Microsoft 365 Developer Blog

A developer platform for building collaborative apps for hybrid work

Updates to how to install and use Add-ins and apps in Outlook for Windows and Outlook on the web

November 29, 2023 Nov 29, 2023 11/29/23

Kate Everitt

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

Teams Toolkit for Visual Studio Code update – November 2023

November 28, 2023 Nov 28, 2023 11/28/23

Junjie Li

We're excited to bring you an array of new features to make your Microsoft Teams app development experience even better.

Microsoft Graph CLI v1.0.0 is now generally available

November 22, 2023 Nov 22, 2023 11/22/23

Carol Mbasinge Kigoonya

Microsoft Graph CLI, the command-line tool that provides convenient methods to access Microsoft Graph API capabilities on any operating system and any shell, is now available.

Link unfurling and search based message extensions in Outlook generally available

November 21, 2023 Nov 21, 2023 11/21/23

Namrata Khubchandani

Extend your existing search based message extensions and link unfurling in Microsoft Teams to Outlook without any new technical investments.

Ignite 2023: Ushering in the era of Microsoft Copilot extensibility

November 15, 2023 Nov 15, 2023 11/15/23

Ben Summers

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.

Building the next era of AI: Teams AI Library and API message extensions | Ignite 2023

November 15, 2023 Nov 15, 2023 11/15/23

Joey Glocke

Integrate your app into Microsoft’s Copilot and Teams in minutes with API message extensions and create your own intelligent app with the Teams AI Library.

Introducing new chat components with the Microsoft Graph Toolkit

November 14, 2023 Nov 14, 2023 11/14/23

Sébastien Levert, Ricky Castaneda, Katya Trishina

Announcing the public preview of the Microsoft Teams chat controls for Microsoft Graph, powered by Microsoft Graph Toolkit and the Azure Communication Services UI Library.