Fix Microsoft Lists Showing Old Column Names & Ignoring JSON Formatting
Question details
A specific user is experiencing an issue where Microsoft Lists displays outdated column names and fails to apply custom JSON view formatting.

- Product
- Microsoft Lists
- Device & OS
- not provided
- Scenario
- Viewing a customized list in Microsoft Lists where column names were updated and JSON formatting was previously applied.
- Observed behavior
- The list displays incorrect, old column headers and does not render the custom JSON-formatted details view for one specific user, even across different devices and after app reinstallations.
Verify if the issue is browser-specific by opening the same Microsoft List in a completely different web browser (like Google Chrome or Microsoft Edge) to see if the correct columns and JSON formatting load.
Clear Browser Cache and Test in Incognito Mode
Resolve local caching issues or extension conflicts that prevent Microsoft Lists from fetching updated list schemas.
Often, Microsoft Lists caches metadata locally to improve performance. If this cache becomes corrupted, you might see old column names or missing JSON formatting. Browser extensions can also interfere with the scripts required to render JSON views properly.
Launch your primary browser and open a private browsing window (e.g., press Ctrl+Shift+N in Google Chrome or Microsoft Edge).
Log in to your Microsoft 365 account in the private window and open the affected list. Check if the updated column names and JSON formatting now display correctly.
If the list works correctly in the private window, return to your normal browser window. Go to the browser's settings, navigate to privacy and security, and clear your cached images, files, and cookies.
Temporarily disable your browser extensions one by one from the extensions menu, refreshing the Microsoft List each time to identify if an extension is causing the conflict.

Submit a Microsoft 365 Support Ticket
Request backend investigation for persistent account-specific synchronization issues.
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Frequently Asked Questions
Why does Microsoft Lists ignore my custom JSON formatting?
JSON formatting can be ignored if there is a syntax error in your code, if the browser has cached an older version of the list schema, or if a browser extension is blocking the script from executing properly.
How can I force Microsoft Lists to refresh column names?
You can force a refresh by pressing Ctrl + F5 in your browser, clearing your browser's temporary internet files, or going to List Settings > Advanced Settings and re-indexing the list.
Can a specific Microsoft account get stuck with outdated list views?
Yes, occasionally backend synchronization issues can cause a specific user's account to serve stale metadata. If clearing the local cache and testing on another device fails, a Microsoft 365 admin must raise a support ticket to clear the backend server cache for that user.




