Microsoft 365 Developer Blog
A developer platform for building collaborative apps for hybrid work
Featured posts

Building Agents for Teams: Turning conversations into outcomes
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...

SharePoint Copilot Apps Now in Public Preview: From Intent to Action in Microsoft 365 Copilot
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...
Latest posts
People Picker component now available in the Microsoft Graph Toolkit
We are excited to announce the addition of the People Picker web component to the public preview of the Microsoft Graph Toolkit.
SharePoint Development Community (PnP) – August 2019 update
SharePoint Dev Ecosystem / SharePoint Patterns and Practices (PnP) August 2019 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 the SharePoint Dev ecosystem during the past month.
Upcoming deprecation of Discovery Service API
If you are still using Discovery Service API to locate the service endpoint, please note that beginning November 1, 2019, API requests to the Office 365 Discovery Service endpoint will no longer work. Learn about what you need to do to prepare for this change.
Microsoft Graph SDK for Objective-C GA Release
With our generally available release of the Graph SDK for Objective-C, we have reached feature parity with our .NET, Java and JavaScript SDK.
Microsoft Graph outage July 30th 2019
Today between 22:16 and 23:05 UTC clients calling Microsoft Graph may have observed increased latency in the North America and APAC geographic regions.
Office Add-in Development Community (PnP) – July 2019 update
We're excited to share three new code samples for Office Add-ins Patterns and Practices. One sample uses storage techniques to access data from an Office Add-in when offline. The other two samples show you how to authenticate Office Add-ins to get file info from Microsoft Graph. Try them out today!
MSAL.NET 4.2.1 is now available!
We are excited to announce the release of MSAL.NET 4.2.1 which brings a number of new features.
Update your custom functions project
If you built your custom functions project using the Yo Office Yeoman generator template during the preview period prior to May 6, you’ll want to update parts of the project ensure it is using the GA version libraries and features. This blog post covers the methods that have changed.
Get started developing security applications
The fast growing cybersecurity market offers lots of opportunity for developers to build modern, connected security applications. We want to help developers quickly get started in building security solutions focused on three key scenarios: security management and investigations, threat detection, and information protection.