Sub For_X_to_Next_Ligne()
Dim FL1 As Worksheet, NoCol As Integer
Dim NoLig As Long, Var, Var2 As Variant
Dim chemin As String 'chemin du dossier des fichiers a renommer
chemin = "C:\Users\BASTIEN\Desktop\Données\" 'a adapter toujours finir par \
Set FL1 = Worksheets("FEUILLE_1") 'a adapter
NoCol = 1 'lecture de la colonne 1
For NoLig = 1 To Split(FL1.UsedRange.Address, "$")(4)
Var = FL1.Cells(NoLig, NoCol) 'colonne A
Var2 = FL1.Cells(NoLig, NoCol + 1) 'colonne B
Name chemin & Var & ".xlsx" As chemin & Var2 & ".xlsx" 'renommer
Next
Set FL1 = Nothing
End Sub