openpyxl is a Python library to read/write Excel 2010 xlsx/xlsm/xltx/xltm files.

It was born from lack of existing library to read/write natively from Python the Office Open XML format.

All kudos to the PHPExcel team as openpyxl is based on PHPExcel

Mailing List

Official user list can be found on

Sample code:

from openpyxl import Workbook
wb = Workbook()

# grab the active worksheet
ws =

# Data can be directly to cells
ws['A1'] = 42

# Rows can also be appended
ws.append([1, 2, 3])

# Python types will automatically be converted
import datetime
ws['A2'] =

# Save the file"sample.xlsx")

Official documentation

The documentation is at:

  • installation methods
  • code examples
  • instructions for contributing

Release notes: