Leak shows Microsoft is working on One Outlook, a version of its Outlook app that will merge existing mail and calendar apps for desktops; release goal is 2022

Leak shows Microsoft is working on One Outlook, a version of its Outlook app that will merge existing mail and calendar apps for desktops; release goal is 2022  —  Designed to replace the built-in Windows 10 Mail app  —  Microsoft is testing a new Outlook app that will replace its built-in Mail and Calendar apps on Windows 10.