To do Alt + J I E E on Mac in Excel, download and install Accelerator Keys, then press Option, followed by J, I, E, E.
Command: Stroke Eraser
This is how to do Alt + J I E E 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 + J I E e selects the Stroke Eraser tool. This eraser removes entire strokes (complete lines or shapes) with a single click, rather than erasing only parts of the ink. Ideal for quickly removing complete drawn elements from your spreadsheet.