Developer Simon Willison discovered a folder containing approximately 1.7GB of data while investigating the cache folder of the ChatGPT desktop app. In addition to Python, Node.js, the PDF processing tool Poppler, and the version control system git, the folder included LibreOffice, which takes up about 430MB.
LibreOffice Found Bundled Within ChatGPT Desktop App
This article is a translation. Read the Japanese original
LibreOffice is an open-source office suite developed by The Document Foundation and is capable of reading Microsoft Office file formats. Willison reported that "Skill" files, which allow AI agents to locate and utilize these tools, were also present within the same directory.
Experts point out that pre-installing tools that can manipulate documents directly without incurring license fees or relying on external APIs is an effective solution for AI agents. OpenAI has not made an official announcement or provided a specific explanation regarding the integration of LibreOffice.
Sources
- ChatGPTのデスクトップアプリにはLibreOfficeの完全版が同梱されている （GIGAZINE, 2026-09-09）
- Simon Willison's blog