Sub MesMois()
Dim Fichiers As Variant, i As Integer, T As Variant, Wb As Workbook
Fichiers = Application.GetOpenFilename("Fichiers Excel (*.xlsx), *.xlsx", , , , True)
If IsArray(Fichiers) Then
ReDim T(1 To UBound(Fichiers))
For i = 1 To UBound(Fichiers)
Set Wb = Workbooks.Open(Fichiers(i))
T(i) = Wb.Sheets(1).UsedRange.Value
Debug.Print Wb.FullName, Wb.Sheets(1).UsedRange.Address
Wb.Close
Set Wb = Nothing
Next
End If
End Sub