Sign-in & Login Problems

Fix Blank Microsoft 365 Password Screen on Mac

Maira Mehtab Sep 22, 2026 869 views

Question details

The user is unable to complete the Microsoft 365 authentication process because the password input screen fails to load after entering an email address.

Product: Microsoft 365
Device & OS: Mac
Scenario: Signing in to Microsoft 365 applications
Observed behavior: The sign-in window accepts the user's email address but transitions to a completely blank screen instead of displaying the password input field.

Before you start

Ensure your Mac is connected to a stable internet connection and temporarily disable any active VPNs, firewalls, or custom security software that might block Microsoft's authentication servers.

Solution 1Recommended

Switch Networks and Update DNS Settings

Network routing issues or DNS failures can prevent your Mac from connecting to Microsoft's secure authentication servers, resulting in a blank screen.

Often, internet service providers (ISPs) have default DNS servers that struggle to resolve Microsoft's login portal. Switching to a public DNS, such as Google DNS, usually resolves this issue immediately.

Test a different network

Switch to a different Wi-Fi network or use your mobile phone's hotspot to see if the blank screen issue is specific to your current network.

Open Network Settings

Click the Apple menu, select 'System Settings' (or 'System Preferences'), and click on 'Network'.

Access Advanced Options

Select your active network connection and click the 'Details' or 'Advanced' button.

Change DNS Servers

Navigate to the 'DNS' tab. Click the '+' button at the bottom of the DNS Servers list and add '8.8.8.8' and '8.8.4.4' (Google Public DNS).

Apply and Retry

Click 'OK' to save the changes, restart your Microsoft 365 application, and try signing in again.

Tip: If the issue is resolved by switching to a mobile hotspot but not the DNS change, you may need to contact your Internet Service Provider to clear routing restrictions.

Solution 2

Sign in Using an Account Alias

Occasionally, primary email addresses encounter routing glitches during authentication. Using an alternate email alias can bypass the error.

Solution 3

Test with a New Mac User Account

Corrupted local user profiles or keychain issues can prevent Microsoft apps from properly loading the password screen.

Free Microsoft Office alternative

Use WPS Office to Avoid Login Interruptions on Mac

If Microsoft 365 continues to block your workflow with frustrating sign-in issues, consider switching to WPS Office. It provides a lightweight, highly compatible, and free alternative to Microsoft Office without requiring complex online authentication just to edit your local files.

1. Download the installer: Visit the official WPS Office website and download the Mac version of the software.
2. Install the application: Open the downloaded file and drag the WPS Office icon into your Applications folder.
3. Open your files directly: Launch WPS Office and instantly open your existing Microsoft Office files without dealing with blank login screens.

Fully compatible with Microsoft Office formats including DOCX, XLSX, and PPTX.No forced online sign-in required to create or edit local documents.Lightweight design that runs smoothly on all macOS versions.All-in-one suite combining Word, Excel, and PowerPoint alternatives in a single app.

microsoft office alternative - wps office

Frequently Asked Questions

Why does Microsoft 365 show a blank screen when signing in?

This usually happens due to network connection issues, restrictive firewall settings, or DNS configuration problems that prevent your Mac from properly communicating with Microsoft's secure login servers.

Will clearing the Mac Keychain fix the blank password screen?

Yes, sometimes outdated or corrupted authentication tokens cause conflicts. You can open the Keychain Access app on your Mac, search for 'Microsoft', delete the related cached credentials, and then try signing in again.

Does my macOS version affect Microsoft 365 sign-in?

Yes, using a significantly outdated macOS version can cause compatibility issues with newer Microsoft 365 updates, which may result in rendering bugs like a blank login screen. Ensure your macOS is up to date via System Settings.

Login & Account Issues