Forum Discussion
Open outlook client or switch to contacts it opens login.microsoft or outlook web
Hi, after we switched to Modern Authentication with Mfa Active gradually all users every time they open outlook or switch from outlook to calendar or contacts this web or login window pops uplogin.m...
this is microsoft's answer
I did some research at my end and thought it was actually a bug.
The Outlook backend team is working on this and we expect the update to roll out next month.
See the official article:
https://support.microsoft.com/en-gb/office/outlook-unexpectedly-opens-a-browser-window-if-owa-is-disabled-4c915e88-0654-4f77-8daa-a624600dc718