Can anyone help me out with this. I've had no problem doing this for years, however yesterday I installed a fresh copy of windows 10 pro (MS download tool), and installed a fresh latest copy of Office Pro Plus 2019 VL (O365 deployment tool).
When I open outlook and enter ANY office 365 email account, or outlook.com account, it brings back the standard windows credential prompt, rather than the Single Sign On / modern authentication / 2FA / MFA style prompt. This works correctly on other devices (so a client end problem).
Anyone know why this has suddenly started happening, and how to fix this?
I have tried both the latest version (I think LTSB2018 10357.20081) and the oldest version (LTSB2018 10336.20015)
I have tried manually creating the profile and selecting O365 / outlook.com
Thanks!
UPDATE
This was never resolved. Office 365 edition apps were deployed instead of "Pro Plus 2019". Office 365 edition apps are compatible with Office 365 / Outlook.com 2FA. I still to this day do not know why the traditional (non Click-To-Run C2R) package versions of Office do not support it.