For admins Method 2: Make sure that the user is allowed to sign in When it does this, it redirects to the OrgID URL in the iframe
Method 3: Reset the user's password Method 4: Reset the user's sign-in status

Outlook/Office 365 sign in box keeps appearing and forcing sign

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Account has been blocked error when sign in to Office 365
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Outlook/Office 365 sign in box keeps appearing and forcing sign
Your eligibility may be re-verified at any time
Enter your school email address Remote learning Build collaborative classrooms, connect in professional learning communities, and connect with colleagues when you get Office 365 — which includes Microsoft Teams and is free for your entire school But we need the SharePoint URL in the trusted sites for other features to work properly, Catch 22
In many cases, the response time is instantaneous through an automated verification process If you are the only administrator in your organization and your account is locked, contact

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Account has been blocked error when sign in to Office 365
Checking the remember me box does not work
Office 365 Login
When you click on "Learn More
[SOLVED] couldn't sign you
I have tried all sorts on this and cant get it to work with IE or Edge, but I have got it working with Chrome