To do Alt + N P on Mac in Excel, download and install Accelerator Keys, then press Option, followed by N, P.
Command: Picture
This is how to do Alt + N P on Mac in Excel with Accelerator Keys, the native ribbon and alt key shortcut solution for Mac users who get more done with Excel.
Alt + N P picture opens options to insert an image into your worksheet. You can add pictures from your computer, stock images, or online sources.