# How to sync Google Docs in NotebookLM (Gemini Notebook) > Refresh every Google Doc source in a NotebookLM (Gemini Notebook) notebook with one click using Sync Google Docs in the Kortex extension. https://www.kortex-notebooklm.com/tutorials/how-to-sync-google-docs-in-notebooklm 1. [Tutorials](/tutorials) 2. How to sync Google Docs in NotebookLM # How to sync Google Docs in NotebookLM (Gemini Notebook) 1 minute 5 steps Updated November 5, 2026 ## Quick answer Open the notebook in Gemini Notebook. Find the Kortex bar under its title and click Sync Google Docs in the Sources group. Kortex syncs every Google Doc source in the notebook again and reloads the page. ## Watch it first How to sync Google Docs in NotebookLM (Gemini Notebook) Read the transcript Here's how to sync Google Docs in Gemini Notebook, formerly NotebookLM. One click in Kortex refreshes every Google Doc source in a notebook. Open the notebook in Gemini Notebook. Kortex adds a bar under the notebook's title after the page loads. In the Kortex bar, the Sources group has Download sources, Sync Google Docs, Source views and Delete sources. Click Sync Google Docs. Kortex syncs every Google Doc source in this notebook again. When the sync finishes, Kortex reloads the page. Wait a moment, and don't close the tab until the sources list is back. The button works only on Google Doc sources. PDFs, web pages and pasted text are copies, so they stay the same. Now each Google Doc source has the current text of its doc. Ask your question, or make your briefing. Find the full steps and fixes on the Kortex website. ## What you need - The [Kortex extension](https://chromewebstore.google.com/detail/kortex/hdapplggdhndkblofffknpmnnnnbncbn) in Chrome, Edge or Brave, signed in - A Gemini Notebook (formerly NotebookLM) notebook that has at least one Google Doc source ## On this page 1. [Open the notebook](#step-1) 2. [Find the Sources group](#step-2) 3. [Click Sync Google Docs](#step-3) 4. [Wait for the reload](#step-4) 5. [Ask your question](#step-5) 6. [If it doesn’t work](#trouble) 7. [Questions](#faq) 1. ## Open the notebook Go to the notebook in Gemini Notebook. Kortex adds a bar under the notebook's title after the page loads. [![A notebook page with the Kortex bar under the title: collections, Chat Copy and Export, Sources download and sync buttons, Studio export and a Prompts button.](/media/features/kortex-bar.webp)](/media/features/kortex-bar.webp) The Kortex bar on a notebook. Collections, chat, sources, Studio and prompts sit in one row. 2. ## Find the Sources group In the Kortex bar, the Sources group has **Download sources**, **Sync Google Docs**, **Source views** and **Delete sources**. 3. ## Click Sync Google Docs Kortex syncs every Google Doc source in this notebook again. 4. ## Wait for the reload When the sync finishes, Kortex reloads the page. Wait a moment. Do not close the tab until the sources list is back. 5. ## Ask your question The Google Doc sources now have the current text of each doc. After the reload, ask Gemini Notebook your question or make your briefing. ## If it doesn’t work The Sync Google Docs button is missing from the Kortex bar Reload the notebook page. If the button is still missing, open the side panel's Manage features and check that the Kortex buttons are switched on. Some sources did not change The button works only on Google Doc sources. PDFs, web pages and pasted text are copies, so they stay the same. Check that the source you expected is a Google Doc. The notebook has no Google Doc sources Add a doc first. On a Google Doc, click the Kortex NotebookLM button before Share and pick the notebook. Then sync. ## Questions people ask Something we missed? [Ask us](#contact). ### Does syncing change my Google Docs? No. Kortex refreshes the sources in the notebook from the docs. It does not edit the docs. ### Can I sync from the Kortex Workspace? Yes. The Workspace has a Sync GDocs button next to Import Link. ### How often should I sync? Sync after you edit your docs, and before you make a briefing or ask an important question. The button works when you click it, so there is nothing to schedule. ## Keep going [Google Docs sync Refresh every Google Doc in a notebook with one click.](/features/sync-google-docs) [Kortex docs The full reference for this feature, with every option.](/docs/sync-all-gdocs-button) ### More tutorials - [How to add YouTube videos and playlists to NotebookLM](/tutorials/how-to-add-youtube-videos-to-notebooklm) - [How to bulk import links into NotebookLM (Gemini Notebook)](/tutorials/how-to-bulk-import-links-into-notebooklm) - [How to import a Reddit post into NotebookLM](/tutorials/how-to-import-reddit-threads-into-notebooklm) - [How to save a full web page as a PDF for NotebookLM](/tutorials/how-to-save-a-full-web-page-as-a-pdf-for-notebooklm) [All tutorials](/tutorials) ## Do it on your own notebooks. Install the Kortex extension and follow these steps on a notebook you already have. [Add to Chrome](https://chromewebstore.google.com/detail/kortex/hdapplggdhndkblofffknpmnnnnbncbn) 100,000+ users, rated 4.5 on the Chrome Web Store.