Right now, there is no option for Team owners to highlight important announcements that are usually pushed out of view by newer messages. With this new pinning experience, Microsoft aims to keep vital information easy to access, even weeks after a message has been sent. Team owners will be able to pin a message on top of the channel window when theres an important message in a conversation that Team members have to lookup. Clicking the pinned message should point users to the specific message in...

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