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 easily draw in PowerPoint to mark and edit slideshows, or create your own designs, especially if you're using a touchscreen.
If you want to add a border or frame to an image in Microsoft PowerPoint or PowerPoint Online, you need to follow this detailed guide. Whether you want to add a black, dotted, white border, you can do ...