Google AI updates NotebookLM with prompt-based slide editing and PowerPoint export

NotebookLM Updates Bring Long-Awaited Slide Editing Features

Google AI has rolled out a significant update to NotebookLM, addressing one of the most frustrating limitations users has faced since the AI tool gained slide deck capabilities last year. The AI-powered NotebookLM now supports prompt-based customization, allowing users to refine individual slides without the need to regenerate entire presentations1

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. This update marks a substantial improvement in workflow efficiency for professionals relying on the platform to create presentations from their research materials.

How Prompt-Based Customization Changes the Game

Before this update, if users were dissatisfied with even a single slide in their generated slide decks, they had to start the entire generation process from scratch. Now, with the new prompt-based customization feature, users can target specific slides—such as the second or fifth slide in a deck—and modify them individually using user prompts2

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. This makes NotebookLM updates far more practical for iterative work. While users still cannot manually edit specific elements within a slide or directly modify text—since slides are essentially AI-generated images—the ability to refine individual slides through natural language instructions represents a major step forward in making flexible slide decks more accessible.

Export Slide Decks as PPTX for Enhanced Compatibility

Alongside the editing improvements, Google has introduced the ability to export slide decks as PPTX, the native PowerPoint format1

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. This addition addresses a critical need for professionals whose workflow depends on Microsoft PowerPoint or similar applications. Users can now download their NotebookLM-generated presentations and continue editing them in PowerPoint, bridging the gap between Google's AI tool and traditional presentation software. Google has also indicated that Google Slides support is in development and will arrive soon, further expanding compatibility options for users across different platforms2

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Rollout Timeline and Availability

The new editing capabilities are currently rolling out to Pro and Ultra subscribers, with free users expected to gain access in the coming weeks1

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. For now, the prompt-based customization feature appears available on the web version of NotebookLM, with mobile app support anticipated later2

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. This phased rollout follows Google's pattern of rapid NotebookLM updates, with the company introducing major improvements almost every other week. The AI tool, powered by Gemini, already allows users to generate either Detailed Deck or Presenter Slides with customizable length and language options, making it one of the more versatile AI tools for research synthesis and presentation creation2

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What This Means for NotebookLM Users

These enhancements signal Google's commitment to making NotebookLM a more competitive option in the AI productivity space. The ability to refine and modify slides through prompts, combined with PPTX format export capabilities, addresses two critical pain points that previously limited the tool's utility for professional presentations. As Google continues to iterate on NotebookLM with frequent updates, users should watch for the upcoming Google Slides integration and potential expansion of editing capabilities beyond prompt-based modifications. The improvements make NotebookLM increasingly viable for users who need to quickly transform research materials into polished presentations while maintaining flexibility in their creative workflow.