Please see Microsoft's support article: https://support.office.com/en-us/article/create-a-private-channel-in-teams-60ef929a-4d68-418b-bf4f-5784db184ec9
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Please see Microsoft's support article: https://support.office.com/en-us/article/create-a-private-channel-in-teams-60ef929a-4d68-418b-bf4f-5784db184ec9