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.

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.

Announcing general availability of Outlook rich notifications in Microsoft Graph

November 10, 2023 Nov 10, 2023 11/10/23

Cameron Parker

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

Update to Exchange callback tokens for Outlook add-ins

October 26, 2023 Oct 26, 2023 10/26/23

Akhilesh Shah

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

Boost your app’s visibility and engagement in Microsoft 365

October 25, 2023 Oct 25, 2023 10/25/23

Nnamdi Onuorah, Daniel Carrasco

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

Bring your app across Microsoft 365: Outlook extensions, meeting apps, and more

October 19, 2023 Oct 19, 2023 10/19/23

Nnamdi Onuorah, Daniel Carrasco

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

Announcing SharePoint Framework 1.18 with updates for Microsoft Teams, Microsoft Viva and SharePoint

September 12, 2023 Sep 12, 2023 09/12/23

Vesa Juvonen

We are excited to announce a new public version of the SharePoint Framework, v1.18, with new features, capabilities and fixes for Microsoft Viva, Microsoft Teams and SharePoint.

What’s new for Office Add-ins: Announcements from Build 2023

June 12, 2023 Jun 12, 2023 06/12/23

Office Add-ins team

The Microsoft 365 ecosystem is expanding rapidly. In this blog, we'll explore the new capabilities and features available to empower your Office solutions even more.

Build 2023: Building apps that bring together AI and collaboration

May 23, 2023 May 23, 2023 05/23/23

Ben Summers

This blog highlights all the new features we’ve delivered – features that, when combined with our AI and Copilot capabilities, promise to make the Microsoft 365 platform an even more powerful place to build a new generation of collaborative apps.

Build a developer assist dashboard using Teams Toolkit for Visual Studio Code v5.0 pre-release

April 4, 2023 Apr 4, 2023 04/4/23

Ayca Bas

In this tutorial, we will cover how to build a developer assist dashboard for Microsoft Teams using Teams Toolkit for Visual Studio Code and integrate GitHub, Azure DevOps, and Planner widgets.

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