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Dim carpetaCreado As String = "Excel creado importado"
        Dim CarpetaOdin As String = "Excel exportado desde odin"
        Dim carpetaExcel As String = ConfigurationManager.AppSettings("carpetaExcel").ToString()
        Dim diCreado As New DirectoryInfo(carpetaExcel + "\" + carpetaCreado + "\")
        Dim diOdin As New DirectoryInfo(carpetaExcel + "\" + CarpetaOdin + "\")

        Dim fiArr As FileInfo() = diCreado.GetFiles()
        Dim fiArrOdin As FileInfo() = diOdin.GetFiles()
        Dim friCreado As FileInfo
        Dim friOdin As FileInfo

        If fiArr.Length > 1 Then
            MsgBox("Hay más de un fichero en la carpeta '" + carpetaCreado + "'.")
            Exit Sub
        ElseIf fiArr.Length = 0 Then
            MsgBox("La carpeta '" + carpetaCreado + "' esta vacía.")
            Exit Sub
        ElseIf fiArr.Length = 1 Then

            If fiArrOdin.Length > 1 Then
                MsgBox("Hay más de un fichero en la carpeta '" + CarpetaOdin + "'.")
                Exit Sub
            ElseIf fiArrOdin.Length = 0 Then
                MsgBox("La carpeta '" + CarpetaOdin + "' esta vacía.")
                Exit Sub
            ElseIf fiArrOdin.Length = 1 Then

                friCreado = fiArr(0)
                friOdin = fiArrOdin(0)
                If friCreado.Extension <> ".xlsx" AndAlso friCreado.Extension <> ".xls" Then
                    MsgBox("El fichero" + friCreado.Name.ToString() + "no es un Excel.")
                    Exit Sub
                Else
                    If friOdin.Extension <> ".xlsx" AndAlso friOdin.Extension <> ".xls" Then
                        MsgBox("El fichero" + friOdin.Name.ToString() + "no es un Excel.")
                        Exit Sub
                    End If
                End If
            End If
        End If