Office Settings & Configuration

Fix Microsoft Office Theme Automatically Changing to Black

Maira Mehtab Sep 22, 2026 868 views

Question details

The user is experiencing an issue where Microsoft Office keeps switching to the Black theme automatically, despite having the White theme actively selected in the application settings.

Product: Microsoft Office
Device & OS: Windows
Scenario: Configuring the Microsoft Office appearance and theme preferences.
Observed behavior: Microsoft Office ignores the user's saved White theme preference and automatically forces the Black theme to activate.

Before you start

Ensure you have saved all your open documents and closed all Microsoft Office applications before proceeding with the Windows repair process.

Solution 1Recommended

Run an Office Quick Repair via Windows Settings

Use the built-in Windows Apps and Features menu to execute a Quick Repair for Microsoft Office, which resets faulty internal configurations like stuck themes.

Microsoft Office handles its updates and certain configurations internally rather than relying on Windows Update. When background settings corrupt, it can cause the interface theme to revert automatically. Running a Quick Repair scans and replaces these corrupted configuration files locally without needing to download the entire software package again.

Restart your computer

Reboot your Windows computer to ensure no background Office processes are locked or actively running.

Open Apps and Features

Click the Start menu, type 'Apps and Features' (or 'Installed apps' in Windows 11), and press Enter to open the system settings.

Modify the Office installation

Scroll down to find your Microsoft Office installation in the app list. Click on it (or click the three-dot menu) and select 'Modify'.

Execute Quick Repair

Select the 'Quick Repair' option from the prompt window and click 'Repair'. Follow the on-screen instructions until the process finishes.

Verify the theme setting

Reopen any Microsoft Office application, navigate to File > Account, and select the 'White' theme. Close and reopen the application to confirm the theme no longer switches to Black.

Office Updates Management: Keep in mind that Office updates are handled internally. To ensure you have the latest bug fixes, open an Office app and go to File > Account > Update Options > Update Now.

Free Microsoft Office alternative

Try WPS Office for a Stable and Customizable Workspace

If Microsoft Office continues to experience persistent UI glitches or unwanted theme changes, consider switching to WPS Office. It provides a highly stable, lightweight workspace that keeps your customized appearance settings intact.

1. Download the installer: Visit the official WPS website and download the free WPS Office installer.
2. Install WPS Office: Run the setup file and follow the quick installation prompts to set up your workspace.
3. Open your files: Double-click your existing Office documents to open them seamlessly in WPS Office without losing any formatting.

Stable interface settings that never force unexpected theme changes.Fully compatible with Microsoft Office formats, including DOCX, XLSX, and PPTX.Lightweight installation ensures fast startup times and smooth operation on any PC.Completely free to use with comprehensive document, spreadsheet, and presentation editing tools.

microsoft office alternative - wps office

Frequently Asked Questions

How do I manually change the theme in Microsoft Office?

To manually adjust your theme, open any Office application like Word or Excel. Click on 'File' in the top left corner, select 'Account' at the bottom of the left sidebar, and look for the 'Office Theme' dropdown menu. From there, you can choose White, Colorful, Dark Gray, or Black.

Why are Office updates not showing up in Windows Update?

Microsoft Office manages its own update cycle internally rather than passing them through the standard Windows Update service. You can trigger these updates manually by going to File > Account > Update Options and clicking 'Update Now' within any Office application.

What is the difference between Quick Repair and Online Repair for Office?

Quick Repair runs locally using cached files on your computer and completes in a few minutes, making it ideal for fixing minor glitches like theme switching. Online Repair uninstalls and completely reinstalls Office using the internet; it takes much longer but is necessary for severe software corruption.

Office App Problems