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…

Upcoming changes to the FindMeetingTimes (Preview) API

I wanted to give you all a heads up on some changes that are coming to the FindMeetingTimes (Preview) API which is available in preview. We are making these changes to further improve the API based on feedback, and these changes will be widely deployed over the next few weeks. The updated API will continue…

Transition your app from Live APIs to Outlook REST APIs

As you might know, we have a new v2 auth model that supports sign-on and access to Microsoft Graph and Outlook APIs for consumer, work, and school accounts. In case you missed it, here is the v2 auth model GA announcement and here is the link to the new v2 auth model protocol specs. Together…

Tasks, OOF settings, and more improvements to the REST APIs

We wanted to update you on multiple additions and improvements we have made to our APIs since launching Outlook API V2.0 and Microsoft Graph V1.0 in November 2015. The features listed below are available in Outlook API preview endpoint https://outlook.office.com/api/beta.

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.

Office 365 API Walkthrough for Windows Store App

With Office 365 API Tools, you can integrate Office 365 services – including Mail, Calendar, Contacts, Files and other services – with your applications. Office 365 API Tools take care of registering your application to consume Office 365 APIs and adding necessary NuGet libraries to your project. Before you get started, you will need an…


Making App Registration Easier

I know I’ve been a little quieter than usual recently. No new blog posts, no new samples…you’d think I was taking a break. In reality, I’ve been heads-down working on the https://dev.outlook.com portal that we recently launched. If you haven’t checked it out, you should! There’s step-by-step tutorials for the Outlook REST APIs for .NET,…