Build powerful Outlook apps using one set of APIs

Create a simple Outlook add-in that displays hello world.

We are excited to share Microsoft Teams JS SDK v2 is now in public preview, which unlocks the ability for developers to begin extending Microsoft Teams apps across Microsoft 365. Now, apps built for Teams not only run everywhere Teams runs, but also in more of the places users spend their time.

Use Outlook event-based activation to tag external recipients.

Mailbox 1.11, now generally available, offers event-based add-in capabilities, while the frequently requested Smart Alerts feature is now in public preview. Together they help developers build even smarter, contextually rich email experiences for customers.

Welcome to Ignite 2021. This blog is a summary of the developer news for the Microsoft 365 platform in the new era of hybrid work. Learn what's new and be sure to read the entire thing to get it all!

Welcome to Ignite 2021! We’re excited to share the latest Office Add-ins announcements with our developer community. These new features will help you create solutions to increase productivity in today’s modern hybrid environment.

This sample uses the Microsoft Graph .NET Client Library to work with data, and the Microsoft Identity Web for authentication on the Microsoft identity platform v2.0 endpoint.

We have added new ways for our Cloud Storage Partners to integrate their services to ensure customers can collaborate on documents no matter where they are stored.