In a Slack workspace, work comes together in dedicated spaces called channels. Use channels to organize conversations about specific projects, subjects, or purposes. You can browse and join existing channels in your workspace. If you don't see the channel you're looking for, you can create a channel and add your teammates.
Tip: If you've received an invitation to share a channel with an external organization, learn how to accept the invitation.
What to expect
You can't browse for private channels in Slack. To join, you'll need to be added by one of the private channel's members.
When you join a channel, you'll be added to the member list.
You can leave a public or private channel at any time and rejoin public channels if you need to. If you leave a private channel, you'll need to be added back by a current member.
Join channels
Desktop
Mobile
Click Channel browser at the top of your left sidebar. If you don't see this option, click More to find it.
Select a listed channel, or type a channel name in the search bar.
Click Join Channel or press Enter.
If you know the name of the channel you'd like to join, type/join followed by # and the channel name in the message field and send the message.
Tap Search at the bottom of your screen.
Tap Browse channels.
Search for a channel or select one from the list.
Tap Join Channel.
Tip: To see who else is in a channel before joining from Slack on your desktop, click the cluster of profile pictures to the right of the channel name at the top of your screen.