With Sheets("Données")
a = Application.WorksheetFunction.CountA(Workbooks("Classeur1.xlsx").Sheets("Test").Range("H:H")) + 2
.Range(Cells(2, 1), Cells(a - 2, 11)).Value = Workbooks("Classeur1.xlsx").Sheets("Test").Range(Cells(4, 1), Cells(a, 11)).Value
End With