Microsoft 365 Developer Blog

A developer platform for building collaborative apps for hybrid work

Featured posts

Building Agents for Teams: Turning conversations into outcomes
Jul 14, 2026
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Building Agents for Teams: Turning conversations into outcomes

Joey Glocke

The Microsoft Teams platform mission is to build the best collaborative platform in the world. We want to make it easy for developers to build agents that parti...

Microsoft 365 DeveloperMicrosoft Teams
SharePoint Copilot Apps Now in Public Preview: From Intent to Action in Microsoft 365 Copilot
Jul 9, 2026
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SharePoint Copilot Apps Now in Public Preview: From Intent to Action in Microsoft 365 Copilot

Vesa Juvonen

SharePoint Copilot Apps are now in public preview, introducing a new way to bring guided, action-oriented business experiences into Microsoft 365 Copilot. By co...

Microsoft 365 DeveloperSharePoint FrameworkSharePoint

Latest posts

Sep 5, 2018
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Announcing the release of SharePoint Framework v1.6!

Office Extensibility team

We are pleased to announce the release of SharePoint Framework v1.6 – bringing the availability of new tools to help you build engaging team and communication sites. APIs for calling into Microsoft Graph and Web APIs are now generally available, we’ve improved our Dialog user experience framework, and you can now deploy SharePoint Framework tenant extension across your entire tenancy.

Sep 3, 2018
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New SharePoint CSOM version released for SharePoint Online – August 2018

SharePoint team

We are happy to announce the availability of new SharePoint Client-Side Object Model (CSOM) version targeted for the Office 365 or more specifically for SharePoint and Project Online. This was mainly a small maintenance release with minimal updates on the CSOM API surface. The August 2018 release was delayed until early September due to few logistic issues.

Aug 27, 2018
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New Azure AD access reviews feature on the Microsoft Graph

Microsoft Graph team

The Azure AD access reviews feature now has an API in the Microsoft Graph beta endpoint.

Aug 27, 2018
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Install and Test Your Teams App with App Studio

Microsoft Teams team

Creating and testing a Teams app with App Studio just got a lot easier. Install your apps without having to manage an app manifest or app package.

Aug 27, 2018
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New Office Add-in Analytics available in Seller Dashboard and Partner Dashboard

Office Extensibility team

We are excited to announce the availability of enhanced Office Add-in analytics within the Partner Dashboard. The Acquisition report has been augmented with channels and conversion information, so you can see how customers were directed to your AppSource listing and evaluate the effectiveness of your custom campaigns.

Aug 24, 2018
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Online reference and SDK documentation for Visio and Visio Services

Visio team

For Visio Services developers, documentation is available online as well as offline via the Microsoft SharePoint 2010 SDK. This blog describes previous versions of Visio developer content that is still available for use.

Aug 24, 2018
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Developer Reference for Visio 2007 Viewer released

Visio team

The Visio 2007 Viewer Developer Reference is up and can be accessed at: https://docs.microsoft.com/en-us/previous-versions/office/developer/office-2007/cc297211(v=office.12) The reference includes the full API reference and some short samples on how to embedded the viewer in different environments.  The Viewer provides an application programming interface (API) that enables solution developers to perform the following tasks:

Aug 24, 2018
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Visio 2010 API for configuring raster export

Visio team

The blog discusses ways to automate the settings in PNG output dialog via the API. In Visio 2010, we’ve enhanced the object model to make it possible to drive these settings programmatically using a set of new methods and properties on the ApplicationSettings object.

Aug 24, 2018
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Overview of Visio Services JavaScript Mashup API

Visio team

Previously, we took a look at how to create interactive mashups with Visio diagrams without writing any code. If you need more flexibility in creating rich diagram mashups than offered out of the box by web part connections, you can use the Visio Services JavaScript Mashup API. In this post we'll review the breadth of possibilities by the Visio Services Mashup API and show you how to get started coding with a few simple examples.