According to NotebookLM (@NotebookLM), the platform now supports DocX files as sources, enabling users to leverage advanced AI-powered document analysis and summarization for a broader range of business and research documents (source: https://twitter.com/NotebookLM/status/1998140984006443186). The team also announced ongoing development to add additional source formats, with CSV support prioritized next. This expansion will significantly increase AI adoption in sectors reliant on structured and unstructured document formats, unlocking new productivity and data extraction opportunities for enterprises and researchers.