Copy your source Excel file in the 'target' folder where ConvertExcelToCsv.jar is residing. Run below command, to convert all Tabs of 'sample-xlsx-file.xlsx' spreadsheet to separate csv files.

About Command line tool to convert Excel (XLS or XLSX) file to CSV file.

How to Convert All Excel Sheets to CSV With Macros. Excel's Save As command lets you save a single worksheet in the CSV (comma seperated value) format, but not an entire workbook.

How to convert an XLS file to CSV Let’s say you have the file clients.xlsx and you need it converted to clients.csv to be then uploaded as a client list in your new CRM tool.