To do Alt + H + A + X on Mac in PowerPoint, download and install Accelerator Keys, then press Option, followed by H, A, then X.
Command: Text Direction Menu
This is how to do Alt + H + A + X on Mac in PowerPoint with Accelerator Keys, the native ribbon and alt key shortcut solution for Mac users who get more done with PowerPoint.
Alt + H + A + X opens the Text Direction menu, allowing you to rotate text horizontally, vertically (90° or 270°), or stack characters vertically. Useful for creative text layouts and vertical labels.