How to Organize NotebookLM: The Complete Guide

The easiest way to organize NotebookLM is to organize your workspace at different levels:

1. Collections — group related notebooks together.
2. Tags — categorize and filter notebooks across your library.
3. Folders — organize sources inside individual notebooks.
4. Prompt Manager — save and reuse prompts for repeated tasks.

A simple structure looks like this:

Library → Collections → Notebooks → Source Folders → Sources

And alongside this structure:

Prompt Library → Reusable prompts

This layered approach works well when you have many notebooks and sources because each organization method solves a different problem. You do not need every layer on day one. Start with collections if your notebook list is getting long. Add tags when notebooks belong to more than one category. Add source folders when a single notebook becomes hard to scan. Save prompts when you notice yourself typing the same instruction again.

NotebookLM works best when your sources are relevant and easy to manage.

A notebook is built around a collection of sources for a specific project, and each notebook is independent.

That independence is useful: one notebook can stay focused on a course, a client, or a research question. It also means organization does not happen automatically as your library grows.

As you create more notebooks and add more sources, your workspace can quickly become difficult to navigate.

You may end up with:

• Dozens of notebooks
• Hundreds of research sources
• PDFs from different projects
• Web pages and YouTube videos
• Multiple versions of similar research
• Repeated prompts and instructions

Without a consistent organization system, it becomes harder to find the right notebook, source, or prompt. You spend time searching instead of reading, comparing, or writing.

A good NotebookLM organization system helps you:

• Find information faster
• Separate different projects
• Group related sources
• Reduce duplicate work
• Reuse successful prompts
• Keep large research projects manageable

The goal is not to add extra structure for its own sake. The goal is to make the next notebook, source, or prompt easy to find when you need it.

The key to a good NotebookLM workflow is understanding what you are trying to organize. Collections, tags, and folders are not the same layer — they solve different problems.

If you mix these layers, the system gets harder to maintain. A collection is too coarse for a single source. A source folder is too detailed for your entire library. Tags sit between those layers: they cut across notebooks without replacing collections or folders.

Start at the highest level: your notebooks. If you have many notebooks for different projects, group related notebooks into broader categories. Think of collections as rooms in a library, not as labels on every shelf.

For example:

Work
├── Product Research
├── Competitor Analysis
├── Marketing
└── Customer Research

Study
├── Biology
├── Computer Science
├── Mathematics
└── History

Personal
├── Travel
├── Learning
└── Personal Projects

Collections can help you group related notebooks into broader categories such as Work, Research, Study, or Personal.

The goal is not to create a collection for every small category.

Use collections for large groups of related notebooks.

Collections are useful for broad groups, but sometimes a notebook belongs to several categories.

That's where tags become useful.

For example, a notebook called:

AI Market Research

could have:

Research
AI
Business
Important

Instead of creating separate collections for every combination, you can use tags as flexible categories. Collections answer “where does this notebook live?” Tags answer “which notebooks share this property?”

Once your notebooks are organized, organize the sources inside each notebook.

A single NotebookLM project might contain:

• Research papers
• Websites
• Reports
• Videos
• Interview transcripts
• Project documents

Putting everything into one long source list can make large notebooks harder to manage. Create source folders based on how you use the materials, not based on every possible label you might need later.

For example:

Product Research
│
├── Market Research
├── Competitors
├── Customer Interviews
├── Product Documents
└── References

If you're starting a new project with many sources, you can bulk import sources into NotebookLM before organizing them.

Organization isn't only about notebooks and sources. If you repeatedly ask NotebookLM to perform the same tasks, your prompts should also have a system. A prompt library is not another way to file PDFs or notebooks. It is a place for the instructions that turn those sources into summaries, comparisons, study guides, or drafts.

For example, you might regularly use prompts for:

• Summarization
• Research analysis
• Source comparison
• Study guides
• Question generation
• Writing
• Information extraction

Instead of storing these prompts in random notes or documents, create a reusable prompt library.

Example Prompt Categories

Research
├── Summarize Research
├── Analyze Evidence
└── Compare Sources

Study
├── Create Study Guide
├── Generate Questions
└── Explain Concepts

Writing
├── Create Outline
├── Rewrite
└── Extract Key Ideas

With NotebookPlus Prompt Manager, you can save, categorize, search, favorite, and reuse your prompts. Keep this library next to your notebook system rather than mixing prompts into source folders or notebook titles.

A simple system can look like this:

YOUR NOTEBOOKLM LIBRARY
│
├── Collections
│   │
│   ├── Work
│   ├── Research
│   ├── Study
│   └── Personal
│
├── Tags
│   │
│   ├── Important
│   ├── Active
│   ├── Research
│   └── Client
│
└── Notebooks
    │
    ├── Product Research
    │   │
    │   ├── Market Research
    │   ├── Competitors
    │   ├── Interviews
    │   └── References
    │
    └── Academic Research
        │
        ├── Papers
        ├── Books
        ├── Websites
        └── Notes

PROMPT LIBRARY
│
├── Research
├── Study
├── Writing
└── Analysis

The important principle is to use each tool for a different job:

Imagine you're researching the AI industry. You might create:

A student might organize their workspace like this:

For a business workflow, you could organize NotebookLM like this:

Creating an organization system is only the first step. Use a few simple rules to keep it useful as notebooks and sources continue to arrive.

Use this checklist when cleaning up your NotebookLM workspace: