# Excel file sizes

**URL:** <https://forum.inductiveautomation.com/t/excel-file-sizes/16194>\
**Category:** Ignition\
**Tags:** ignition79\
**Created:** [December 1, 2017, 9:48pm UTC](https://forum.inductiveautomation.com/t/excel-file-sizes/16194 "2017-12-01T21:48:13Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![ray.crowder](https://avatars.discourse-cdn.com/v4/letter/r/e480ec/32.png) [@ray.crowder](https://forum.inductiveautomation.com/u/ray.crowder)\
**Post date:** [December 1, 2017, 9:48pm UTC](https://forum.inductiveautomation.com/t/excel-file-sizes/16194/1 "2017-12-01T21:48:13Z")

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Is there a way to specify filepath.xlsb using system.dataset.exportExcel?

If not, then does anyone have techniques to minimize export file size?  
I’ve tried system.dataset.exportCSV. The file size was still too big. I need to squeeze about 100,000 rows of data down to less than 5Mb.