how to add a picture to all slides in powerpoint
Use a picture as a slide background. Click the slide that you want to add a background picture to. Tip To select multiple slides, click a slide, and then press and hold CTRL while you click the other slides.On the Design tab, in the Background group, click Background Styles, and then click Format Background.Click Fill, and then click Picture or texture fill.ip To select multiple slides, click a slide, and then press and hold CTRL while you click the other slides. On the Design tab, in the Background group, click Background Styles, and then click Format Background. Click Fill, and then click Picture or texture fill.