To unblock the app on your Microsoft Teams account, please follow the steps below:


1) Click on the "Apps" tab present on the left panel and search for the app "AttendanceBot."

  • Alternatively, click on the ellipses and find "AttendanceBot" among already installed apps.


2) Select the "Open" option and you'll find AttendanceBot highlighted to the same left panel of the window. Right click on the app icon and select "Unblock" to once again interact with the app. 


Here's a video too explaining the process: