Sub Trier()
With Sheets("Données")
Range("A1:I" & [A65536].End(3).Row).Sort Key1:=Range("A2"), Order1:=xlAscending, _
Key2:=Range("B2"), Order2:=xlAscending, Key3:=Range("C2"), Order3:=xlAscending, _
Header:=xlGuess, OrderCustom:=1, MatchCase:=False, Orientation:=xlTopToBottom, _
DataOption1:=xlSortNormal, DataOption2:=xlSortNormal, DataOption3:=xlSortNormal
End With
End Sub