Outlook Login Problems

How to Fix Outlook Poll Not Opening and Sign-In Loop

Huma Ashraf Ch Sep 28, 2026 869 views

Question details

The user is experiencing a continuous sign-in loop in Outlook on the web when trying to open a poll from the Outlook desktop client.

How to Fix an Outlook Poll That Cannot Be Opened

Product: Microsoft Outlook
Device & OS: not provided
Scenario: Attempting to view and vote on a poll within an email using the Outlook desktop application.
Observed behavior: Clicking 'View Poll' triggers an endless sign-in loop in the web browser, preventing the user from accessing the poll, even though it works correctly on a mobile device.

Before you start

Ensure you have your Microsoft account credentials handy and check if the poll opens correctly on your mobile device to confirm the issue is isolated to your desktop environment.

Solution 1Recommended

Diagnose and Isolate the Local Client Issue

Identify if the problem is specific to your local Outlook desktop client by testing across different platforms and accounts.

Because polls rely on Microsoft Forms web services, authentication issues often arise when the desktop client fails to securely pass credentials to the web browser. Isolating the issue helps determine if it's an account restriction or a local cache problem.

Verify Account Type

Check whether you are using a Microsoft 365 business account or a personal account (such as Outlook.com, Hotmail, or Live). Note this down, as some polling features have specific restrictions depending on the account type.

Check Outlook Web Access (OWA)

Open a web browser, navigate to Outlook on the web, and log in. Attempt to open the poll directly from the web inbox without using the desktop link.

Test on a Mobile Device

Open the Outlook app on your smartphone and try accessing the poll. If it works seamlessly, the issue is confirmed to be localized to your desktop client.

Diagnose and Isolate the Local Client Issue

Capture Error Details: Take screenshots of any specific error codes or disabled buttons during the sign-in loop. This information is crucial if you need to escalate the issue to Microsoft Support.

Solution 2

Clear Browser Cache and Windows Credentials

Clear outdated cached credentials that may be causing the browser to constantly request re-authentication.

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Frequently Asked Questions

Why does clicking View Poll in Outlook redirect me to a web browser?

Outlook polls are built using Microsoft Forms, which is a web-based service. The desktop client redirects you to the web to securely authenticate your identity and submit your response.

How can I stop the endless login loop in Outlook on the web?

Login loops are usually caused by conflicting cached credentials or cookies in your default browser. Clearing your browser's cookies and Microsoft-related cache, as well as clearing the Windows Credential Manager, often resolves the issue.

Will my poll response still count if I vote from my mobile device?

Yes. As long as you are logged into the same Microsoft account on your mobile device, your vote will be authenticated and recorded correctly by Microsoft Forms.

Outlook & Email Problems