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The official Microsoft blog for Outlook, Exchange developers for both On-Premises and Office 365
Update 1/29: Based on feedback, we've adjusted the HTTP status code to 400 instead of 421. All other...
Date: 01/19/2018
In March, we announced support for Gmail accounts in Outlook 2016 for Mac. Today we're happy to...
Date: 12/14/2017
In June, we announced new APIs in the beta endpoint of the Outlook REST API. Today we're excited to...
Date: 10/09/2017
Today we're pleased to announce some new APIs that are available on the beta endpoint for the...
Date: 06/30/2017
Hi there! We are excited to bring to you the new and improved Outlook dev portal. It's got a new...
Date: 06/08/2017
We wanted to give you a heads-up on upcoming changes to how locations are exposed for events in the...
Date: 06/01/2017
Update 12/4/17: Updated the post with the current limits. On April 21, we will be enabling...
Date: 04/07/2017
Add-ins bring your favorite apps right inside Outlook, so you can accomplish tasks quickly without...
Date: 03/20/2017
We're now excited to bring add-ins to Outlook mobile, starting with Outlook on IOS, with support for...
Date: 02/08/2017
Have your add-in users been asking you for the ability to leave the add-in taskpane open in their...
Date: 01/26/2017
Add-ins are a great way to increase usage of your apps by making them accessible directly within...
Date: 01/20/2017
We recently deployed a breaking change to the Microsoft Graph V1.0 and the Outlook V1.0 & 2.0...
Date: 12/07/2016
In September, we announced Actionable message for connectors and email in preview. We are excited to...
Date: 11/18/2016
We want to give you a heads up on some changes that are coming to the FindMeetingTimes API which has...
Date: 10/10/2016
We're excited to announce a preview of Actionable Messages which embed actions in both connectors...
Date: 09/26/2016
I wanted to update you all on a breaking change that we are making to the Outlook REST API Beta...
Date: 06/15/2016
We are excited to announce enhancements to Exchange ActiveSync (EAS) in Office 365 and a future...
Date: 06/13/2016
This is an update about breaking changes that we are making that only impact Contacts and People...
Date: 06/09/2016
I wanted to update you all on a breaking change that impacts the Task API on the Outlook REST API...
Date: 05/06/2016
I wanted to give you all a heads up on some changes that are coming to the FindMeetingTimes...
Date: 04/29/2016
As you might know, we have a new v2 auth model that supports sign-on and access to Microsoft Graph...
Date: 04/06/2016
We wanted to update you on multiple additions and improvements we have made to our APIs since...
Date: 03/31/2016
We are excited to make a number of announcements about Outlook add-ins platform. First, as we...
Date: 03/31/2016
We are aware of an issue impacting apps that use the Outlook Notification API to subscribe for...
Date: 03/28/2016
We are happy to announce the generally availability of the Office 365 Connectors developer platform...
Date: 03/28/2016
I wanted to give an update on some more breaking changes that we are making to the Outlook REST API...
Date: 11/06/2015
I wanted to update you all on some more breaking changes that we are making to the Outlook REST API...
Date: 10/21/2015
I wanted to update you all on some more breaking changes that we are making to the Outlook REST API...
Date: 10/14/2015
We are making a few changes to the Office 365 REST APIs beta endpoint. The changes are being rolled...
Date: 10/08/2015
We are making a change in what is returned by default in the Message Body property. By default, we...
Date: 09/03/2015
As many of you know, the Outlook REST APIs moved from preview to general availability in October...
Date: 09/02/2015
Today we bring you the second in a two-part series of guest blog posts from Andrew Salamatov, a...
Date: 09/01/2015
Today we bring you the first in a two-part series of guest blog posts from Andrew Salamatov, a...
Date: 08/31/2015
We are excited to announce Outlook REST APIs for mail, calendar, and contacts now support both...
Date: 08/12/2015
One advantage of having your mailbox in Office 365 is that we usually deploy our innovations there...
Date: 06/08/2015
With Office 365 API Tools, you can integrate Office 365 services - including Mail, Calendar,...
Date: 05/15/2015
I know I've been a little quieter than usual recently. No new blog posts, no new samples...you'd...
Date: 05/07/2015
As you can probably tell from announcements we made at BUILD this week like add-ins for Outlook...
Date: 04/30/2015
An Office 365 Developer Tenant is a great resource for developing with the Office 365 REST APIs. It...
Date: 04/03/2015
Today I published a new Ruby on Rails sample, the Office 365 VCF Import/Export Sample. It's...
Date: 03/24/2015
We at Microsoft put our users’ satisfaction first. It is even more important for us in the...
Date: 03/24/2015
UPDATE: The node-outlook library that is discussed in this post has been updated with a new...
Date: 03/12/2015
It is common for messages and meeting requests to include key pieces of information users need to...
Date: 03/03/2015
In the same spirit as my Python experiment, I decided to give PHP a try and see how far I could get...
Date: 02/26/2015
Today we bring you a guest post from Xiaoying Guo, a Senior Program Manager in our Cloud Platform...
Date: 02/24/2015
I published a quick tutorial on writing your first Office 365 API app using Ruby on Rails. The...
Date: 02/12/2015
Matthias announced support for the Client Credentials flow in the Mail, Calendar, and Contacts APIs...
Date: 02/10/2015
Building Daemon or Service Apps with Office 365 Mail, Calendar, and Contacts APIs (OAuth2 client credential flow)
Device and Web Server applications usually require a user to sign-on and consent to allow the...
Date: 01/21/2015
This post is the third part of a series of posts chronicling my (mis)adventures learning Python and...
Date: 01/15/2015
This post is the second part of a series of posts chronicling my (mis)adventures learning Python and...
Date: 01/09/2015