Workspace Owners and Admins can set default channels for their workspace.

1. From your desktop, click your workspace name in the sidebar.
   
2. Select Tools & settings from the menu, then click Workspace settings.
3. Next to Default Channels, click Expand.
4. Add channels you'd like new members to join by default.
5. Click Save to finish.

Org level

Org Owners and Org Admins can manage default channels for their org. To be set as a default channel, it must be public and an org-wide multi-workspace channel. An organization can have up to 25 default channels, and they can be set as optional or required. 

To add default channels, use the steps below:

1. From your desktop, click your workspace name in the sidebar.
   
2. Select Tools & settings from the menu, then click Organization settings.
3. Under Settings in the left column, click Channel Management.
4. Under Default org-wide Channels, click Add a channel.
5. Select a channel, then click Next.
6. Choose if you'd like membership to be Optional or Required.
7. Decide who can post in the channel. Then choose whether members can add threaded replies to messages posted in this channel.
8. Click Next to review your changes.
9. Click Save to finish.

Note: When you create a new default org-wide channel, all members of your org will be added to the channel.

Workspace level

Workspace Owners and Workspace Admins can set default channels for their workspace.

1. From your desktop, click your workspace name in the sidebar.
   
2. Select Tools & settings from the menu, then click Workspace settings.
3. Next to Default Channels, click Expand.
4. Add channels you'd like new members to join by default.
5. Click Save to finish.

Workspace Owners and Admins can remove default channels from their workspace.

1. From your desktop, click your workspace name in the sidebar.
   
2. Select Tools & settings from the menu, then click Workspace settings.
3. Next to Default Channels, click Expand.
4. Click the small white x to the right of a channel name to remove it.
5. Click Save to finish.

Org level

Org Owners and Org Admins can edit or remove default channels for their org.

1. From your desktop, click your workspace name in the sidebar.
   
2. Select Tools & settings from the menu, then click Organization settings.
3. Under Settings in the left column, click Channel Management.
4. Under Default org-wide channels, hover over a channel, then click the   three dots icon to the right.
5. Click Edit channel settings and make the adjustments you'd like.
6. Click Next to review your changes.
7. Click Save to finish.

Workspace level

Workspace Owners and Workspace Admins can remove default channels from their workspace.

1. From your desktop, click your workspace name in the sidebar.
   
2. Select Tools & settings from the menu, then click Workspace settings.
3. Next to Default Channels, click Expand.
4. Click the small white x to the right of a channel name to remove it.
5. Click Save to finish.