To do Alt + M S P on Mac in Excel, download and install Accelerator Keys, then press Option, followed by M, S, P.
Command: Paste Names
This is how to do Alt + M S P 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 + M S P opens the Paste Names dialog in Excel. This dialog displays a list of all defined names in your workbook and lets you paste them into your formula or create a list of all names and their references on your worksheet for documentation purposes.