Word) will change the theme and background of all the apps in the Office suite to provide a unified experience. The background and theme you apply in one Office app (e.g. When you use the new black theme (dark mode) for the Word, it will not only change the theme of the toolbar and Ribbon but also the writing canvas of the Word document. Also, if you have Microsoft 365, you can use the new dark mode feature for your Office apps. However, Office’s dark grey, colorful, and system themes are only available to Microsoft 365 version. This feature is mostly available to Microsoft Office 365, Office 2019, and Office 2016. Now, Microsoft Office allows you to easily switch between dark, light, colorful, dark grey, and system themes. Also, it is better to work with the light mode in bright light conditions and dark mode at the night or in dark environments. Users with normal vision may like to use their computer in light mode, whereas some users, especially people with contract problems may prefer dark mode. Learn how to personalize the theme and background of MS Word (Office apps) as well as how to switch between the ‘Light’ and ‘Dark’ modes.