Fix Microsoft Sign-In Loop and Sign-Out Prompt on Forms
Question details
The user is stuck in a Microsoft account sign-in loop that repeatedly displays a sign-out prompt instead of opening a school form or protected link.

- Product
- Microsoft Account / Forms
- Device & OS
- not provided
- Scenario
- Attempting to access a protected Microsoft form or link using a work or school account.
- Observed behavior
- The system enters a sign-in loop and displays a sign-out prompt rather than loading the intended form.
Ensure you have the exact login credentials for the specific work or school account required to access the protected link, and verify that the link is correct.
Use Incognito Mode and Force Sign-Out
This method bypasses cached browser data and clears conflicting session details between personal and work/school accounts.
This sign-in loop typically occurs when a personal Microsoft account and a work or school account share the same sign-in address or are cached in the same browser session.
Close all active browser windows to ensure no background sessions interfere with the login process.
Open a new InPrivate window in Microsoft Edge (Ctrl+Shift+N) or an Incognito window in Google Chrome.
Type https://aka.ms/vssignout into the address bar and press Enter to force a complete sign-out of all active Microsoft accounts.
Copy the original protected form link, paste it into the same private window's address bar, and sign in using the specific account that has permission to access it.

Contact School IT or Microsoft Support
If clearing session data does not work, the issue may lie with backend account permissions.
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Frequently Asked Questions
Why does Microsoft keep prompting me to sign out instead of opening the form?
This usually happens due to a browser cookie conflict between a personal Microsoft account and a work or school account sharing the same email address. The system gets confused about which account is requesting access.
Will clearing my browser cache fix the sign-in loop?
Yes, clearing your browser's cookies and cache can resolve the conflict. However, using an InPrivate or Incognito window is often a faster workaround because it opens a clean session immediately.
How do I access a school form if I only have a personal Microsoft account?
You cannot access a protected school form with a personal account unless the creator specifically configured the form to allow external, anonymous responses. You must sign in with your designated school credentials.




