Microsoft 365 Developer Blog

A developer platform for building collaborative apps for hybrid work

Latest posts

Dec 4, 2024

Latest enhancements in Fluid Framework 2

Kashif Qureshi

Catch up on all of the Fluid Framework 2 announcements highlighted at Ignite including the AI Collab library, Fluid presence library, and more.

Dec 2, 2024

Update on nested app authentication and deprecation of Exchange Online legacy tokens

David Chesnut

Earlier this year, the Office Platform Team announced that Exchange Online legacy tokens are deprecated and will be turned off. This is part of Microsoft’s Secure Future Initiative (SFI) to give organizations the tools they need in the current threat landscape. We’ll begin turning off legacy tokens in February 2025. Publishers and developers are actively migrating their Outlook add-ins to use Entra ID tokens through nested app authentication (NAA) and Microsoft Graph instead of legacy tokens.

Dec 2, 2024

Accessibility improvements in Microsoft 365 PDF export

Microsoft 365 Platform team

Developers can leverage the accessibility improvements in PDF export in Word, Excel, and PowerPoint to build more inclusive solutions.

Nov 28, 2024

Dev Proxy v0.23 with inspecting cloud API requests

Waldek,

Garry

We’re excited to share a new version of Dev Proxy to help you build robust apps connected to APIs.

Nov 27, 2024

Teams Toolkit for Visual Studio Code update – November 2024

Junjie Li

Explore the latest Teams Toolkit for Visual Studio Code updates to learn about new features, enhancements, and bug fixes.

Nov 19, 2024

What’s new for Office Add-ins at Ignite 2024

Office Add-ins team

The Office Platform team has been busy working on improvements to the platform since we last reported. This blog covers the new features from the office-js team announced at Ignite 2024.