Themes: Over 50 built-in themes
Performance improvements: In creating calendar events, composing, loading messages in the reading
pane, pop-outs, search, startup, and switching folders.
Ability to block attendees from forwarding your meeting invite to other people.
Ability to block your calendar or auto-decline meeting invites.
Modern and secure login page.
Platform-specific experience for iOS and Android devices.
Updates to closer resemble the UI look of Outlook on Windows and Mac PCs
Color code support.
Improved search functionality.
Ability to propose rescheduling of events
Email reminders for calendar events
Can access email, calendar and contacts from one window.