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Microsoft Copilot in PowerPoint vs. slide-deck.io

Copilot in PowerPoint works inside PowerPoint. Microsoft Support describes it as helping you create, edit, and understand presentations, and says it is available in PowerPoint for Windows, Mac, and the web.

slide-deck.io runs in the browser and hands you a .pptx. If you already work in PowerPoint with a Microsoft 365 Copilot license, Copilot sits where you edit. If you want a deck generated outside PowerPoint and exported with native charts, tables, and notes, slide-deck.io is the alternative.

Core difference

Copilot is an assistant inside PowerPoint. slide-deck.io is a separate generator that exports a PowerPoint file. They can also be used together: open a slide-deck.io export in PowerPoint and edit it there.

Feature comparison

Feature	slide-deck.io	Microsoft Copilot
Where it runs	In the browser; export to .pptx	Inside PowerPoint for Windows, Mac, and the web [2]
Create from a prompt	Yes	Yes — you type a description of the presentation [1]
Licensing	Free and paid plans on slide-deck.io	Included with a Microsoft 365 subscription that has Copilot access; Brand kit needs a Copilot license [1][2]
Review of AI output	Review and edit every slide	Microsoft says output is AI-generated and should be human-reviewed and edited [1]

Sources

Microsoft Copilot statements are quoted or paraphrased from the vendor's own pages, observed October 2, 2026. Vendor pages change; check the source before you decide.

slide-deck.io note: chart, table, and notes objects are native in the exported .pptx. Text selectability in Microsoft PowerPoint desktop has not yet been verified against a release artifact.

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