Microsoft 365 Resources

Learn how to create an integrated spam-reporting add-in in Outlook.

Use Outlook event-based activation to set the signature.

Update your ActiveX, COM, VSTO and related Office solutions to handle high DPI and DPI scaling.

Discover how Adaptive Cards can transform your app with rich, interactive experiences that boost productivity and streamline workflows, in our new Adaptive Cards documentation hub.

A completed version of the step-by-step Outlook tutorial hosted on learn.microsoft.com.

Learn how to build a Microsoft Outlook Add-in that connects to Microsoft Graph.

Use SSO with event-based activation in an Outlook add-in.

This sample shows how to implement SSO in an Outlook add-in by using nested app authentication with a fallback that supports Internet Explorer.

This sample shows how to implement SSO in an Outlook add-in by using nested app authentication.

An Outlook add-in sample that accesses Microsoft Graph using single sign-on and adds buttons to the Outlook ribbon.