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

Jun 4, 2018
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New SharePoint CSOM version released for SharePoint Online – May 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.

May 31, 2018
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Securing API requests from Kaizala action

Kaizala Developer Platform team

There are scenarios where you may want to query your service from within the Kaizala card. While the APIs to be queried are public (without any authentication), you can query them directly. But, in case you want to secure your APIs to make sure the calls are made by the particular user from within the Kaizala card alone – you use the Integration Service token. This post explains how you generate this token and subsequently validate this on the service side.

May 18, 2018
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Excel JavaScript API 1.7 goes GA

Office Extensibility team

We're pleased to announce that the Excel JavaScript 1.7 API is now generally available! We received lots of great feedback on the design of the APIs during the beta period and we appreciate your active participation.

May 14, 2018
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Kaizala extensibility training available now on Microsoft Virtual Academy

Kaizala Developer Platform team

Kaizala Extensibility training is now available as a course on Microsoft Virtual Academy (MVA) click here – which has the videos as well as the slides.

May 10, 2018
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Updates from Build: New improvements for SharePoint Framework coming soon

SharePoint team

At Microsoft Build, we previewed several upcoming changes and improvements coming to SharePoint Framework. You’ll see these changes start to release over the coming weeks, and we’ll go into more detail at the upcoming SharePoint Conference – North America. 

May 7, 2018
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Harness the growing network of apps and insights in Microsoft Graph

Microsoft Graph team

Microsoft Graph is the unified API endpoint that offers developers a gateway to the rich data and powerful insights behind a large and growing set of Microsoft products. Based on consistent REST-based standards, tools, and features, the set of scenarios you can power with the Microsoft Graph grows exponentially as new products, datasets and capabilities are added to the endpoint.

May 7, 2018
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Microsoft Teams Developer Platform Enhancements Announced for Build 2018

Microsoft Teams team

We are excited to join the Office 365 team at Build 2018 to talk about what's new in the Microsoft Teams developer platform.

May 7, 2018
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Conversations become actions in Outlook

Vesa Juvonen

At Build 2018, we’ve announced several technologies to help developers enrich emails with new interactive capabilities.  These capabilities allow developers to engage with their users more deeply, right in context within the email, thereby reducing the friction between intent and action.

May 7, 2018
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Your guide to Office 365 at Build 2018

Office Extensibility team

We’re blogging the latest, greatest news from Build 2018 for the Office 365 developer community.Â