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Fix Microsoft 365 Freezing and Blank Window Bugs on Windows 10
Question details
The user is experiencing freezing and blank white screens in Microsoft 365 applications when opening or closing files on an older Windows 10 computer.
- Product
- Microsoft 365
- Device & OS
- Windows 10
- Scenario
- Opening and closing documents, spreadsheets, or presentations in Office applications.
- Observed behavior
- The applications freeze or display a blank white window, even though the Windows 10 OS has all available updates for its version.
Before proceeding with repairs, check your system's task manager to ensure no hidden Microsoft Office background processes are currently hung or running.
Update and Repair Microsoft 365
Checking for the latest Microsoft 365 updates and running the built-in repair tool can fix corrupted application files causing the blank window issue.
Even on older Windows 10 machines, Microsoft 365 requires the latest available application patches to function correctly. If updating fails, the Online Repair tool can replace corrupted installation files.
Open any functioning Office app like Word. Go to File > Account, click on Update Options, and select Update Now.
If the app freezes before you can update, close it and open Windows Settings. Navigate to Apps > Apps & features (or Installed apps).
Locate Microsoft 365 in the list of installed applications, click Modify, select Online Repair, and follow the prompts to reinstall the necessary files.
Launch Office in Safe Mode and Disable Add-ins
Starting Microsoft 365 in Safe Mode bypasses third-party add-ins that often cause software freezing and blank screens.
Switch to WPS Office for a Stable, Lightweight Experience
If Microsoft 365 continues to freeze or display blank windows on your older Windows 10 computer, WPS Office provides a stable, highly optimized alternative. It runs smoothly on older hardware without requiring system upgrades, while maintaining full compatibility with your existing files.
- 1. Download the Installer: Visit the official WPS Office website and download the free version.
- 2. Install on Windows 10: Run the downloaded file and follow the quick installation prompts.
- 3. Open Your Files Seamlessly: Launch WPS Office and directly open your existing Microsoft documents without any freezing or blank screen issues.
Frequently Asked Questions
Why does Microsoft Word open as a completely blank white screen?
A blank white screen is typically caused by hardware graphics acceleration issues, corrupted display drivers, or conflicting third-party add-ins. Launching the application in Safe Mode or updating your graphics drivers usually resolves this.
Can an older version of Windows 10 cause Microsoft 365 to freeze?
Yes. Microsoft 365 relies on core Windows components. If your Windows 10 PC is missing critical cumulative updates or cannot upgrade to newer builds, compatibility issues may arise, leading to freezing or crashing.
What should I do if the Online Repair tool doesn't fix the freezing bug?
If Online Repair fails, the next step is to completely uninstall Microsoft 365 using the Microsoft Support and Recovery Assistant (SaRA) tool to remove leftover registry files, followed by a fresh installation from your Microsoft account.
