A family of Microsoft presentation graphics products that offer tools for creating presentations and adding graphic effects like multimedia objects and special effects with text.
I'm afraid that is not possible on a Mac machine, it is possible on a Windows machine.
On a Windows machine, you have to activate the Developer tab, then add an ActiveX TextBox on each of the first four slides, use a simple code like this (on Slide2):
Private Sub TextBox1_Change()
Slide5.TextBox2 = Me.TextBox1
End Sub
And add 4 Textboxes on Slide5, that's it. But unfortunately:
https://support.office.com/en-us/article/where-...
Andreas.