Convert Large Excel File to CSV/TSV Installation python3 -m pip install -U large_excel_convert Usage Use in CMD large_excel_convert -h large_excel_convert -i input.xlsx large_excel_convert -i input.xlsx -o output.csv large_excel_convert -i input.xlsx -o output.csv -enc gb18030 large_excel_convert -i input.xlsx -o output.tsv -f tsv large_excel_convert -i input.xlsx -o sheet2.csv -s 2 Use in Python from large_excel_convert.core import ExcelParser # excel = ExcelParser('input.xlsx', sheet=1, tag='row') excel = ExcelParser('input.xlsx') rows = excel.rows() for row in rows: print(row) # ...