This article only applies to the Windows OS. These instructions will not work with macOS.

If you need to determine which version of the Conferences i/o Windows PowerPoint Add-In is installed on your Windows PC, follow these steps after opening any PowerPoint presentation file.

1. Click the Conferences i/o ribbon
   
   

   Note: If you don't see the Conferences i/o ribbon, that the Conferences i/o Windows PowerPoint Add-In is either not installed on your computer, or the installation was damaged.

   
   
2. Click Help in the Conferences i/o ribbon
   
   
3. A dialog box will pop up with the currently installed version
   
   
4. Click OK to dismiss the dialog