Microsoft 365 Developer Blog

A developer platform for building collaborative apps for hybrid work

Featured posts

Building Agents for Teams: Managing the noise of collaboration
Aug 13, 2026
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Building Agents for Teams: Managing the noise of collaboration

Lily Du

Most of us are familiar with one-to-one agent chats: private, direct interactions where rules are relatively simple. With only you and the agent, each moment ha...

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

Nov 17, 2020
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Outlook REST API v2.0 production and beta endpoint deprecation

Office Extensibility team

Today, we are announcing the deprecation of Outlook REST API v2.0. The API will be decommissioned on a date still to be determined.

Nov 16, 2020
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Microsoft Teams App Development Challenge

Office Extensibility team

Be a part of the fastest growing business app in Microsoft’s history—register today, build and publish a Teams App to be eligible to win a share of $45,000 in cash, and prizes.

Nov 16, 2020
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Microsoft 365 App Compliance Program is now integrated into Partner Center!

Krishna Mawani

Our Microsoft 365 App Compliance program is now integrated into Partner Center and will allow you to take advantage of the new automated process for completing Publisher Attestation and Microsoft 365 Certification.

Nov 13, 2020
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Office Add-in Development Community (PnP) – October 2020 update

Office Extensibility team

Office Add-ins Patterns and Practices gives updates on extending your SaaS web application so that your customers can open their data from a web page directly to Microsoft Excel.

Nov 12, 2020
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Microsoft 365 Patterns and Practices (PnP) – November 2020 update

Microsoft 365 PnP Team

Microsoft 365 Community (PnP) November 2020 update is out with a summary of the latest guidance, samples, and solutions from Microsoft or from the community for the community.

Nov 10, 2020
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Announcing a new, redesigned Microsoft Graph changelog

Office Extensibility team

Today, we’re excited to announce that in response to your feedback, we’re changing the changelog! You will find the new, redesigned changelog on the Microsoft Graph Dev Center.

Nov 9, 2020
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Announcing general availability of Microsoft Teams Resource-specific consent and read channel messages

Nick Kramer (TEAMS)

We are pleased to announce the general availability of resource-specific consent and the APIs to read channel messages. Enabling you to build apps that can read messages and manipulate channels, without needing to beg an admin for access to the entire tenant.

Nov 2, 2020
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Announcing the general availability of the Microsoft To Do API in Microsoft Graph

Office Extensibility team

We are excited to announce that Microsoft To Do API is now generally available in Microsoft Graph worldwide. Previously, you could consume these APIs through the beta endpoint but now you can access them through the production v1.0 endpoint.

Nov 2, 2020
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CLI for Microsoft 365 v3.2

Microsoft 365 PnP Team

We've just published a new version of CLI for Microsoft 365 with commands for managing Microsoft 365 tenants and SharePoint Framework projects on any platform.