OpenAI built hidden task system for ChatGPT inside Excel and PowerPoint
RuntimeWire reverse-engineered OpenAI's Windows desktop client (OpenAI.Codex_26.825.4187.0) to uncover an unreleased 'Artifact comments' feature. It lets users attach native Office comments or private ChatGPT assignments to Excel ranges and PowerPoint elements, batch them, and receive threaded replies after the agent edits the file.
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