If it continues to be problematic, you may need to either a.) Remove any related credentials from the users credential manager in Control Panel, it b.) Create a new outlook profile.
Beatrizmonti
https://youslade.com/read-blog/278644_how-to-fix-outlook-and-office-365-login-loops-expert-solutions.html
Elton Goodson is a study Social Science Education from Maissau
Elton Goodson is a study Social Science Education from Maissau
When we opened the old, existing profile it didn’t ask for ANY authentication, it just started working.
On the off chance that none of these things solve this issue for you, please contact our support team at