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?
Note: Shared channels will be available as part of the public preview program and might undergo further changes before being released publicly. To get access to this and other upcoming features, switch to Teams public preview.
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.