Remove all notes from Microsoft PowerPoint presentation on MacOS

1. Make backup copy of presentation
2. Open the presentation
3. In the top toolbar, click View
4. In the tool ribbon, click the Macros button
5. Select the presentation name
6. Name the macro, e.g. "Notes_remove"
7. Click the + button
8. Between the Sub Notes_remove() and End Sub lines, enter these lines:
   Dim osld As Slide
   For Each osld In ActivePresentation.Slides
   With osld.NotesPage.Shapes(2)
   If .HasTextFrame Then
   .TextFrame.DeleteText
   End If
   End With
   Next osld
9. Click the Play button.