Announcing new REST APIs in beta for rooms, time zones, and languages

Today we're pleased to announce some new APIs that are available on the beta endpoint for the Outlook REST API. These are currently only available via the Outlook endpoint (https://outlook.office.com/api/beta) and not the Microsoft Graph API endpoint. Try these new APIs out today, either in your code, or on the Outlook OAuth Sandbox. Leave feedback…


Check out the new Outlook Dev Portal!

Hi there! We are excited to bring to you the new and improved Outlook dev portal. It’s got a new look and feel, an upgraded documentation experience, and all of the REST API topics have been rewritten to use the Microsoft Graph API. Learn about the Outlook platform Get to know in detail the three…


Upcoming change to Event schema in the Outlook REST API beta endpoint

We wanted to give you a heads-up on upcoming changes to how locations are exposed for events in the Outlook REST API. Outlook recently introduced the option to use multiple locations to schedule meetings and appointments. The feature is designed for meetings scheduled for persons and teams spanning different regions, for example, some people attending…


Throttling coming to Outlook API and Microsoft Graph

Update 5/10/17: Based on feedback from our customers that the posted limit is too low for their apps, this is not currently being enforced. We’re working with them and gathering data to understand what would work for their apps. We’ll provide an update once we have more information. On April 21, we will be enabling…


Pinnable Taskpane in Outlook 2016

Have your add-in users been asking you for the ability to leave the add-in taskpane open in their mailbox as they switch between messages? At Ignite this year, we announced the addition of a new feature for Outlook add-ins, the Pinnable Taskpane. Today we are excited to announce this feature is now officially available in…

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Add-in Commands in OWA and Outlook on the Mac

Add-ins are a great way to increase usage of your apps by making them accessible directly within Outlook. We previously announced add-in commands availability in Outlook desktop. Add-in commands have simplified the user interaction with add-ins while also making their presence more visible and engaging. We are pleased to announce the add-in commands feature is…

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Update to Filtering and Sorting in the REST APIs

We recently deployed a breaking change to the Microsoft Graph V1.0 and the Outlook V1.0 & 2.0 endpoints to address a major issue with filtering. For full details, see https://dev.office.com/blogs/update-to-filtering-and-sorting-rest-api.


Introducing Request Validator to beta endpoint

I wanted to update you all on a breaking change that we are making to the Outlook REST API Beta endpoints.  This change is the introduction of a Request Validator which is going to be deployed worldwide over the next few weeks.  Here are the details of this change. What is the Request Validator? The…


Announcing Exchange ActiveSync version 16.1

We are excited to announce enhancements to Exchange ActiveSync (EAS) in Office 365 and a future cumulative update to Exchange Server 2016 that will soon be available to Exchange ActiveSync clients. We are introducing version 16.1 of the EAS protocol, which contains three new major capabilities: Improved Keyword Search – Get quicker, more relevant results…

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