apache poi - Missing Content in .xlsx files -


so have standard .xlsx templates when merged through conga composer, gives out output .xlsx file. problem output file missing content original template file. problem observed when create xssfworkbook. when save input template .xls file output same input without missing content.

    opcpackage pkg = opcpackage.open(new file("workbook1.xlsx"));     xssfworkbook workbook = new xssfworkbook(pkg);     ....     workbook.write(fileoutputstream);

i know why behavior observed in case of .xlsx templates.

i glad give further details other code snippets help.

thanks in advance.


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