To do Alt + H + T + 1 + R on Mac in PowerPoint, download and install Accelerator Keys, then press Option, followed by H, T, 1, then R.
Command: Rename Section
This is how to do Alt + H + T + 1 + 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 + T + 1 + R opens a dialog to rename the current section. Select a slide within the section you want to rename before using this shortcut. Clear section names help you and collaborators navigate large presentations more efficiently.