Forum Discussion
bmedenwald
May 22, 2024Copper Contributor
Teams App Won't Authenticate in New Outlook
I have a Teams app that is about to be upgraded to the new manifest so it will run in Outlook. I uploaded the app to test it, and in the old Outlook it works fine. I can see the interface, click the ...
Kidd_Ip
Aug 04, 2024MVP
Better to check with Microsoft support but at least new Outlook has its own moves, it prefers web browsers for authentication to my understanding
bmedenwald
Aug 04, 2024Copper Contributor
Kidd_Ip That cannot be true. If it is, then Microsoft Teams JS 2.0 is completely broken. It relies exclusively on a popup for authentication in the app itself. Works in old Outlook, old Teams, new Teams.