'tentative 2
m = Cells(26, 9).End(xlDown).Row 'analysera des valeurs en colonne I
For Each Cellule In Range(Cells(26, 11), Cells(x, 11))
With Cellule
.Formula = "=IF(J" & x ="""";"""";SUMPRODUCT(($H$26:$H" & m= J" & x)*$I$26:$I" & m))"
.Value = .Value
End With
Next Cellule
'---