You can customize the printed handouts for your presentation by adding header or footer text or graphics. Headers and footers might include the slide number, a text footer, the date, or a company name or logo.
Note: If you want to add footers to your presentation, rather than to printed handouts, see Add page numbers, the date and time, or footer text to all slides in PowerPoint 2016 for Mac
To get started, click View > Handout Master.
The changes you make in Handout Master view appear on all your handout pages.
To add header or footer text:
On the Handout Master tab, click the header or footer box you want to edit and enter your text.
To add an image:
Open the Handout Master tab, click the Insert menu, and then click Picture > Picture from File.
Browse to the image you want and click Insert.
Drag the image to the location you want and resize it if necessary. For additional formatting options, click the Picture Format tab.
To preview your handouts:
Click File > Print.
In the Layout pop-up menu, click the layout type.
Page through the print dialog thumbnails, and click Cancel when you're done.