Sub test()
Dim AncienNom As String, NouveauNom As String, MonChemin As String, MonChemin2 As String
MonChemin = "C:\Documents and Settings\nomutilisateur\Mes documents\Excel\xld\"
MonChemin2 = "C:\Documents and Settings\nomutilisateur\Mes documents\Excel\"
AncienNom = MonChemin & "test.txt"
NouveauNom = MonChemin2 & "test.csv"
Name AncienNom As NouveauNom
End Sub