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Exchange Connection Problems

Fix Outlook on the Web Keeps Reloading and Won't Open Messages

Maira MehtabMaira Mehtab Sep 22, 2026 869 views

Question details

Users are experiencing a continuous reloading loop in Outlook on the web, which prevents them from opening emails or interacting with the calendar.

Product
Outlook on the web
Device & OS
not provided
Scenario
Attempting to access, read, or manage emails and calendar invitations via a web browser.
Observed behavior
The Outlook web interface constantly refreshes and reloads on its own, making it impossible to click on, open, or view messages and calendar events.
Before you start

Ensure your internet connection is stable and verify if other Microsoft 365 web services are loading properly before modifying your browser settings.

Solution 1Recommended

Use Incognito Mode and Clear Browser Data

Using a private browsing window helps determine if corrupted cached data or installed browser extensions are causing the continuous reload loop.

Browser extensions like ad blockers, as well as corrupted site cookies, frequently interfere with the web scripts required to load Outlook properly.

1
Open a Private Browsing Window

Launch your web browser and open a new InPrivate window (Microsoft Edge) or Incognito window (Google Chrome), then navigate to Outlook on the web and log in.

2
Test Email Access

Attempt to open an email message or create a calendar invite. If the site functions normally without reloading, the issue is tied to your standard browsing profile.

3
Disable Browser Extensions

Return to your normal browser window, go to the extensions management page, and disable all active extensions. Refresh Outlook to see if it works, then turn them on one by one to find the conflicting extension.

4
Clear Cached Cookies and Site Data

Navigate to your browser's privacy and security settings. Select the option to clear browsing data, ensuring that cookies and cached files specifically for Outlook and Microsoft 365 are checked and deleted.

Quick Diagnostic: If Incognito mode immediately resolves the issue, a quick clearing of your cache and cookies is usually the permanent fix.
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Frequently Asked Questions

Why does Outlook on the web keep refreshing automatically?

This usually happens due to corrupted browser cache files, conflicting browser extensions (especially ad blockers or privacy shields), or an outdated browser version that fails to run Microsoft's web scripts properly.

Will clearing my browser cache delete my emails or calendar events?

No, clearing your browser cache and cookies only removes temporary web data saved locally on your device. Your emails, contacts, and calendar events are safely stored on Microsoft's Exchange servers.

How do I access my emails if Outlook web continues to fail?

If the web version remains inaccessible, you can use the desktop Outlook application, the default Mail app on your computer, or configure your account on your smartphone's mobile email client.

Which web browsers are fully supported by Outlook on the web?

Outlook on the web performs best and receives full support on the latest stable versions of Microsoft Edge, Google Chrome, Mozilla Firefox, and Apple Safari.