PROBLEM
The add-in tab does not appear in the PowerPoint ribbon after the add-in has been installed
Maurizio La Cava Answered question March 19, 2023
SOLUTION
1. in your PowerPoint go to the File → Options → Add-ins
2. click the Go button > COM Add-ins
3. In the dialog window make sure the MLC PowerPoint Addin is checked, if not just check it!
4. Click OK, restart PowerPoint
Maurizio La Cava Answered question March 19, 2023
