To do Alt + M I on Mac in Excel, download and install Accelerator Keys, then press Option, followed by M, I.
Command: Financial Functions Menu
This is how to do Alt + M I 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 I opens the Financial functions dropdown menu in Excel’s Formulas tab. This menu contains functions for financial calculations including PMT, FV, PV, NPV, IRR, and many others used for loan calculations, investment analysis, and financial modeling.