To add notes to your PowerPoint, you'll need to have your presentation set to "Normal" view before accessing the "Notes" button for individual slides.
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.
It's easy to convert a Powerpoint presentation to Google Slides when you need to collaborate on a project. Here's how to do ...