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
Customize and Tailor Every Workflow in Microsoft Teams
At Microsoft Ignite 2019, we announced over two dozen new innovations with the Microsoft Teams developer platform, further extending the ability to deeply tailor Teams to your work.
Ignite 2019 Guide to the Microsoft 365 Developer Platform
As we close in on the last few days until Microsoft Ignite 2019 in Orlando next week, November 4-8, the Microsoft 365 Developer Platform team is working diligently to put the finishing touches on our sessions and preparing to meet you all at the Hub to chat in person. We have some exciting things in store for you.
Office Add-in Development Community (PnP) – October 2019 update
The Office Add-ins platform team has new updates to share this month on Office Add-ins Patterns and Practices. We're excited to announce two new solutions for Office Add-ins PnP released in October 2019.
Deprecation of the IdentityRiskEvents API
If you have been using the identityRiskEvents API, you should transition to the riskDetection API.
The new version of Visio JavaScript APIs is now available for public preview
In this blog post, we are happy to announce the public preview of some of the most requested JavaScript APIs. Visio JavaScript APIs are used to extend Visio for the web and build rich mashup scenarios.
Attaching large files to Outlook messages in Microsoft Graph (preview)
Today, we’re excited to announce the release of Large file attachment upload support for Outlook messages via the Microsoft Graph beta endpoint.
Develop applications and reports using the new Project for the web
This blog discusses the power and versatility of the new Project, including ease of integration with the tools and systems your organizations uses. Learn how easy it is to develop and deploy using the Power Platfrom: PowerApps, Flow, Power BI, and AI Builder.
Moving management of solutions from Seller Dashboard to Partner Center
Microsoft is rolling out a modern management experience for the Office Store program in Partner Center. Office Add-ins (including Outlook add-ins), SharePoint add-ins, Teams apps, and Power BI visuals will be migrated to Partner Center.
Microsoft Authentication Libraries for Android, iOS and macOS are now Generally Available
We are excited to announce General Availability of Microsoft Authentication Libraries (MSAL) for Android, iOS and macOS!