MFA & Verification Issues

Why Microsoft Authenticator Shows an Eight-Digit Code & How to Fix It

Maira Mehtab Sep 24, 2026 871 views

Question details

Users are noticing that their Microsoft Authenticator app displays an eight-digit verification code instead of the standard six-digit format, causing confusion during the login process.

Product: Microsoft Authenticator
Device & OS: not provided
Scenario: Attempting to log into a personal, work, or school Microsoft account using two-factor authentication (MFA).
Observed behavior: The Authenticator app generates an eight-digit code, which may not match the expected verification format for the specific account type.

Before you start

Verify whether you are trying to log into a personal Microsoft account or a Work/School account, as enterprise security policies often mandate different authentication methods and code lengths.

Solution 1Recommended

Verify the Account Profile and Code Format

Ensure you are using the correct profile within the Authenticator app for the account you are trying to access, as work and personal accounts use different code formats.

Microsoft Authenticator registers personal accounts and work or school accounts differently. It is common for enterprise environments to require eight-digit verification codes for enhanced security, whereas personal accounts typically use six digits.

Open the Authenticator App

Launch the Microsoft Authenticator app on your mobile device.

Identify the Account Type

Look at the list of registered accounts. Check if the account generating the eight-digit code is labeled as 'Work or school' or 'Personal'.

Match the Login Prompt

If the login screen explicitly asks for an eight-digit code, enter the code exactly as displayed. If it asks for six digits, ensure you have selected the personal profile in the Authenticator app.

Multiple Profiles: If you use the same email address for both personal and work purposes, you may have two separate profiles in the app. Make sure you tap the correct one.

Solution 2

Contact Your Administrator to Reset MFA

If the eight-digit code is consistently rejected or you cannot access the correct profile, your IT administrator may need to reset your authentication settings.

Solution 3

Consult Microsoft Q&A and Official FAQs

Seek additional guidance from official Microsoft resources if you manage the account yourself or if standard troubleshooting fails.

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Frequently Asked Questions

Can I manually change the verification code length in Microsoft Authenticator?

No, the code length (usually six or eight digits) is automatically determined by the security policies of the service or the organization you are logging into.

Why do I have multiple profiles for the same email in Authenticator?

If you use the same email address for both a personal Microsoft account and a Work/School account, Microsoft treats them as completely separate identities with different authentication requirements, resulting in two distinct profiles.

What should I do if my eight-digit code is consistently rejected?

First, ensure your device's time and date settings are set to 'Automatic', as code generation is heavily time-sensitive. If the issue persists, contact your organization's IT administrator to reset your MFA configuration.

Login & Account Issues