Disable team chat for the whole organization

@alargyriou 

Account Settings > team Chat
You may want to turn off  "Enable Personal Chat in Team Chat window"

@Ohkawa  Thanks for your reply. Unfortunately, this disables only the personal chat (your own notes). I am asking how an admin can disable the whole Team Chat Window. In other words, how to disable the ability for users to use the Team Chat in general. 

Ohkawa was close.  It's Account Settings > Team Chat, use the Security Navigation.  "Allow users to chat with others."  Disable that.  You can lock it too so that groups cannot enable it.

Sign in to the Zoom web portal as an admin with the privilege to edit account settings.

In the navigation menu, click Account Management then Account Settings.

Click the Meeting tab.

Under In Meeting (Basic), click the Meeting chat toggle to enable or disable it.

Yes, you can disable team chat for the entire organization through your admin settings in platforms like Microsoft Teams or Google Workspace. Configure messaging policies or disable chat features to restrict access for all users. Consult your platform's admin documentation for detailed steps.

To disable Microsoft Teams chat for the entire organization, use the Teams Admin Center or PowerShell. In the Teams Admin Center, create a messaging policy with chat disabled and assign it to all users. Alternatively, use PowerShell to disable chat organization-wide by modifying user policies.