Convert PDF to XLS or XLSX using GroupDocs.Conversion for .NET API

ConvertPDFtoXLSX.cs

// PDF Load Options
GroupDocs.Conversion.Contracts.Func<LoadOptions> getLoadOptions = () => new PdfLoadOptions
{
    FlattenAllFields = true,    // all fields in the source document will be flatten during conversion
    Password = "123"            // provide password if document is password protected
};

// Excel Convert Options
SpreadsheetConvertOptions options = new SpreadsheetConvertOptions
{
    PageNumber = 1,                     // Starting page number
    PagesCount = 1,                     // Total pages to convert
    Format = SpreadsheetFileType.Xlsx,  // Conversion format
    Password = "password",              // Set password for converted file
    Zoom = 110                          // Zoom level
};

// Convert PDF to XLSX
Converter converter = new Converter("C:\\Files\\sample.pdf", getLoadOptions);
converter.Convert("C:\\Files\\converted.xlsx", options);