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Fix Microsoft Lists Form Not Submitting After Required Field Filled

Olivia Miller Sep 27, 2026 870 views

Question details

The user is unable to submit a Microsoft Lists form because it continues to fail or block submission even after all required fields have been completed.

Fix Microsoft Lists Form Not Submitting After Required Field Filled

Product: Microsoft Lists
Device & OS: not provided
Scenario: Attempting to submit data using a Microsoft Lists form with required fields.
Observed behavior: The form submission fails despite the required fields being filled out, likely due to browser cache conflicts, hidden custom validation rules, or account permission issues.

Before you start

Ensure you have a stable internet connection and verify that you haven't missed any dynamically generated required fields that might have appeared based on your previous answers.

Solution 1Recommended

Test with a Different Browser or InPrivate Mode

Rule out browser cache, corrupted cookies, or conflicting extensions that might be preventing the form from recognizing your input.

Browser cache issues or aggressive privacy extensions can sometimes interfere with Microsoft 365 scripts, causing the form to fail to register that a field has been completed.

Open an InPrivate/Incognito Window

Launch your browser in InPrivate mode (Ctrl+Shift+N on Edge or Chrome) to temporarily disable extensions and bypass cached data.

Access the Microsoft Lists Form

Paste the Microsoft Lists form URL into the address bar of the private window and log in to your Microsoft account if prompted.

Attempt to Submit the Form

Fill out all required fields again and click the Submit button. If the form successfully submits, clear your standard browser's cache and cookies.

Test with a Different Browser or InPrivate Mode

Try a Different Network: If the issue persists in a private browsing window, try connecting to a different Wi-Fi network or a mobile hotspot to rule out firewall or network-level blocking.

Solution 2

Check for Hidden Validation Errors and Custom Rules

Ensure no hidden field constraints or custom column formatting rules are silently failing and blocking the submission.

Solution 3

Contact Your Microsoft 365 Administrator

If local troubleshooting fails, the issue may stem from tenant configuration, account permissions, or backend service disruptions.

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Frequently Asked Questions

Why does my Microsoft form say 'this question is required' when I already answered it?

This usually happens due to browser caching issues or a glitch in the form's custom validation logic. Clearing your browser cache or trying an Incognito/InPrivate window can often force the script to register your answer.

Can tenant configuration affect Microsoft Lists form submissions?

Yes, specific tenant-level permissions, conditional access rules, or data loss prevention (DLP) policies enforced by your Microsoft 365 administrator can block certain data entries from being successfully submitted.

How do I clear browser data to fix form submission issues?

In most web browsers like Edge or Chrome, you can press Ctrl+Shift+Delete, select 'Cookies and other site data' along with 'Cached images and files', and then click 'Clear data' to resolve script conflicts.

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