# Source templates: tag and file sources consistently

Source: https://nlmexporter.com/guides/features/source-templates  
Section: Features  
Last verified: November 2026  
Plan: Free + Pro

A source template applies the same tags and folder assignment to many NotebookLM sources at once, so every project uses one taxonomy. Templates can be applied to selected sources, during bulk import, or by an automation rule when a tag is added.

## Quick facts

| Item | Detail |
| --- | --- |
| Where | Templates in the workspace; applied from the Sources panel or the import center |
| Plan | Free + Pro |
| Free | A limited number of templates and batch size. |
| Pro | Unlimited source templates and no batch limit. |

## Steps

1. Install [NotebookLM Ultra Exporter](https://chromewebstore.google.com/detail/notebooklm-ultra-exporter/afchokljnhhggkhedfbmkcmdagjmjchj) in desktop Chrome, then refresh any open NotebookLM (Gemini Notebook) tab.
2. Find it here: Templates in the workspace; applied from the Sources panel or the import center.
3. Use it on one item first and check the result before running it on many.

## What it does

- Tags and classifies several sources in one action.
- Carries folder assignments so sources land in the right place.
- Can package reference sources to copy into any notebook.

## Limits to know

- Tags and folders are extension data and are not shown by NotebookLM itself.
- A template without packaged sources cannot be used to copy sources.

## Frequently asked questions

### Do I need Pro for source templates?

Not for the basics. Free: A limited number of templates and batch size. Pro: Unlimited source templates and no batch limit.

### What is the difference from a notebook template?

A source template organises sources inside notebooks. A notebook template sets up a whole notebook.

## Related guides

- [Notebook templates: reuse a notebook setup](https://nlmexporter.com/guides/features/notebook-templates)
- [Source tools: search, filter, bulk download and delete](https://nlmexporter.com/guides/features/source-tools)
- [Note templates: reusable note outlines](https://nlmexporter.com/guides/features/note-templates)
- [Prompt library: save and reuse prompts in NotebookLM](https://nlmexporter.com/guides/features/prompt-library)
- [Prompt templates with variables](https://nlmexporter.com/guides/features/prompt-variables)
- [Studio batch generation and packs](https://nlmexporter.com/guides/features/studio-batch-generation)