To do Alt + A V V on Mac in Excel, download and install Accelerator Keys, then press Option, followed by A, V, V.
Command: Data Validation
This is how to do Alt + A V V 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 V V data Validation opens the dialog to set rules for what data can be entered in cells. You can restrict entries to specific types like whole numbers, dates, or items from a dropdown list.