To do Alt + M R on Mac in Excel, download and install Accelerator Keys, then press Option, followed by M, R.
Command: Recently Used Functions Menu
This is how to do Alt + M R 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 R opens the Recently Used functions dropdown menu in Excel’s Formulas tab. This menu displays functions you’ve used recently, making it quick and easy to reuse common formulas without searching through categories.