You can change the background of your PowerPoint slides using the "Format Background" feature located in the "Design" tab.

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.

You can save a PowerPoint presentation as a PDF to lock its content and formatting in place, so that other people can view ...

Using pictures to help middle school students visualize science terms could be the key to boosting vocabulary for all ...