Slt Ben Haj,
à tester
Sub Transformer_Colonne_Ligne()
Dim x As Worksheet
Set x = ThisWorkbook.Sheets(1)
Application.ScreenUpdating = False
x.Range("F1").End(xlDown).Select
Do Until ActiveCell.Row = 1
ActiveCell.EntireRow.Insert shift:=xlDown
ActiveCell.Offset(-1, 0).Select
x.Cells(ActiveCell.Row + 1, 1).Value = "S"
x.Cells(ActiveCell.Row + 1, 2).Value = x.Cells(ActiveCell.Row, 6).Value
Loop
Application.ScreenUpdating = True
End Sub
Bonne nuit