Microsoft today announced a major revamp for that brings a new look and feel as well as new features. There’s a refined inbox, new ways to collaborate, an upgraded calendar and much more included in this revamp. Microsoft is rolling out the update in Preview today albeit only to a small group of users. The company has announced this update as it starts work on migrating over to Office 365.

The Inbox gets a new feature called Clutter which “works on your behalf” to sort messages that you’re likely to ignore into a separate folder. Users can train Clutter by dragging messages in and out of the folder, they’ll always be able to turn the feature on or off as and when required.

13 new themes have been added for the inbox aside from search suggestions and refiners to improve search results, there’s support for copying and pasting images directly into the body of the email and Pins and Flags for keeping on top of important emails.

Third-party add-ins are perhaps the biggest change included in this update, with companies like Uber, Boomerang and PayPal partnering up with Microsoft for this feature. Add-ins appear while a user is reading a message or composing one and they “are designed to help you complete the task at hand.”

The company is also rolling out a cleaner experience with new features like add-ins and swipe gestures for the Outlook apps available across iOS, Android and Windows Phone.

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