NotebookLM Launches Deep Research Feature That Automatically Browses Hundreds of Websites to Generate Source-Grounded Reports

Nov 14, 2025
Google
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Summary

NotebookLM unveils Deep Research feature that automatically scours hundreds of websites to create comprehensive, source-backed reports on any topic while expanding file support to include Google Sheets, Word documents, images, and PDFs.

Key Points

  • NotebookLM launches Deep Research feature that acts as a dedicated researcher, automatically browsing hundreds of websites to generate organized, source-grounded reports on any topic
  • The platform now supports additional file types including Google Sheets, Microsoft Word documents, images, PDFs from Google Drive, and Drive files via URL copy-paste
  • Deep Research allows users to add generated reports and sources directly into their notebooks while continuing to use NotebookLM's existing capabilities like Audio and Video overviews

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