Showing results for Outlook - Microsoft 365 Developer Blog

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 ac...

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.

We are decommissioning the Outlook REST v2.0 and beta endpoints starting March 31, 2024.

Today, we’re announcing that entity-based contextual add-ins in Outlook will be deprecated in Q2 of 2024.

We’re announcing changes to how Office Add-ins and apps are installed, accessed, and sideloaded to Outlook for Windows and Outlook for Web.

We’re very excited to announce the public preview of Copilot extensibility and other updates about our features and capabilities from across the Microsoft 365 platform.

Rich notifications for Outlook, now available, are a feature that let you receive notifications that include resource change data.

Learn how to prepare for the upcoming change to Exchange callback tokens and avoid any disruptions in your Outlook add-ins. 

Get familiar with the latest features that can help you boost your app's visibility and engagement across Microsoft 365.

Create engaging and productive experiences for Outlook and Teams users leveraging the same code base and capabilities across both applications.