Note: By default, all members of a team can create channels, though a team owner or admin can restrict who can create channels.
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On the left, select
Teams. -
Select the ellipsis (...) next to the team name and choose
Add channel. -
Enter a Channel name and an optional Description.
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Choose Standard or Private under Choose a channel type, and then select Create. Depending on your permissions, you may or may not have a privacy setting. Note that only team owners can create Shared channels.
Warning: Once you've created a channel, you can't change the privacy setting. Be sure you choose the one you need. For more info, see Change a channel's privacy setting.