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How to Fix Microsoft Planner Oops Error and Loading Issues

Maira Mehtab Sep 22, 2026 868 views

Question details

The user is experiencing an 'Oops' error in Microsoft Planner, causing the web application to fail to load and repeatedly prompt for a page refresh.

Product: Microsoft Planner
Device & OS: not provided
Scenario: Attempting to access and load Microsoft Planner via a web browser, specifically encountering issues in Microsoft Edge.
Observed behavior: Microsoft Planner displays an 'Oops' error message, gets stuck in a loop repeatedly asking the user to refresh the page, and completely fails to load the task interface.

Before you start

Ensure you have your Microsoft account login credentials handy, as resolving this issue may require you to sign back into your session after clearing browser data.

Solution 1Recommended

Modify the URL to Force a Clean Sign-In

Removing specific parameters from the Planner URL can bypass the loading loop and reveal a working sign-in option.

Inspect the address bar

Look at the address bar in your browser where the Microsoft Planner URL is currently displayed.

Remove trailing URL parameters

Delete any content in the URL that appears after the main path separator (for example, remove any long query strings after tasks.office.com).

Reload the modified URL

Press Enter to reload the cleaned URL, which should stop the refresh loop.

Sign in again

Click on the working sign-in button that appears on the screen and log in with your Microsoft account credentials.

Quick Fix: This is often the fastest way to bypass a stuck authentication token without losing any active tabs.

Solution 2

Clear Browser Cache and Cookies in Microsoft Edge

Corrupted cookies or cached sign-in data in Microsoft Edge can trigger the continuous Oops error.

Solution 3

Access Microsoft Planner Using a Different Browser

If the issue persists in Microsoft Edge, using an alternative browser can help bypass localized browser glitches.

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Frequently Asked Questions

Why does Microsoft Planner keep asking me to refresh?

This continuous refresh loop usually occurs due to corrupted browser cache, outdated sign-in tokens, or URL parameter conflicts that prevent the webpage from authenticating your user session correctly.

Is Microsoft Planner down when it shows an Oops error?

Not necessarily. While Microsoft's servers can occasionally experience temporary outages, the 'Oops' error accompanied by a refresh prompt is most often a localized issue related to your specific browser profile, such as Edge cache conflicts.

Will clearing my browser cache delete my Planner tasks?

No, clearing your browser cache only removes temporary internet files and saved cookies from your local device. Your Planner tasks and project boards are stored safely in the cloud on Microsoft's servers.

Does Microsoft Planner work better on certain browsers?

Microsoft Planner is designed to be fully functional on all modern web browsers, including Edge, Chrome, Safari, and Firefox. If it fails to load in one browser, testing it in another is a reliable way to bypass browser-specific bugs.

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