In excel a theme can be applied using the themes button in the themes group on?

In Excel, a theme can be applied using the Themes button located in the Themes group on the Page Layout tab. By clicking this button, you can choose from a variety of predefined themes that alter the color scheme, font styles, and effects for your entire workbook. This allows for consistent and visually appealing formatting across all sheets. You can also create custom themes to suit your specific design preferences.