To do Alt + M U F on Mac in Excel, download and install Accelerator Keys, then press Option, followed by M, U, F.
Command: More Functions
This is how to do Alt + M U F 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 U F opens the Insert Function dialog from the AutoSum menu. This gives you access to Excel’s complete function library, allowing you to search for and insert any of Excel’s hundreds of built-in functions with detailed help and argument guidance.