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Fix Microsoft Account Not Recognized and Authenticator Sign-In Loop in Excel
Question details
Users experience a continuous Microsoft Authenticator sign-in loop or an account not recognized error when trying to log into Excel with an organizational account.
- Product
- Microsoft Excel
- Device & OS
- not provided
- Scenario
- Signing into Excel using a work or school account that requires Multi-Factor Authentication (MFA).
- Observed behavior
- Excel repeatedly prompts for Microsoft Authenticator approval, but the sign-in loops or fails to recognize the account because MFA is not properly configured on the device.
Ensure you have your Microsoft Authenticator app installed and updated on your mobile device, and verify that you have an active internet connection before attempting to reconfigure your account.
Contact Your Microsoft 365 Administrator to Reset MFA
The most effective way to break the MFA loop for organizational accounts is to have your IT admin reset your authentication methods.
Sign-in loops usually occur when there is a mismatch between the device's token and the server's MFA expectations. Because organizational accounts are centrally managed, end-users often lack the permissions to reset their own MFA status when locked out.
Contact your organization's IT support team or Microsoft 365 administrator.
Ask them to revoke your existing MFA sessions and select 'Require re-register MFA' for your account in the Microsoft Entra admin center.
Once the admin confirms the reset, open Excel and attempt to sign in again. You should be prompted to set up your Microsoft Authenticator from scratch.
Access Microsoft Community Support via Private Messages
If you are working with Microsoft Support on the community forums, you must use their secure Private Message feature to resolve account issues without exposing credentials.
Use WPS Office to Bypass Microsoft Login Issues
Tired of dealing with Microsoft Authenticator loops and login errors? WPS Office offers a lightweight, hassle-free alternative that lets you view and edit your spreadsheets immediately without complex account verification barriers.
- 1. Download WPS Office: Download and install WPS Office for free from the official website.
- 2. Open Your Spreadsheet: Launch the application, click 'Open', and select your existing Excel files.
- 3. Edit Instantly: Start editing your document immediately without being blocked by Microsoft authentication loops.
Frequently Asked Questions
Why does Excel keep asking for Microsoft Authenticator?
This usually happens when your organization updates its security policies to require Multi-Factor Authentication (MFA), but the Authenticator app on your device is not properly linked or synced with your current Excel login session.
How do I access Private Messages on the Microsoft Community?
Log into the Microsoft Community website directly, click your profile picture at the top right, and select 'View private messages'. Avoid clicking links from email notifications if they result in an empty page.
Can I bypass the Microsoft Authenticator prompt in Excel?
No, if your organization mandates MFA, you cannot bypass it. You must complete the registration or ask your IT admin to temporarily exclude your account or reset your MFA methods.
What should I do if the Authenticator app doesn't show any notifications?
Open the Authenticator app manually and check for pending requests. Alternatively, on the Excel login screen, click 'I can't use my Microsoft Authenticator app right now' to choose a fallback method like SMS or a verification code, if your admin allows it.
