At the moment, ChatGPT allows users to create Excel or PowerPoint files, however the chat interface does not display these ...

OpenAI is testing ChatGPT features to create spreadsheets and presentations, posing a challenge to Microsoft Office with built-in productivity tools.

Then, restart your Jupyter Lab server, and make sure Jupytext is activated in Jupyter: .py and .md files have a Notebook icon, and you can open them as Notebooks with a right click in Jupyter Lab.