// For complete examples and data files, please go to https://github.com/groupdocs-conversion/GroupDocs.Conversion-for-Java
// Instantiating the conversion handler
ConversionHandler conversionHandler = new ConversionHandler(Utilities.getConfiguration());
CellsSaveOptions saveOption = new CellsSaveOptions();
saveOption.setOutputType(OutputType.String);
String convertedDocumentPath = conversionHandler.<String> convert(fileName, saveOption);