Sub SautPageGroupe()
ActiveSheet.PageSetup.PrintTitleRows = "$1:$1"
ActiveSheet.ResetAllPageBreaks ' raz
For i = 2 To [A65000].End(xlUp).Row
If Cells(i + 1, 1) <> Cells(i, 1) Then
ActiveWindow.SelectedSheets.HPageBreaks.Add Before:=Cells(i + 1, 1)
End If
Next
ActiveSheet.PrintPreview
'ActiveSheet.ResetAllPageBreaks ' raz
End Sub