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

Outlook extension in Teams app manifest: Developers can now build and publish unified apps that include Outlook add-ins, Message extensions, and launch pages, all within a single code base. This allows for streamlined workflow and easier management of multiple extensibility offerings.

Meeting apps in Outlook: Public preview of meeting apps in Outlook brings the power of the Microsoft 365 app platform to Teams Meetings. Meeting apps can be used before, during, and after meetings for various scenarios such as setting objectives, collaborating on content, and sharing action items.

How to build a meeting app: The Microsoft 365 platform ensures seamless interaction with meeting apps across Teams and Outlook clients. Meeting apps can be accessed through side panels, the central meeting stage, and in-meeting notifications. Developers should update the app manifest and web pages to ensure full support in both clients.

Personal Tab Apps in Outlook for iOS and Android: It is important for apps to work seamlessly on mobile devices for user productivity. Developers should validate that their apps work on mobile before appearing in Outlook for iOS or Android.