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Fix InfoPath Designer 2013 Sign-In Failure After Enabling MFA
Question details
The user is unable to sign into InfoPath Designer 2013 using their work account after Multi-Factor Authentication (MFA) is enabled.
- Product
- InfoPath Designer 2013
- Device & OS
- not provided
- Scenario
- Attempting to log into the InfoPath Designer 2013 desktop application with a work account that has MFA enforced.
- Observed behavior
- The sign-in process fails completely because the legacy application does not support the modern authentication methods required by the MFA setup.
Verify with your IT administrator whether Modern Authentication is globally enforced in your Microsoft 365 tenant and check if legacy authentication protocols are still permitted.
Consult IT Administrator and Microsoft Support
Since InfoPath 2013 is a legacy application, the most reliable approach is to consult your IT admin or Microsoft Authenticator support to check for organizational workarounds.
InfoPath Designer 2013 does not natively support modern authentication methods (OAuth 2.0). When MFA is enabled, the basic authentication request is blocked by the server, resulting in a sign-in failure.
Contact your IT administrator to verify if basic authentication has been globally disabled in your Microsoft 365 environment, preventing legacy apps from logging in.
Ask for assistance via the Microsoft Authenticator Q&A forums or review the official Microsoft Authenticator FAQs for potential legacy application workarounds.
Ask your admin to review the two-factor authentication settings applied to your specific user profile to see if exceptions can be made for InfoPath.
Generate and Use an App Password
Use an app password to bypass the interactive MFA prompt for older applications that do not support modern authentication.
Temporarily Disable MFA (For Troubleshooting)
Disabling MFA confirms whether the authentication method is the sole cause of the login failure.
Switch to a Modern, Free Office Suite
If you are struggling with legacy Microsoft Office applications like InfoPath 2013 failing due to outdated authentication protocols, consider switching to WPS Office. It provides a secure, lightweight, and highly compatible workspace for your modern document needs without the hassle of legacy app conflicts and seamless migration.
- 1. Download WPS Office: Visit the official WPS website and download the free installer for your operating system.
- 2. Install the software: Run the installer and follow the on-screen prompts to set up WPS Office on your device.
- 3. Open your documents: Launch WPS Office and directly open your existing Microsoft Office files without worrying about legacy authentication errors.
Frequently Asked Questions
Why does InfoPath Designer 2013 fail to sign in when MFA is enabled?
InfoPath 2013 is a legacy application that relies on basic authentication. It lacks native support for the modern authentication protocols (OAuth 2.0) required to process Multi-Factor Authentication prompts.
Can I use an app password to sign into InfoPath 2013?
Yes, if your organization's Microsoft 365 administrator allows legacy authentication and app passwords, you can generate an app password from your Microsoft account security settings to bypass the MFA prompt.
Does disabling MFA fix the InfoPath 2013 login issue?
Temporarily disabling MFA will allow InfoPath 2013 to authenticate using basic credentials, but this is highly discouraged as it significantly lowers your account's security posture.
Will updating to a newer version of InfoPath solve the MFA issue?
No. Microsoft has discontinued InfoPath, and there are no newer versions beyond 2013. Users are encouraged to migrate to modern alternatives for form creation and document management.
