When you’re invited to join a space, you can preview the space and view its message history.
When you leave a space, you can’t:
- Rejoin unless another member adds or invites you.
- Get updates on active conversation threads.
If you rejoin a space, you can view all message history. If someone removes you from a space, you’ll need to be invited again.
Tip: If the space is discoverable, you can rejoin at any time. Learn about discoverable spaces.
Join a space
- On your computer, open Google Chat or Gmail.
- In Gmail: On the left, click Chat.
- Click New chat
Browse spaces.
- Search for a space.
- The spaces that you're invited to appear at the top of the list.
- To join the space, click Join.
- To open the space, click Open.
- Optional: To preview a space, click Preview.
- When you preview a space, you can read messages, but you can't participate in the conversation or get notifications.
Tip: To join a space within your organization through a link sent to you, click the link 
Leave a space
- On your computer, open Google Chat or Gmail.
- In Gmail: On the left, click Chat.
- Next to a space name, click More options
Leave
Rejoin a space
- On your computer, open Google Chat or Gmail.
- In Gmail: On the left, click Chat.
- Click New chat
- Search for a space.
- Click Join.
Tip: You can delete a space you created. Learn how to delete a space.