Near the end of this year, the Mail and Calendar apps within Windows 10 could be phased out for a new, web-centric version of Outlook—which could gobble up the traditional Outlook app as well, at a later date.
According to a report by Windows Central, the new “Project Monarch� client could consolidate the numerous Outlook apps. A version of the app has even leaked online, though it requires an internal Microsoft account to access. It’s part of what Microsoft calls its “One Outlook� vision.