Extend Teams apps across Microsoft 365
This early developer preview is intended to provide Teams developers with existing applications the chance to try the new functionality and provide feedback on this expansion of the Teams developer platform into other high-usage areas of the Microsoft 365 ecosystem.
- Extend existing Teams personal tabs to Outlook for desktop and on the web, and also Microsoft Office Home (office.com).
- Extend existing Teams search-based messaging extensions to Outlook for desktop and on the web.
For feedback and issues, please continue using the relevant Microsoft Teams developer community channels. We look forward to hearing from you!
Teams personal tabs in Office and Outlook
With this preview, you can extend a Teams personal tab application to run in both Outlook on Windows desktop and the web, and also Microsoft Office Home (office.com).
After sideloading to Teams, your personal tab appears as one of your installed apps in Outlook and Office.
Teams messaging extensions in Outlook
Also with this preview, you can extend your search-based Teams messaging extensions to Outlook on the web and Windows desktop, enabling customers to search and share results through the compose message area of Outlook, in addition to Microsoft Teams clients.
After sideloading to Teams, your messaging extension appears as one of your installed apps within the Outlook compose message area.
Set up your dev environment for extending Teams apps across Microsoft 365: