Microsoft 365 Error Codes

How to Fix Microsoft Forms Session or Correlation ID Error

Maira MehtabMaira Mehtab Nov 2, 2026 870 views

Question details

The user is unable to open or submit a Microsoft Form due to a displayed session or correlation ID error.

How to Fix Microsoft Forms Session or Correlation ID Error
Product
Microsoft Forms
Device & OS
not provided
Scenario
Attempting to open, view, or submit a response to an online Microsoft Form.
Observed behavior
The form fails to load or submit successfully, and instead displays a specific session ID and correlation ID on the screen.
Before you start

Before troubleshooting, carefully copy the exact session ID and correlation ID displayed on your screen, as these alphanumeric codes will be necessary if you need to escalate the issue to Microsoft Support.

Solution 1Recommended

Switch Browsers or Use Private Browsing Mode

Use this solution to rule out browser cache, cookies, or extension conflicts that might be blocking the form from loading or submitting.

Often, temporary session data or tracking-prevention extensions in your current browser can interfere with Microsoft Forms authentication, triggering a session error. Testing in a fresh browser environment helps isolate the problem.

1
Open a Private Window

In your current browser, open a new Incognito or InPrivate window. For Chrome, press Ctrl+Shift+N; for Edge, press Ctrl+Shift+N.

2
Access the Form

Paste the Microsoft Forms link directly into the address bar of the private window and press Enter to see if it loads properly.

3
Try an Alternative Browser

If the private window fails, open a completely different web browser (such as switching from Chrome to Firefox or Edge) and attempt to access the form again.

Switch Browsers or Use Private Browsing Mode
Clear Browser Cache: If the form works in a private window or another browser, clearing your primary browser's cache and cookies will likely resolve the issue permanently.
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Frequently Asked Questions

What is a correlation ID in Microsoft 365?

A correlation ID is a unique alphanumeric identifier generated by Microsoft servers when you make a request. If an error occurs, this ID helps Microsoft Support technicians locate the exact server logs to diagnose why your specific session failed.

Why does the form error only happen in my default browser?

Browser cache, outdated tracking cookies, or strict privacy extensions can block the authentication scripts required by Microsoft Forms. This prevents the server from verifying your session, leading to a session ID error.

Can I recover a form that constantly shows a session error?

If testing reveals the error only affects one specific form across all browsers and devices, the form itself may be corrupted. You will need to contact Microsoft Support with your correlation ID, or duplicate the form if you can still access it in the editor.

Does WPS Office have a tool similar to Microsoft Forms?

Yes, WPS Office includes a Smart Form feature within WPS Spreadsheet. It allows you to quickly create simple forms, collect data via shared links, and have the responses automatically populate directly into your spreadsheet for easy analysis.