Private Sub Workbook_SheetChange(ByVal Sh As Object, ByVal Target As Range)
If Not Application.Intersect(Target, Range("C1:L50")) Is Nothing Then 'plage à definir
If Sh.Name <> "Accueil" And Sh.Name <> "Archives" Then
If Target.Row > 1 Then Cells(Target.Row, "B") = Now()
End If
End If
End Sub