To do Alt + W V H on Mac in Excel, download and install Accelerator Keys, then press Option, followed by W, V, H.
Command: Toggle Headings
This is how to do Alt + W V H 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 + W V H toggle Headings shows or hides the row numbers and column letters. Hiding headings gives you more screen space for your data.