Xlsm Python Packages

pyexcel

Single API for reading, manipulating and writing data in csv, ods, xls, xlsx and xlsm files

wolfxl

Edit Excel files from Python without losing formatting. Openpyxl-compatible API, Rust backend, 3.0-17.3x faster than openpyxl on the committed read/write benchmark. MIT.

pyopenvba

Pure-Python reader/writer for VBA macros embedded in Excel / PowerPoint / Word / Access files. Zero dependencies, deterministic round-trip, safe on protected and signed projects.

excelize

Excelize is a Python port of Go Excelize library that allow you to write to and read from XLAM / XLSM / XLSX / XLTM / XLTX files.

xlide-mcp

Read, write, analyze and test the VBA inside Excel, Word, PowerPoint and Access files, and edit the document around it. No Office installation needed.

spreadsheet-auditor

Claude and Codex Agent Skill (plus standalone CLI) that audits existing Excel spreadsheets and financial models for correctness defects: formula errors, broken references, off-by-one ranges, totals that don't reconcile or cross-foot, circular references, and data-quality risks. Audit-only; never rewrites your workbook.

gridgulp

Automatically detect and extract tables from Excel, CSV, and text files.

spreadsheet-to-cpplib

Convert spreadsheets (XLSM, CSV) into CMake-ready C++ library projects with mathematical expression support. Published on PyPI.