To do Alt + W Q on Mac in Excel, download and install Accelerator Keys, then press Option, followed by W, Q.
Command: Zoom
This is how to do Alt + W Q 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 Q zoom opens the zoom dialog to set a specific magnification level. You can choose preset percentages or enter a custom zoom level.