To do Alt + h f q u on Mac in Excel, download and install Accelerator Keys, then press Option, followed by h, f, q, u.
Command: Rotate Text Up
This is how to do Alt + h f q u 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 + h f q u rotates your text 90 degrees counterclockwise so it reads from bottom to top. This is useful for vertical headers in narrow columns.