Outlook Login Problems

How to Fix Google Two-Step Verification POP3 Errors in Outlook

Natalie Taylor Sep 30, 2026 869 views

Question details

The user is unable to authenticate their Google account in Outlook via POP3 because two-step verification is blocking the standard password.

How to Fix Google Two-Step Verification POP3 Errors in Outlook

Product: Microsoft Outlook
Device & OS: not provided
Scenario: Setting up or connecting a Google email account in the Outlook desktop application using the POP3 protocol.
Observed behavior: Outlook continuously rejects the regular Google account password for POP3 authentication due to Google's two-step verification security requirements.

Before you start

Ensure you have access to your Google account via a web browser and verify whether you have administrative privileges, as you will need to generate a specific application password to bypass the security block.

Solution 1Recommended

Create and Use a Google App Password

Generate a dedicated App Password from your Google account settings to use in Outlook instead of your regular password.

Google requires an approved authentication method for accounts with two-step verification. Since older protocols like POP3 in Outlook cannot prompt for secondary verification steps, you must use a dedicated 16-character App Password.

Sign in to Google Security Settings

Open your web browser, navigate to your Google Account management page, and select 'Security' from the left navigation panel.

Access 2-Step Verification

Scroll down to the 'Signing in to Google' section and click on '2-Step Verification'. You may be prompted to enter your password again.

Generate the App Password

Scroll to the bottom of the 2-Step Verification page and select 'App passwords'. Choose 'Mail' as the app and 'Windows Computer' (or your specific device) as the device, then click 'Generate'.

Update Outlook Settings

Open Outlook, go to File > Account Settings. Select your Google POP3 account, and replace your normal password with the 16-character app password generated by Google.

No Spaces Required: When pasting the 16-character app password into Outlook, you do not need to include the spaces shown on the Google screen.

Solution 2

Contact Your Google Workspace Administrator

If the App Passwords option is missing, your organization's security policies may be blocking it.

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Frequently Asked Questions

Why is Outlook rejecting my correct Google password?

When Google 2-Step Verification is enabled, standard password authentication for older protocols like POP3 is blocked to protect your account. You must generate and use a Google App Password instead.

Should I turn off 2-Step Verification to fix the Outlook POP3 error?

No, disabling 2-Step Verification is strongly discouraged as it removes a critical layer of security from your account. The correct approach is to use an App Password.

Where do I find the App Passwords setting in my Google account?

Navigate to your Google Account settings, click on 'Security', and look under the 'Signing in to Google' section. You must click into the '2-Step Verification' menu to find the 'App passwords' option at the bottom.

What if the App Passwords option is missing in my Google Security settings?

If you are using a work or school account (Google Workspace), your domain administrator may have disabled this feature. You will need to contact your IT department to enable it or switch to a modern email client that supports OAuth 2.0.

Outlook & Email Problems