To do Alt + H + K on Mac in PowerPoint, download and install Accelerator Keys, then press Option, followed by H, then K.
Command: Line Spacing Menu
This is how to do Alt + H + K 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 + K opens the Line Spacing menu, providing quick access to common line spacing options like 1.0, 1.5, 2.0, and more. You can also access Line Spacing Options for custom values.