To do Alt + H + C on Mac in PowerPoint, download and install Accelerator Keys, then press Option, followed by H, then C.
Command: Copy Menu
This is how to do Alt + H + C 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 + C opens the Copy menu in PowerPoint, giving you access to copy options including Copy and Duplicate. This menu allows you to choose how you want to copy the selected content.