There was a issue reported as MO123872. It has been resolved as of: Tuesday, 10/24/2017 6:26:44 PM UTC. The user experience of this incident is: Users may be intermittently unable to sign in to portal.office.com. To get more info about this
issue, global admin can check it's history from this page.
If you are still experiencing the issue, please follow the steps below to clear your browser's cache:
Disclaimer: Microsoft provides no assurances and/or warranties, implied or otherwise, and is not responsible for the information you receive from the third-party linked sites or any support related to technology.
10 people found this reply helpful
Was this reply helpful?
Sorry this didn't help.
Great! Thanks for your feedback.
How satisfied are you with this reply?
Thanks for your feedback, it helps us improve the site.