
How to use NotebookLM: step-by-step tutorial
Google’s source-grounded research notebook (now also called Gemini Notebook): limits by tier, citations, Audio Overviews, privacy and study workflows to copy.
At a glance
Is NotebookLM right for this job?
Use NotebookLM for
- Studying a course from its readings
- Fact sheets from contracts and policies
- Comparing what several reports say
- Audio Overviews for a commute
- Team notebooks shared with colleagues
Think twice for
- Questions your sources don’t cover
- Live news or prices
- Files with private data you have no right to share
- Treating audio summaries as exact quotes
Get set up: step by step
Basics
What it is
NotebookLM is Google’s research notebook: you add sources (PDFs, docs, web pages, videos) and it answers only from them, with citations back to the exact passage. It can also make Audio Overviews, a podcast-style discussion of your sources. Google’s newer help pages call the product Gemini Notebook; the notebooklm.google.com address still works for many users.
Why this step matters: Knowing what it is good and bad at stops you using it for jobs where it will fail quietly.
Setup
Step 1: Get the official app
- Start from notebooklm.google.com or Google’s official app listing.
- Sign in with your Google account. Work or school accounts may need an admin to turn it on.
- Create one notebook and add one source to see how citations look.
Why this step matters: Copycat apps and unofficial installers are common; starting from the official source protects your account and data.
Setup
Step 2: Plans, limits and costs
The Standard (free) tier allows 100 notebooks, 50 sources per notebook, 50 chats a day, 3 Audio Overviews a day and 10 Deep Research runs a month. Paid Google AI plans raise this: Plus 200 notebooks and 100 sources; Pro 500 notebooks, 300 sources, 500 chats and 20 Audio Overviews a day; Ultra up to 600 sources. Each source can be up to 500,000 words or 200 MB.
Since Sep 2, 2026, some limits are compute-based: they refresh every 5 hours with a weekly cap (Google help, answer 16213268).
Why this step matters: Paying for features you don't use is the most common waste. Knowing the limits first tells you if the free tier is enough.
Real things to do with NotebookLM

Turn readings into a study guide
Add the syllabus and readings, then ask for a guide with citations. Quiz yourself with its questions.
Using only my sources, make a study guide: 10 key terms with definitions, 5 main ideas, and 10 quiz questions with answers.
Cite every item.
Pull the facts out of a contract
Ask for dates, money and obligations, each cited. Click every citation before you rely on it.
List every date, fee, renewal term and penalty in this contract, with a citation for each.
Write "not in sources" for anything missing.
Compare reports
Put several reports in one notebook and ask for agreements and disagreements.
Table: claim, which sources agree, which disagree, citation. Then list the 3 biggest disagreements.
Listen on the go
Generate an Audio Overview of your sources. Then check one claim against the cited text.
Create an Audio Overview focused on the practical takeaways for a small-business owner.
Onboard a new teammate
A shared notebook of policies and docs answers newcomers’ questions with citations.
Using only these docs, answer: how do I request time off, who approves expenses, and where are templates? Cite each.
Prepare for a meeting
Add the agenda and background docs; ask for questions to raise.
From my sources, list 5 questions I should ask in tomorrow’s meeting, each tied to a cited passage.The 5-part prompt that works in NotebookLM
Most weak answers come from weak instructions, not a weak model. Before you send anything important to NotebookLM, check that your message has these five parts. It takes thirty seconds and saves several rounds of “that’s not what I meant.”
- Situation. Who you are and why you are asking. “I run a two-person bakery” changes every answer that follows.
- Task. One clear verb: draft, compare, summarize, fix, plan, explain. If you have three tasks, send them as three steps.
- Inputs. Paste or attach the material it should use, and say what to ignore. Name the file and the pages if it is long.
- Format. Length, structure and tone: “a table with 4 columns”, “under 150 words”, “plain English, no jargon”.
- Checks. Tell it how you will judge the answer: “give a source link for every number”, “say unknown instead of guessing”, “list your assumptions first”.
Save the version that works. In NotebookLM the natural home for reusable instructions is a notebook per project with its own sources, so you never type the same context twice.
Go further: steps continued
Use
Step 3: Your first real task
Add one real document, then ask a question you need answered from it:
Using only my sources, list every deadline and dollar amount, each with a citation. If something is not in the sources, say "not in sources".Why this step matters: A prompt with situation, task and format gets a usable answer first time, so you learn what the tool can actually do.
Setup
Step 4: Privacy
- Don't paste passwords, ID numbers, card numbers or other people's private details.
- Assume the company can read and keep your chats unless its official policy says otherwise.
- For health, money or legal decisions, confirm with a professional or an official source.
- Google says your NotebookLM data is not used to train models unless you send feedback. Don’t include private data in feedback.
- Shared notebooks show your sources to everyone you share with.
Why this step matters: Anything you paste may be stored and read. Deciding what never goes in is easier than undoing a leak.
Mistakes
Mistakes
- Adding 50 loosely related sources to one notebook, which muddies answers.
- Trusting an Audio Overview as fact without checking the cited passage.
- Uploading files with other people’s private data.
- Forgetting it only knows your sources, not the wider web.
Why this step matters: Knowing how it typically fails tells you where to look when you review its work.
A good session, start to finish
Decide what “done” looks like
Write one sentence describing the finished result before you open the chat: “a one-page plan I can send to my landlord by Friday.” If you cannot describe it, the bot cannot hit it.
Give context once, in the right place
Put standing facts about you, your business or your project where {name} keeps them between chats, instead of pasting them into every message.
Ask for a draft, then steer
Take the first answer as a rough draft. Reply with specific edits (“shorter”, “cut the second option”, “use our real prices”) rather than starting over.
Check the parts that matter
Open the source behind every number, name, date and quote you will reuse. For files, spot-check two page references. For code, run it.
Save what worked
Copy the final prompt into a notes file or saved instructions. Next time the same job takes one message instead of ten, and you spend fewer credits doing it.
Your first week with NotebookLM
How to spot a wrong answer
Warning signs
- It gives an exact number, date or quote with no link, or with a link that does not contain it.
- It agrees with everything you say, including a wrong assumption you slipped in to test it.
- The answer is fluent but vague: lots of “generally” and “it depends” and no specifics you can act on.
- It claims to have done something (sent, saved, booked, run) without a link, ID or file you can open.
- Two answers to the same question, asked in fresh chats, disagree on a fact.
- It names a setting, menu or plan feature you cannot find. Apps change their menus often, so check the official help pages.
What to do
Open the source and find the exact sentence. Ask NotebookLM to separate what it checked from what it assumed. Re-ask in a fresh chat with the source attached. If it still cannot back the claim up, treat it as unknown and use the official page instead.
None of this means the tool is bad. It means you are the editor, and editors check.
Power-user tips
Fewer, relevant sources give sharper answers than 50 loose ones.
Every answer links to the passage. Two clicks per answer catches most errors.
Clear file names make citations readable.
Tell it the audience and focus before generating.
Heavy days hit compute-based limits; spread big jobs.
Keep standing reference docs in one notebook you copy for each project.
Privacy and safety with NotebookLM
Google says NotebookLM data isn’t used for training unless you give feedback. Sharing a notebook shares its sources, so check before you invite anyone.
- Never paste passwords, API keys, one-time codes, full card numbers or government ID numbers into any chat.
- Remove other people’s names, addresses and account details from files before you upload them, unless you have their permission and a reason.
- Open the privacy or data-controls settings in your first week and decide whether your chats may be used to improve models.
- Use the account your employer approved for work material. A personal plan follows the consumer terms, not your company’s contract.
- For health, legal, tax or money decisions, use the bot to prepare questions, then confirm with a professional or an official source.
NotebookLM or another bot?
| If you need… | Pick | Why |
|---|---|---|
| Answers only from my files | NotebookLM | Grounded in your sources with citations. |
| Open web research with links | Perplexity | Searches the live web. |
| Long document editing | Claude | Better for rewriting, not just answering. |
| Notes and wiki in one place | Notion AI | Lives inside your workspace. |
Our editorial judgment, not a benchmark. Try your own real task in two bots before you pay for either.
Questions people ask
Is NotebookLM free?
Yes. The Standard tier is free with 100 notebooks, 50 sources per notebook, 50 chats and 3 Audio Overviews a day (Google help, checked Oct 30, 2026).
What do paid plans add?
Plus: 200 notebooks, 100 sources. Pro: 500 notebooks, 300 sources, 500 chats and 20 Audio Overviews a day. Ultra: up to 600 sources.
How big can a source be?
Up to 500,000 words or 200 MB per source.
Is it called Gemini Notebook now?
Google’s newer help pages use the name Gemini Notebook. It is the same product.
Does Google train on my sources?
Google says no, unless you give feedback.
What is an Audio Overview?
A generated podcast-style discussion of your sources. Check claims against citations.
Why did I hit a limit?
Since Sep 2, 2026, some limits are compute-based, refreshing every 5 hours with a weekly cap.
Can it search the web?
Deep Research can find sources (10 runs a month on free). Ordinary chat answers from your sources only.
Words you will see
The NotebookLM quiz, first-week checklist and cost calculator now have their own page.
Where these facts come from
- Google help: tier limits (notebooks, sources, chats, Audio Overviews, Deep Research), source size, compute-based limits since Sep 2, 2026
- NotebookLM / Gemini Notebook app
- Google help: data not used for training unless you give feedback
Checked Oct 30, 2026. Plans change, so confirm on the official page before you pay.
Next: NotebookLM lessons →