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.