openpyxl

Install

openpyxl on PyPI

pip install openpyxl

uv add openpyxl

poetry add openpyxl

Package facts

Evidence: openpyxl-3.1.5-py2.py3-none-any.whl

About openpyxl

from the package's own PyPI description — quoted content, verbatim

from openpyxl import Workbook
wb = Workbook()

# grab the active worksheet
ws = wb.active

# Data can be assigned 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'] = datetime.datetime.now()

# Save the file
wb.save("sample.xlsx")

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AI interpretation — verify before relying

AI-generated interpretation of the package facts above; every digit, version, license, or vulnerability id it cites is grounded in the facts already shown on this page

openpyxl reads and writes Excel 2010 xlsx/xlsm/xltx/xltm files natively from Python, allowing you to create, modify, and save spreadsheets programmatically.

Low install friction with a single runtime dependency (et-xmlfile). Dormant maintenance status (776 days since last release) may warrant monitoring for critical updates, though the package is marked Production/Stable.

MIT license permits commercial and private use with minimal restrictions; you must include a copy of the license and may modify the code freely.

pip install openpyxl
from openpyxl import Workbook
wb = Workbook()
ws = wb.active
ws['A1'] = 42
wb.save('sample.xlsx')

Verdict: openpyxl is a stable, widely-used library for Excel file handling with permissive licensing and low install friction. Dormant maintenance (no release in 776 days) is a consideration for long-term projects, but no known vulnerabilities are recorded and it supports current Python versions through 3.11.

Needs verification

• Whether the 776-day gap reflects genuine inactivity or a stable, maintenance-minimal codebase
• Whether defusedxml integration is automatic or requires explicit user configuration

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