A footer text box will appear at the bottom. A dialog box will appear, where you must check “Footer”.Select the slide master (the first one, which acts as the parent slide), then go to the Slide Master tab and click Master Layout.To do so, on the View tab, in the Master Views group, click Slide Master. Open one of our templates in PowerPoint.If you’ve applied a footer to all the slides, any adjustments made on one individual slide won’t affect the footer on the rest of the slides.To change the fill color, the outline color or to apply effects such as a shadow, use the options found in the Drawing group. To change the alignment, use the settings found in the Paragraph group. To change the font, the size or the color of the text, use the options from the Font group. The text on the footer is still editable.Once you choose the desired option, your footer text will appear on your presentation.Apply to All: If you click this button, the changes will be applied to all the slides.Apply: If you click this button, the changes will be applied to the selected slide.When you’re done, there are two ways to apply the changes:.There’s a text field below where you can enter the text for the footer. On the Slide tab, check the “Footer” box. Go to the Insert tab and, in the Text group, click Header & Footer.Select the slide where you want to add a footer.