A shared channel is a place to collaborate with people inside and outside your team or organization. People outside your org can participate in a shared channel without switching orgs.
To learn more, see Why use a shared channel versus other channel types?
Who can share a channel?
Channel owners can share a channel with teams they own, with people inside or outside their org, and with other teams inside or outside their org.
Note: Admins must enable B2B direct connect before you can add people or teams outside your org to a shared channel. To learn more, see Collaborate with external participants in a channel.
Note: When people join or leave a team, the updated team member list will be reflected in the shared channel.
Who can create a shared channel?
A team owner can create a shared channel. When a team owner creates a shared channel, they become the channel owner.
To learn more, see Create a shared channel.
Note: You can't change a shared channel into a standard or private channel and vice versa.
What is a host team?
When a team owner creates a shared channel, that team becomes the host team. A shared channel sits inside a host team. Channel owners can share a channel with the host team or add people to a shared channel without adding them to the host team.
Note: Once you create a shared channel, you can't change the host team.