Microsoft is giving Teams, its Slack-like app, the ability to invite any guest to a chat room. While you can invite collaborators to a Team room right now, they need to have an account in the company’s Azure Active Directory first. With the new feature in place, you’ll be able to add any business partner, client, freelancer or anyone else to a room using their email address, whether it’s a company or a consumer email like Gmail or Outlook.

Engadget

Smart move by Microsoft realizing that Skype was not doing it and coming up with an alternative that users like great job by Microsoft.