Codecs: How to convert XLS to XLSX?

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SDK can convert XLS document to an XLSX document.

Here is C#/VB.NET code that shows how to convert XLS document to an XLSX document:

/// <summary>
/// Converts XLS file to a XLSX file.
/// </summary>
public static void ConvertXlsToXlsx(string xlsFilePath, string xlsxFilePath)
{
    Vintasoft.Imaging.Office.OpenXml.OpenXmlDocumentConverter.ConvertXlsToXlsx(xlsFilePath, xlsxFilePath);
}

VB.NET

''' <summary>
''' Converts XLS file to a XLSX file.
''' </summary>
Public Shared Sub ConvertXlsToXlsx(xlsFilePath As String, xlsxFilePath As String)
    Vintasoft.Imaging.Office.OpenXml.OpenXmlDocumentConverter.ConvertXlsToXlsx(xlsFilePath, xlsxFilePath)
End Sub

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