I’m not very keen on Outlook but it is a gigantically popular app and it’s good to see it being updated:

Today we are announcing the new Outlook for the Mac, which delivers improved performance and reliability and a fresh look and feel that is unmistakably Microsoft Office. This release offers a more familiar and consistent experience between Outlook on the PC, Outlook on the web and Outlook Web App (OWA) for iPad, iPhone and Android devices.

The new Outlook for Mac includes:

Better performance and reliability as a result of a new threading model and database improvements.
A new modern user interface with improved scrolling and agility when switching between Ribbon tabs.

New Outlook for Mac available to Office 365 customers – Office Blogs

Read the full piece for more about Outlook and the future of Office on the Mac.