Just to clean it up a little now you've solved it
Code:
Sub Toggle_View_Zoom()
With ActiveWindow.ActivePane.View.Zoom
If .PageFit = wdPageFitBestFit Then
.PageColumns = 5
.PageRows = 2
Else
.PageColumns = 1
.PageRows = 1
.PageFit = wdPageFitBestFit
End If
End With
End Sub