Wanna change the theme or color of the Microsoft Office on Mac? Microsoft now allows users to change the Office Theme between Colorful theme and Classic theme, and Dark mode and Light mode appearance on the Mac also match on the Office. One can follow the instructions below to change the app on your Mac.
Actually, the difference between these two themes available in currently is very minimal. And you should note that, changing the them on one Office app will also apply to all other Office apps on the Mac, including Word, Excel, Powerpoint, and Outlook.
Setting a Dark mode or Light mode on the Mac now also matches the Microsoft Office app, so you want such a mode on your device as well as the Office programs, you can set the mode you prefer on your Mac.