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xlwings Lite
Documentation for xlwings Lite, an Excel add-in for running Python, building custom functions, and automating workbooks.
- Authority
- 52 reach 7 · trust 10 · quality 20 · freshness 15
- Tier
- listed
- llms.txt
- https://lite.xlwings.org/llms.txt
- llms-full.txt
- https://lite.xlwings.org/llms-full.txt
- Sections
- 1
- Links
- 36
- Size
- 4461 bytes
- Popularity rank
- #362537
- Registered
- 2013-12-20
- Country
- Switzerland Site-published contact address
- Publisher address country
- Switzerland Site-published contact address; location is not independently verified
- Country evidence
- CH · Site-published contact address 2026-10-26
- For agents
- Documentation: developer or product docs worth reading, nothing to call
- First seen
- 2026-10-19T10:43:15.038Z
- Last checked
- 2026-10-25T19:31:16.460Z
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Their llms.txt
The beginning of the file, from our validated copy saved 2026-10-25T19:31:13.219Z. Cached copy · Source on xlwings.org
# xlwings Lite
> Documentation for xlwings Lite, an Excel add-in for running Python, building custom functions, and automating workbooks.
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## Pages
- [xlwings Lite](index.md): **xlwings Lite lets you automate Excel and build native custom functions in Python.<br>
- [Quick Start](quickstart.md): xlwings Lite is an Excel add-in that you install from the Office add-in store. It’s free for persona...
- [Custom Functions](custom-functions.md): This tutorial teaches you everything about custom functions. Some highlights:
- [Scripts](custom-scripts.md): Scripts are the equivalent to a `Sub` in VBA or an Office Script. They run at the click of a button ...
- [Notebooks](notebooks.md): xlwings notebooks work similar to a Jupyter notebook: you split your code into cells and run them in...
- [App Mode](app-mode.md): App Mode turns the xlwings Lite task pane into an app for end-users by hiding the code editor and sh...
- [Async API](async-api.md): To interact with the Excel object model, scripts and notebooks let you use the same syntax as the cl...
- [Plotting](plotting.md): xlwings Lite lets you create plots with the usual Python plotting libraries and bring them into Exce...
- [Editor](editor.md): xlwings Lite uses the same editor as VS Code. This means that many of its familiar features are avai...
- [Files](files.md): xlwings Lite allows you to work with local files in two ways:
- [Dependencies](dependencies.md): This document describes how to install, uninstall, and update Python packages. Since xlwings Lite ru...
- [Personal Modules](personal-modules.md): Personal modules are Python files and packages shared across all your workbooks, similar to VBA’s `P...
- [Environment Variables](environment-variables.md): xlwings Lite runs in the secure sandbox of a browser and therefore can’t access anything on your loc...
- [Testing with Pytest](tests.md): xlwings Lite has a built-in [pytest](https://docs.pytest.org) runner, allowing you to write automate...
- [Web API Requests](web-requests.md): xlwings Lite runs Python in the browser, which means that any API requests you make are subject to t...
- [Databases](databases.md): Direct connections with traditional SQL databases aren’t supported. Here’s what you can do about it:
- [FAQ](faq.md): The easiest solution is to ask your Office admin to install xlwings Lite via Office 365 Admin Center...
- [Troubleshooting](troubleshooting.md): Most likely, you’re running into a CORS issue, see [Web API Requests](web-requests.md)
- [Limitations](limitations.md): xlwings Lite is based on [Pyodide](https://pyodide.org), and comes with the following limitations:
- [Security](security.md): xlwings Lite runs Python code inside the browser’s sandbox, so unlike VBA macros, it has no direct a...
- [About](about.md): xlwings Lite is built on the strong foundation of xlwings, the open-source Python package. Establish...
- [Changelog](changelog.md): - Custom functions can now access the calling cell by addi
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