Create a channel
In Messages, click + next to Channels.
Type a Channel name and click Create channel.
Pick Setup Automatic Audience to add people by department or position, or Add People Manually.
With Automatic Audience, new staff who match are added on their own.
Remove someone
Open the channel and click the faces at the top right.
Hover over the person and click the X.
Click Remove.
Change channel settings
Click the gear at the top right of the channel.
Choose Add People, Rename, Notifications, Audience, Permissions, Archive for everyone or Leave Channel.
In Permissions, pick Everyone can message or Admin only.
Good to know: You only see the options you have access to. Anyone can use Notifications and Leave Channel.
Common questions
How do I bring back an archived channel?
Open it, click the gear, then Unarchive.
What does Admin only do?
Only admins can send. Everyone else can read.
How do I mute a busy channel?
Click the gear, then Notifications, and pick Mentions only or No messages.