In the evolving world of AI-powered productivity tools, Google is making its notebook assistant smarter.
The latest update to NotebookLM aims to solve a common user challenge: managing and organizing multiple research sources efficiently.
NotebookLM has become a useful tool for integrating AI into daily workflows, especially for research-heavy tasks. However, managing a growing number of sources has remained a challenge.
Users often struggle to manually categorize or label sources, particularly in notebooks containing more than 10 entries.
How new feature works
Google is now introducing auto-labeling and source categorization to reduce manual effort.
The feature activates when a notebook contains more than five sources, automatically assigning labels based on content.
Mo sources mo problems? Not anymore:
— NotebookLM (@NotebookLM) April 24, 2026
Rolling out now, NotebookLM can auto-label & categorize sources (when you have 5+), so you can spend less time scrolling and more time thinking/learning/philosophizing, etc.
Rename, reorganize, & personalize (emojis!) to your ❤️'s content. pic.twitter.com/WiY58zkQJU
If a source covers multiple topics, NotebookLM can assign multiple labels. This allows for more flexible and accurate organization of information.
Customization still in users’ hands
Despite automation, users retain control over their workspace.
They can rename labels, reorganize them, and even add emojis for better clarity and personalization.
Users also have the option to assign different labels to sources if they prefer their own categorization over the system’s suggestions.
Future improvements in pipeline
The NotebookLM team is considering expanding label and categorization features to improve how outputs are organized.
However, this enhancement is still under consideration and may take time before it becomes available.
Alongside source management improvements, Google is also enhancing notebook sharing.
Users can now paste an entire list of email addresses instead of entering them individually. NotebookLM will automatically parse and identify recipients.
This update is particularly useful for teams and large groups, reducing the time spent on manual sharing tasks.
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