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Fix Missing OK Button on Microsoft 365 Stay Signed In Dialog
Question details
Users are unable to complete the authentication process because the Microsoft 365 sign-in prompt is rendering without the confirmation button.
- Product
- Microsoft 365 (Outlook, Word)
- Device & OS
- Windows, Remote Desktop Services
- Scenario
- Signing in to Microsoft 365 desktop applications.
- Observed behavior
- When signing in to Microsoft 365 apps, the 'Stay signed in to all your apps' dialog box appears without an OK button, trapping the user on the prompt.
Ensure your Windows operating system and Microsoft Edge browser components are fully up to date, as the modern authentication dialog relies on Edge WebView2 runtime.
Bypass the Blank Dialog via Web Login
Use this method to bypass cached credential conflicts by authenticating through the web browser first, which forces the desktop app to recognize the active session.
Often, the modern authentication dialog fails to render properly due to a glitch in the local credential cache. Signing in via the web version can establish a trusted session that the desktop applications can inherit.
Open a web browser, navigate to Office.com, and sign in with your Microsoft 365 credentials.
From the Microsoft 365 dashboard, click on the Outlook icon to launch the web version of your mailbox.
Open the Outlook desktop application and click on the password prompt or 'Need Password' status bar at the bottom. The app should now authenticate using the established web session without showing the blank dialog.
Allow Edge Sign-in Add-ons Through Antivirus
Adjust your endpoint security or antivirus policy to ensure it is not blocking the embedded Microsoft Edge browser processes required for the login screen.
Clear Proxy Exception List in Internet Options
Remove faulty network proxy configurations that can interfere with the sign-in dialog rendering properly.
Try WPS Office for a Hassle-Free Experience
If you are tired of troubleshooting complex Microsoft 365 sign-in issues and mandatory cloud authentications, consider switching to WPS Office. It provides a lightweight, easy-to-use desktop alternative that lets you access and edit your local documents without interruption.
- 1. Download the Installer: Visit the official WPS Office website and download the free installer for your operating system.
- 2. Install WPS Office: Run the downloaded file and follow the quick on-screen instructions to complete the setup.
- 3. Open Your Documents: Launch WPS Office and instantly open your existing Word, Excel, or PowerPoint files without worrying about sign-in errors.
Frequently Asked Questions
Why does the Microsoft 365 sign-in dialog appear blank or missing buttons?
A sign-in dialog missing buttons is typically caused by cached credential conflicts, network proxy misconfigurations, or security software blocking the embedded Microsoft Edge WebView2 components that Office uses to render the login page.
Does this missing OK button issue affect all Microsoft 365 applications?
Yes, while it is most commonly reported by users opening Outlook and Word, this authentication bug can occur in any Microsoft 365 desktop application that triggers the modern 'Stay signed in to all your apps' prompt.
Can I fix the sign-in dialog without entirely disabling my antivirus software?
Yes, you do not need to disable your antivirus. You only need to add a whitelist exclusion in your security software for the specific Microsoft Edge add-on or WebView2 process that the Office sign-in prompt relies on.
Will restarting my computer or Remote Desktop server fix the missing button?
Restarting your computer or Remote Desktop Services server may temporarily force the sign-in prompt to reload correctly, but applying the proxy fixes or clearing cached credentials via web login offers a permanent solution.
