Rooms vs group messages

You can use a room or a group message in Google Chat to chat with two or more people. To help you decide which to use, the table below describes the differences between group messages and rooms.

  Group messages Rooms
Who can chat After starting the chat, can't add or remove anyone Can add and remove anyone at any time
Conversations Single, unthreaded conversation Multiple, threaded conversations
Message history History can be turned off (messages removed in 24 hours) or turned on (messages follow your organisation's retention policy), subject to the admin's settings. Message history is on and messages are retained according to your organisation's policy
Name List of other members' names, e.g. 'Brenden, Ann, Rosa' Room creator chooses name, e.g. 'Marketing chat'
Notifications Members are notified for every message Users are notified for conversations that they're in or when @mentioned
Leaving Members can't leave but can hide the chat in the sidebar Members can leave and rejoin
Multiple with same users Can't have two group messages with the same set of people Can have two or more rooms with the same set of people
External users Can't include people outside of your organisation Can include people outside of your organisation (if your organisation allows this)
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