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

You can crop a PDF on your Windows computer for free using the cropping tool, without having to purchase Adobe Acrobat.

Microsoft adds built-in picture cropping to OneNote for Windows, letting users trim images without leaving the app.

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.