Googlefeature
April 24, 2026·Source

NotebookLM Auto-Labeled Source Categories

NotebookLM now automatically labels and categorizes sources once a notebook has 5 or more.

  • Auto-labeling kicks in once a notebook has 5 or more sources
  • Categories can be renamed, reorganized, and personalized with emojis

Best for

notebooks with many uploaded sources where finding the right one becomes painful

When to use it

you have at least 5 sources and want grouped categories instead of a flat list

Who benefits

NotebookLM users running larger research projects with mixed source types

Join the newsletter to get ahead with AI.

I share strategies, new modules, free guides, and tools to get you better at using AI in your work.

Leading a team? See team programs →