To do Alt + H + 7 + T on Mac in PowerPoint, download and install Accelerator Keys, then press Option, followed by H, 7, then T.
Command: Very Tight
This is how to do Alt + H + 7 + T 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 + 7 + T applies Very Tight character spacing to the selected text, condensing the space between characters to the minimum. This is useful for fitting more text in a limited space.