Some leaks about project Monarch and its relationship with Microsoft's One Outlook strategy caused people to think about the possible effect on clients. I did some thinking too and think that rationalization is coming and that OWA is the core component for what desktop and browser Outlook clients look and behave like in the future, including the email client bundled with Windows 10. Here's what might happen...
https://petri.com/one-outlook-project-monarch
