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Google Said to Be Building 'Collections' to Group Notebooks in NotebookLM

June 27, 2026 at 08:48 EDT

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Google is reportedly developing a new "Collections" feature for its AI research tool NotebookLM that would let users group multiple notebooks into one, according to information surfaced on June 27, 2026. The feature would bundle several notebooks and show them as a separate tab in the main menu. There is no official announcement from Google, and the information is based on an unconfirmed leak.

June 2026 · NotebookLM · Leak / Unconfirmed

"Collections" May Let You Group Multiple NotebookLM Notebooks Into One

Google is reportedly building a feature to bundle related notebooks together and surface them as a dedicated tab in NotebookLM's main menu — first surfacing via leaked screenshots, with no official Google announcement so far.

2023

NotebookLM launched by Google Labs as a source-grounded AI research tool

1 tab

A new dedicated menu tab said to gather grouped notebooks

Official confirmations — leak-based and unreleased

Source limits per notebook

Paid plans hold roughly 6× the sources of the free plan.

~50

Free

~300

Paid (Plus / Enterprise)

Current vs. Collections (leak)

CURRENT

Each notebook is independent — no crossover
No cross-notebook search or reference
Notebooks listed individually

COLLECTIONS (LEAK)

Group multiple related notebooks into one
Surfaced as a dedicated tab in the main menu
Paid-only lock seen as unlikely · timing unannounced

Why it matters

Notebooks increasingly act as "projects" in Gemini — Collections would let users organize work at the project level as that integration deepens.

Welcomed

Notebooks could behave like folders, easing management of research collections.

Criticized

Some argue organizing subtopics within a single notebook should come first. Nesting is unconfirmed.

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