What’s New in Microsoft Teams | Microsoft Ignite 20191. Customize your Teams conversations and experience Private channels enable users to create channels within existing teams that can be viewed and accessed by only select members of that team. Users can create a private channel by selecting "Private" under the privacy settings of the new channel. Private channels are available starting this week and you can learn more here. Multiwindow capability
Introducing Teams Private Channels - Petri IT Knowledgebase
