Sub test2()
Set Fso = CreateObject("Scripting.FileSystemObject")
Set repertoire = Fso.GetFolder("C:\Users\Utilisateur\Pictures\Test")
Set fichiers = repertoire.Files
For Each f In fichiers
f.Name = Cells(Application.WorksheetFunction.Match(f.Name, Range("a:a"), 0), 2).Value
Next
End Sub