Word users can turn on Dark mode in the canvas by going to: File > Account > Office Theme > Black. As expected, after the setting is changed, the previously white page color goes dark grey or black.

To enable dark mode in Microsoft Word, switch the theme to "Black" in the Account menu. You can make the document white or black using the "Switch Modes" button in the ribbon's View tab.

How to switch to Dark Mode, Gray, White, Gray, Colorful or Black theme in Word, Excel, PowerPoint, etc. Open any Office program (Microsoft Word, Excel, PowerPoint, etc.) and click on the ‘ File ...

An update for Office 365 Beta Insiders brings an updated black mode to Microsoft Word. The new black mode inverts your document's color, rather than just inverting the color of menus.

It could be possible that the Office theme settings in Word are set to system settings or black which makes the background dark. Since the system setting is set to dark mode, it’s by default ...

Insiders can now check out the new dark mode within Word for macOS. ... You can set Word to dark mode on macOS separately from changing the theme settings on macOS.