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How to Fix Microsoft To Do Web App Stuck on Loading Screen

Maira Mehtab Oct 16, 2026 870 views

Question details

The user is unable to access Microsoft To Do on the web because it remains stuck on the loading screen.

How to Fix Microsoft To Do Web App Stuck on Loading Screen

Product: Microsoft To Do
Device & OS: not provided
Scenario: Attempting to open and manage tasks using the Microsoft To Do web application across various web browsers.
Observed behavior: The web page is stuck indefinitely on the blue check mark and spinning indicator across Microsoft Edge, Google Chrome, and Mozilla Firefox.

Before you start

Verify that your internet connection is active and check the official Microsoft 365 Service Status page to ensure there are no ongoing server outages affecting Microsoft To Do.

Solution 1Recommended

Troubleshoot Network Connections and DNS Settings

Switching to a different network or DNS server can resolve routing issues that prevent Microsoft To Do from loading properly.

Because this issue occurs across multiple web browsers simultaneously, it is highly likely related to a system-wide network configuration, DNS routing issue, or ISP block rather than a specific browser cache.

Switch to an alternative network

Disconnect your device from your current Wi-Fi or wired network. Connect to an alternative network connection, such as a mobile hotspot, and refresh the browser.

Change DNS server settings

If the alternative network works, navigate to your device's network adapter settings and change your DNS server address to a public DNS provider, such as Google DNS (8.8.8.8) or Cloudflare (1.1.1.1).

Flush DNS cache

Open your system's command line interface (like Command Prompt on Windows) and run the command 'ipconfig /flushdns' to clear outdated network cache.

Troubleshoot Network Connections and DNS Settings

Network Routing Restored: Using a public DNS often bypasses regional ISP routing errors, allowing Microsoft's web services to connect and load without getting stuck.

Solution 2

Temporarily Disable Firewall or Security Extensions

Overly strict firewalls or browser security extensions might block the background scripts required for Microsoft To Do to load.

Solution 3

Clear Browser Site Data for Microsoft To Do

Clearing corrupted cache and site data specifically for Microsoft To Do can force the browser to download a fresh version of the web app.

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Frequently Asked Questions

Why does Microsoft To Do work after clearing site data but breaks when I restart the browser?

This specific behavior usually indicates a conflict with a browser extension, a strict cookie-blocking privacy policy, or third-party security software that interferes with how session data is saved and recalled when the browser closes.

How can I check if Microsoft To Do is experiencing a server outage?

You can visit the official Microsoft 365 Service Health status page or check the official Microsoft Support social media accounts for real-time updates regarding service degradation or server outages.

Will I lose my tasks if I clear my browser's cache and cookies?

No, your tasks and lists are securely synced to your Microsoft account in the cloud. Clearing local browser data only removes the temporary files on your device and forces the browser to fetch fresh data upon your next login.

What should I do if none of the troubleshooting steps fix the loading issue?

If network changes, DNS updates, and browser resets do not resolve the issue, contact official Microsoft Support directly, as the problem might require backend account synchronization fixes.

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