To change the background color and design of all your Office programs, go to File > Account from any open Office program, and then click the drop down menu next to Office Theme. (Or, go to File > Options > General > Office Theme).

Shows Office Theme options in PowerPoint 2016

Colorful theme

The colorful theme aligns with the visuals of our modern Office apps by bringing their primary accent color to the ribbon.

The colorful theme in Excel 2016:
Shows the colorful themed ribbon in Excel 2016

The colorful theme in PowerPoint 2016:
Shows the colorful themed ribbon in PowerPoint 2016

The colorful theme in Word 2016:
Shows the colorful ribbon in Word 2016

Dark gray theme

The dark gray theme is perfect for those who prefer a softer take on high-contrast visuals. Here's an example of the dark gray theme applied to PowerPoint 2016:

Shows PowerPoint 2016 with the Dark Gray theme applied

Black theme

This feature is only available if you have an Office 365 subscription. If you are an Office 365 subscriber, make sure you have the latest version of Office.

The Black theme provides the highest-contrast visual for your Office theme. Here's an example of the black theme applied to PowerPoint 2016:

Shows the Black Theme in PowerPoint 2016 for Windows

White theme

The white theme displays the classic look of Office. Here's an example of the White Theme in PowerPoint 2016:

Shows PowerPoint 2016 with the White Theme applied.