Change the background of your slides in PowerPoint Online

In PowerPoint Online, you can do basic background formatting of one or more slides with a solid color or a picture. To do more advanced formatting, such as adding a color gradient or making a picture transparent, use the desktop PowerPoint app.

Format the slide background with color

  1. On the Design tab, select Format Background.

    Format Background

  2. Select Solid Fill, and pick a color from the gallery.

    Note: To reset the background to its previous state, on the Home tab, select Undo Undo your last action .

    Format the background with color
  3. To make all slides have this same background color, on the Design tab, select Format Background > Apply to All.

    Apply this format to all slides in my presentation

Format the slide background with a picture

When you insert a picture as a background, PowerPoint resizes the image as best as it can to fill the entire area of the slide. For best results, choose a picture that has the same orientation as your slides.

  1. On the Design tab, select Format Background.

    Format Background

  2. Select Picture From File.

    Note: To reset the background to its previous state, on the Home tab, select Undo Undo your last action .

  3. To make all slides have this same background picture, on the Design tab, tap or click Format Background, and tap or click Apply to All.

    Apply this format to all slides in my presentation

PowerPoint Online supports the following picture formats: .jpg, .jpeg, .png, .gif, .bmp, .wmf, .emf, .tif, and .tiff.

PowerPoint Online doesn't have the ability to make a picture transparent. Use the desktop PowerPoint app if you want to make a background picture transparent.

Remove a background

If you have just added a background picture or color and decided not to use it, you can remove it by using Undo  Undo your last action on the Home tab of the ribbon.

If the Undo command doesn't work, you can remove whatever slide background you currently have by resetting to a solid white background:

  1. On the Design tab, tap or click Format Background.

  2. Tap or click Solid Fill, and pick White, Background 1 at the top left corner of the color picker.

    Format the background with color

Apply a comprehensive design theme to your presentation

PowerPoint Online comes with themes—sets of professionally designed layouts, fonts, and colors. After you select a theme, all your slides will follow that look. For more information, see Apply a colorful theme to your presentation.

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