You can join any topics within your team that are public.
- To join a public topic, click on the Topics button at the top left.
- Select the topic that you wish to join.
- Press Join and you will automatically be a member of the topic.
- If you select a topic and there is no option to join, you might already be in this public topic.
Remember that you can also be invited to topics that are private by other people in your team.
If you would like to know how to leave a topic, click here.