Can anyone join a meeting if I know the meeting ID in Zoom App?

You can participate.
However, it is possible to limit the number of participants by setting a password or specifying a domain for the meeting at the organizer.

 

Q/A

 

How many participants can be displayed on one screen?
How many people can be connected to one meeting at the same time?
Do I need to purchase dedicated equipment to use Zoom Meetings?
Is it necessary to review the WAN and LAN when using Zoom?
Can I always hold a meeting with the same meeting ID?
The free license disconnects the meeting in 40 minutes. At what point does the time count start?
Can I join a meeting without installing the application?