Option Compare Text
Sub Suivre_Lien()
Dim Ligne As Range, Lr As Range
Set Lr = Cells(Rows.Count, "E").End(xlUp)
For Each Ligne In Range("D5", Lr).Rows
Select Case True
Case Ligne.Cells(1) <> "Oui": 'rien
Case Ligne.Hyperlinks.Count = 0: ' rien
Case Else: Ligne.Hyperlinks(1).Follow
End Select
Next
End Sub