Google’s NotebookLM adds ‘Deep Research’ tool, support for more file types

5 months ago 45
The Google logo and lettering tin  beryllium  seen connected  the facade of the company's Munich headquarters.Image Credits:Matthias Balk/picture confederation / Getty Images

9:00 AM PST · November 13, 2025

Google is updating NotebookLM, its AI note-taking and probe assistant, with a caller instrumentality to assistance users simplify analyzable research, on with enactment for further record types.

The work is rolling retired “Deep Research,” a instrumentality that volition automate and simplify analyzable online research. Google says the instrumentality acts similar a dedicated researcher, arsenic it tin synthesize a elaborate study oregon urge applicable articles, papers, oregon websites.

Deep Research tin instrumentality your question, make a probe plan, and past browse websites connected your behalf. After a fewer minutes, it volition contiguous you with a source-grounded study that you tin adhd straight into your notebook. While Deep Research runs successful the background, you tin proceed to adhd different sources.

The thought down Deep Research is to assistance you make a deep, organized cognition basal connected a taxable without having to permission your workflow.

Image Credits:Google

You tin entree Deep Research by starting a hunt successful the root sheet and selecting “Web” arsenic a source. Then, you tin take your probe style. You tin prime “Deep Research” erstwhile you’re looking for a afloat briefing and in-depth analysis. Or, you tin take “Fast Research” if you privation a speedy search.

As for the further enactment for much record types, you tin present upload Google Sheets, Drive files arsenic URLs, PDFs from Google Drive, and Microsoft Word Documents. The tech elephantine says this alteration volition let users to bash things similar make summaries from spreadsheets and rapidly copy-paste aggregate Drive files arsenic URLs.

Google says these caller updates should beryllium disposable to each users wrong a week.

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Since its motorboat successful precocious 2023, Google has been gathering retired NotebookLM with further functionality. Earlier this year, Google introduced Video Overviews to NotebookLM to let users to turn dense multimedia, specified arsenic earthy notes, PDFs, and images, into digestible ocular presentations. The summation builds on the Audio Overviews feature, which generates an AI podcast based connected documents shared with NotebookLM, specified arsenic people readings oregon ineligible briefs. In May, Google released the NotebookLM apps for Android and iOS, making the work disposable beyond desktop.

Aisha is simply a user quality newsman astatine TechCrunch. Prior to joining the work successful 2021, she was a telecom newsman astatine MobileSyrup. Aisha holds an honours bachelor’s grade from University of Toronto and a master’s grade successful journalism from Western University.

You tin interaction oregon verify outreach from Aisha by emailing aisha@techcrunch.com oregon via encrypted connection astatine aisha_malik.01 connected Signal.

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