Imports Bytescout.Spreadsheet
Imports System.IO

Module Module1

    Sub Main()
        Dim document As New Spreadsheet()

        ' load csv file
        document.LoadFromFile("input.csv")

        ' Save document
        document.SaveAs("Output.xls")

        ' Close Spreadsheet
        document.Close()

        ' open in default spreadsheets viewer/editor
        Process.Start("Output.xls")

    End Sub

End Module