

And best of all, developers get the benefit of write once, run anywhere technology, meaning their apps will work in, Outlook Web App and Outlook desktop. Build your add-in todayĪdd-ins are easy to build with open standards like HTML, CSS3, and JavaScript for user interfaces, with the option to integrate further using REST APIs and OAuth for secure access to data and services – all delivered to a global audience of and Office 365 customers. We’ll have more information to share about the PayPal experience, as well as other third-party partner announcements, in the near future.

Here’s an early peek at what Uber and Boomerang will bring to our users this summer. The Outlook APIs create an open platform for developers to build contextual experiences for and Office 365 users that simplify everyday tasks, helping them get more done without the hassle of switching between multiple applications. We are thrilled to announce that Uber, Boomerang and PayPal are among the first partners to bring add-ins to our 400 million active users-leveraging the new unified consumer and commercial Outlook APIs announced earlier today at Build.
