When you create slides in Microsoft PowerPoint, the program includes a Notes section to input additional information that appears on printed handouts, or you can print the slides in smaller sizes, ...
To edit a footer in your PowerPoint slides and include citations or notes, you'll need to access the Header & Footer menu ...
To manually crop a picture in Microsoft Word, Excel, or PowerPoint, select it, and in the Picture Format tab on the ribbon, click the top half of the split "Crop" button.