Gathering material in a notebook is rarely the goal in itself. Sooner or later you want something out of it: a write-up, an analysis, a slide deck. Copilot Notebooks now takes that step for you, building a Word document, an Excel spreadsheet or a PowerPoint presentation from the references you’ve collected. What stands out is how little you do to start it — and how little you get to steer. We put all three formats through their paces and set out what comes back, and what determines whether it’s any good.
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The process is deliberately short: pick a format, and Copilot starts straight away. You don’t write a prompt — Copilot uses a fixed one instead, which you can read in the chat as it runs. It sets two conditions that shape the draft: nothing may appear that isn’t in your references, and the length is capped at six pages for a document, three sheets for a spreadsheet and six slides for a presentation. None of that can be changed before you start.
Afterwards it can be, though how much depends on the format. With Presentation and Spreadsheet, the agent stays available in the notebook: ask for extra slides or another sheet and you’ll get them, cap or no cap. With Document, the session ends once the draft is finished and you carry on in Word. That difference matters more than it first appears. Inside the notebook, Copilot still has your references and can pull further material from them. In Word it starts without that connection, and you’d have to supply the sources again yourself.
The feature handles exactly one step, and handles it reliably: turning collected material into a complete first draft. Having no prompt to write makes it about as easy to start as it could be, but the preparation moves upstream instead — what sits in the notebook is what you get. What happens next comes down to format. Presentation and Spreadsheet can be reworked in the notebook; Document can only be reworked in Word. That’s the distinction worth remembering, because in the notebook Copilot is still working with your references, and in Word it isn’t.