If you run Microsoft Office alongside Windows 8.1, switch its color scheme manually: Open any Office application (like Word or Excel). Click in the top-left corner and select Account . Locate the Office Theme dropdown menu. Select Dark Gray or Black to reduce office document glare. Crucial Troubleshooting & Safety Tips
Many online tutorials mention editing the registry to enable dark mode — but on Windows 8.1, these options are extremely limited. . dark theme for windows 81
While Office on Windows 8.1 doesn't have the "Black" theme found in newer Office 365 updates, you can still darken it: Open any Office application (e.g., Word). Go to > Account . Under Office Theme , change it from "White" to Dark Gray . 3. File Explorer Alternatives If you run Microsoft Office alongside Windows 8