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

Aug 24, 2018
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Introducing the Visio 2010 Beta SDK

Visio team

This blog details the features in the Visio 2010 SDK that is currently available for download.

Aug 24, 2018
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Visio Diagram Validation API

Visio team

In this post, we focus on the details of using the validation API to create validation rules, trigger validation, and manage validation issues.

Aug 24, 2018
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Publishing Visio 2007 Solutions

Visio team

This blog discusses how to publish Visio 2007 solutions.  In this context "solutions" refers to the add-ins, templates, stencils and/or help files that you have created and want to distribute to other people.

Aug 24, 2018
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Creating Visio Add-ins with VSTO 2005 SE

Visio team

There have been several newsgroup postings about using VSTO to create Visio Add-ins.  The deployment of these add-ins can be especially challenging.  There is a new developer article by Chris Castillo detailing how to write VSTO add-ins for Visio.  Chris explains why using VSTO is desirable and aggregates information from a number of sources to walk you through the development and deployment process.

Aug 24, 2018
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Container, List and Callout API in Visio 2010

Visio team

This post examines the programmability features for Containers, Lists and Callouts in Visio 2010.  It supplements an earlier post that describes how these special shapes are constructed and how they can be customized.

Aug 24, 2018
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Visio 2010 Connectivity API

Visio team

In this blog post, we introduce the new Visio 2010 methods used for working with connected diagrams. Then we will see these methods in action by doing a visual walk-through of a program that manipulates a flowchart.

Aug 24, 2018
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Intelligent Diagrams in Visio

Visio team

This is the sixth topic in a series discussing the essential features that make up the Visio application.

Aug 16, 2018
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Managed Access to Microsoft Graph Data in Private Preview

Office Extensibility team

We’re pleased to announce that we are expanding the focus of the Managed Access to Microsoft Graph Data preview, announced this spring at our Build 2018 conference, to include scenarios for Enterprises as well as ISVs.

Aug 14, 2018
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SharePoint Development Community (PnP) – August 2018 update

SharePoint team

SharePoint Dev Ecosystem / SharePoint Patterns and Practices (PnP) August 2018 update is out with a summary of the latest guidance, samples, and solutions from SharePoint engineering or from the community for the community. This article is a summary of all the different areas and topics around SharePoint Dev ecosystem during the past month.