What you need to know You will soon be able to add people from outside of an organization to group chats in Microsoft Teams. Teams already allows you to call, chat, and invite external people to meetings. The feature could roll out as soon as this month, though that's subject to change. Microsoft Teams will soon let you add external users to group chats. The feature should make it much easier to keep people up to date that you work with that aren't part of your organization. The feature could roll out as soon as this month, according to the Microsoft 365 roadmap, but that's subject to change.