To do Alt + A W S on Mac in Excel, download and install Accelerator Keys, then press Option, followed by A, W, S.
Command: Scenario Manager
This is how to do Alt + A W S 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 + A W s opens the Scenario Manager dialog. This tool lets you create and save different sets of input values (scenarios) and quickly switch between them to compare outcomes. It’s invaluable for business planning and sensitivity analysis.