Microsoft announced today that Groups is starting to rollout via Outlook on Mac, iOS, and Android. This feature is already available on Windows and the web.
Recent Outlook on the web Stories
Microsoft announced this week that the web-based versions of Outlook will be updated starting in January with smart suggestions in new messages and automatic flight details in your events based on email confirmations.
Microsoft announced new adds-in from Boomerang, Evernote, PayPal and Uber that will work across Outlook, Outlook on the web, and, soon, Outlook.com too.