Use Widescreen (16:9) or Standard (4:3) or choose a custom size for your slides.

Change the size, shape, or orientation of your slides for presentation or to simplify printing.

Use Widescreen (16:9) or Standard (4:3) or choose a custom size for your slides.

You can change the slide size and orientation, set the paper size for printed slides, and edit headers and footers from Page Setup in PowerPoint 2016 for Mac.

If the file size of your presentation is too large, try the following tips to make it more manageable.

To set the page orientation for all of the slides in your presentation, on the Slide Master tab, select Slide Size > Custom Slide Size. Under Orientation, select the orientation you want.

To adjust the font size, select the current font size, and then select the new font size. Use the predesigned Themes to make sure that your slide design is accessible.

The Notes pane is where you put supplemental information that doesn't appear on-slide during a presentation. You may want to make key words in the notes bold so that you can see them …

In the Slide Size dialog box, select Portrait, then select OK. In the next dialog box, you can select Maximize to take full advantage of the space available, or you can select Ensure Fit to make …

Use Widescreen (16:9) or Standard (4:3) or choose a custom size for your slides.