To do Alt + H + T + 1 on Mac in PowerPoint, download and install Accelerator Keys, then press Option, followed by H, T, then 1.
Command: Section Menu
This is how to do Alt + H + T + 1 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 opens the Section menu in PowerPoint. Sections help you organize slides into logical groups, making it easier to navigate and manage large presentations. From this menu you can add, rename, remove sections, or collapse/expand all sections.