To do Alt + H + A + X + R on Mac in PowerPoint, download and install Accelerator Keys, then press Option, followed by H, A, X, then R.
Command: Rotate all text 90°
This is how to do Alt + H + A + X + R 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 + R rotates all text in the selected text box by 90 degrees clockwise. The text reads from top to bottom, useful for vertical labels or creative slide layouts.