Add an app to a Microsoft Teams channel so that anybody with whom the app was shared can open it from within that channel. You can add any app that you built or for which you have Can use or Can edit permissions, and you can both add and open the app from a browser or the desktop app for Microsoft Teams.
Share the app with other members of the team.
In Microsoft Teams, select a team and a channel for that team.
Click or tap + to add a tab.
In the Add a tab dialog box, click or tap PowerApps.
Click or tap the app that you want to add.
Note: You can search for an app by name, author, or environment.
Click or tap the Save button.
The app is now available to use in the channel.
In Microsoft Teams, select the team and the channel that contains the app.
Click or tap the tab that's named for the app.
The app opens in the channel.
In the desktop app for Microsoft Teams: