Open a PowerPoint add-in
When you load an add-in, you start the add-in that you added to PowerPoint.
Click File > Get Add-ins.
Alternatively, you can click Home > Add-ins.
or Insert > Get Add-ins.
In the Office Add-ins dialog. click MY ADD-INS tab to view existing add-ins.
Select the "ChatGPT for PowerPoint" add-in from the list and click "ADD" button to load.
If you are unable to view your add-in, select Refresh. If you are still unable to view, then you may have to install that add-in again.