Add a shared calendar to a Teams channel
You can create and share calendars with members of a specific channel. When meetings are created a new post will pop up within the channels activity feed. For those who have notifications turned off, it will only appear within the calendar section of the channel.
Include up to 10,000 users in an organisation-wide team
You can now communicate with up to 10,000 people within a single team, to ensure your communication stays consistent and streamlined.