You can use your mobile device to change the theme or background color of your PowerPoint slides.
On your Android tablet or phone
Change the design theme
-
TapÂ
 Edit, tap Home, and then tap Design. -
Tap Themes to see a gallery of available themes.
-
Tap a design theme to apply it to your presentation.
Change the background color
-
Tap Design and select Format Background.
-
Tap > on the right and choose a background color for your slide.
-
To remove background formatting, select No Fill.
-
To see more color options, select More Colors.
-
On your iPad or iPhone
Change the design theme
-
On your iPad, tap the Design tab. On iPhone, tap
 Edit, tap , tap Home, and then Design. -
Tap Themes to see a gallery of designs.
-
Tap a design to apply it to your presentation.
Change the background color
-
On the Design tab, tap Format Background.
-
You will see the background colors divided into Theme Colors and Standard Colors. Theme colors coordinate with the theme you selected previously. You can select a solid color or a color gradient.
For more choices, scroll down and tap More Colors, and then move the selectors to any custom color or gradient shown. Tap Apply to apply the custom color.