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Hello! I have xlsx file and I want convert it to XML SpreadSheet for open in to OpenOffice or another programm. How I make it?


Yes, sure, you may convert and XLSX file to SpreadsheetML file format, see the following sample code:

Workbook workbook = new Workbook(“e:\test\Myfile.xlsx”);
workbook.Save(“e:\test\out.xml”, SaveFormat.SpreadsheetML);

See the documents for supported file formats and conversions:

Thank you.