon.Free-meeting limits
In the last five minutes of a free meeting, everyone sees a countdown; the host’s banner has a
Turn on Kai button. Turning Kai on — even briefly — unlocks that meeting for good. When a free
meeting reaches 40 minutes it ends for everyone, and the link stops working for it.