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PyPI · #1057 most downloaded on PyPI
Python tool and library for decrypting and encrypting MS Office files using a password or other keys
Last release 8 months ago
12 Jan 2026
Release timing varies
gaps range from 2 weeks to 1.4 years
Some releases are documented
notes for 14 of 34 stable releases
Nothing withdrawn
no release was ever pulled
8 years old
35 releases · first in 2018
(BREAKING) Drop support for Python 3.8 and 3.9, add Python 3.14 to CI
Fix DeprecationWarning from cryptography library (reported by @dennn11, #92)
One column per quarter.
Fix for incorrect key size with 0 length keySize var (@UserJHansen, #89)
Never return None in ooxml's \_parseinfo (@gdesmar, #88)
* Bug fixes
Add support for OOXML encryption, a port from the C++ library https://github.com/herumi/msoffice (@stephane-rouleau, #86)
Support XOR Obfuscation decryption for .xls documents (@DissectMalware, #80)
Drop Python 3.7 support as it reaches EOL, Add Python 3.11 to CI environments
__main__.py instead of __init__.py to avoid a relevant error in PyInstaller/cx_Freeze in which pkg_resources does not work by defaultLoad plain OOXML as OfficeFile with type == plain. Fixes #74
(dev) Switch to GitHub Actions from Travis CI
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(dev) Add tests on Python 3.7 to 3.9
* Use custom exceptions (#59) * (dev) Remove nose (thank you) (#57) * (dev) Use poetry
Improve hash calculation (suggested by @StanislavNikolov)
Update \_makekey in rc4\_cryptoapi (@doracpphp)
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