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Office Apps Not Opening

How to Fix Microsoft 365 Home Page Turning White

Maira MehtabMaira Mehtab Sep 27, 2026 871 views

Question details

The user is experiencing an issue where the Microsoft 365 home page briefly loads and then turns completely blank or white, even though individual applications like Word and Excel are still functioning properly.

Product
Microsoft 365
Device & OS
not provided
Scenario
Attempting to launch the Microsoft 365 home application to access the main dashboard or open recently used files.
Observed behavior
The Microsoft 365 launcher briefly displays its loading screen before turning into a solid white page, blocking access to the home interface while standalone Office apps continue to work.
Before you start

Verify that your internet connection is stable, and confirm whether you can still open standalone applications like Word or Excel directly from your Start menu or desktop shortcuts.

Solution 1Recommended

Uninstall and Reinstall the Microsoft 365 Application

Since the individual apps work but the home page fails, the Microsoft 365 app installation is likely corrupted. Reinstalling the suite is the most effective fix.

This solution will remove the corrupted application files causing the white screen error and replace them with a fresh installation. This process will not delete any of your personal documents or local files.

1
Download the Uninstall Tool

Navigate to the official Microsoft Support website and download the official Microsoft 365 uninstall support tool.

2
Run the Uninstall Tool

Launch the downloaded tool and follow the on-screen prompts to completely remove the Microsoft 365 applications from your system.

3
Reinstall from Microsoft Account

Log into your Microsoft account online, navigate to the 'Services & subscriptions' page, locate your Microsoft 365 subscription, and click 'Install' to download and run the latest setup file.

Issue Resolved: Many users report that completely uninstalling and reinstalling the application permanently fixes the white screen issue on the home page.
Free Microsoft Office alternative

Avoid Launcher Issues with WPS Office

If the Microsoft 365 home page continues to display a white screen or requires frequent reinstalls, consider switching to WPS Office. WPS Office offers a stable, all-in-one lightweight workspace without relying on buggy separate launcher applications.

  1. 1. Download the Installer: Visit the official WPS website and download the free WPS Office installation package.
  2. 2. Install WPS Office: Run the downloaded file and follow the quick setup instructions to install the suite on your device.
  3. 3. Open Your Files Directly: Launch WPS Office and instantly open your existing Microsoft formats (.docx, .xlsx, .pptx) in a unified workspace without blank home screens.
Free and lightweight installation with high stabilityFully compatible with Microsoft Word, Excel, and PowerPoint formatsAll-in-one tabbed interface for seamless document managementFamiliar user layout ensures zero learning curve
microsoft office alternative - wps office

Frequently Asked Questions

Why does only my Microsoft 365 home page turn white while Word and Excel still work?

The Microsoft 365 home page operates as a central hub or launcher that is separate from the core desktop applications. If the launcher's specific cache is corrupted or if its interface files are damaged, it will display a white screen, while standalone apps like Word and Excel remain unaffected.

Will uninstalling Microsoft 365 delete my personal documents?

No, uninstalling the Microsoft 365 application only removes the software suite from your device. All of your locally saved documents, spreadsheets, and files stored in OneDrive are completely safe and will remain accessible once you reinstall the software.

How do I identify which add-in is causing the white screen issue?

After starting your application in Safe Mode (e.g., using 'excel /safe'), disable all COM add-ins through the Options menu. Then, restart the application normally and re-enable the add-ins one by one, restarting after each activation, until the white screen issue returns. The last re-enabled add-in is the cause of the problem.