Outlook REST API changes to beta endpoint

We are making a few changes to the Office 365 REST APIs beta endpoint. The changes are being rolled out in pre-prod and production systems and will be widely deployed over the next few weeks.


Deprecating the REST API preview endpoint

As many of you know, the Outlook REST APIs moved from preview to general availability in October 2014. As part of this transition, we are shutting down the old preview endpoint https://outlook.office365.com/ews/odata on October 15th, 2015. You can continue to use the https://outlook.office.com/api/beta endpoint to check out our latest and greatest APIs. We require all…


Building add-ins with commands

Today we bring you the second in a two-part series of guest blog posts from Andrew Salamatov, a Senior Program Manager with our Outlook team. You can find the first part here. Enjoy! Because of their advantages, we’re encouraging all developers building add-ins to use commands. In fact, soon we’ll start requiring add-ins submitted to…


Introducing add-in commands

Today we bring you the first in a two-part series of guest blog posts from Andrew Salamatov, a Senior Program Manager with our Outlook team. You can find the second part here. Enjoy! Back at Build and Ignite, we announced a brand new feature, that we’re very excited about – Outlook add-ins (formerly called apps for…


Unified Outlook APIs for Office 365 & Outlook.com are here!

We are excited to announce Outlook REST APIs for mail, calendar, and contacts now support both Office 365 & Outlook.com! This single REST API endpoint https://outlook.office.com/api combined with a new app registration portal and v2.0 app model announced by the Azure Active Directory team, makes it very easy to build a single app that can be…


Announcing Exchange ActiveSync v16

One advantage of having your mailbox in Office 365 is that we usually deploy our innovations there first. We’re making enhancements to Exchange ActiveSync (EAS) in Office 365 that will soon be available to Exchange ActiveSync applications. Update: Exchange ActiveSync v16 will also be included in on-premise installations of Exchange Server 2016. Updated EAS, which…