What can Copilot do in Word?

Copilot in Word drafts documents from a prompt or outline, rewrites passages in a different tone or length, summarizes long documents, and answers questions about the document's contents. It works best as a drafting and editing partner — you stay in control of the final wording. Like all Copilot features, it requires a Copilot license and works on files where the feature is enabled.

Copilot in Word

Copilot in Word: a practical guide

The short answer: Copilot in Word is a drafting and editing partner, not an author. It's genuinely good at four things: starting a draft from a prompt or outline, rewriting a passage in a different tone or length, summarizing a long document, and answering questions about what's in the document. You stay in control of the final wording — and you should, because it won't match your voice on its own.

Drafting from scratch

Give it a prompt — "draft a project update email covering the delay, the new timeline, and the three open risks" — and it produces a starting draft. The draft will be structurally sound and tonally bland. That's fine: the value is skipping the blank page, not publishing the output. Plan to rewrite at least a third of it in your own voice.

Rewriting and tone shifts

Select a passage and ask for it shorter, more formal, more direct, or friendlier. This is where Copilot earns its keep for most people — tightening rambling paragraphs, softening blunt emails, making a technical explanation readable. It preserves your meaning better than it invents new ideas, so give it your ideas and let it polish the delivery.

Summarizing long documents

"Summarize this document in five bullets for someone who hasn't read it" works well on reports, contracts, and meeting notes. For anything that matters — a contract, a legal letter — read the source yourself afterward. Summaries can smooth over exactly the detail you needed.

Asking questions about the document

"What does this proposal say about payment terms?" "List every deadline mentioned." Copilot reads the document and answers from its contents. Useful for long documents where the answer is in there somewhere and you'd rather not hunt.

Where it falls short

Your voice. Copilot writes competent, generic prose. If your writing has personality, the draft will need real rewriting — budget for it.
Facts. It can misstate details from the document or invent plausible-sounding specifics. Verify anything load-bearing.
Structure for long documents. It handles sections well and whole-manuscript architecture poorly. You architect; it drafts rooms, not buildings.

The workflow that actually works You outline, Copilot drafts, you rewrite. People who try "Copilot, write the whole thing" get bland output they don't trust. People who use it to get past the blank page and then edit hard get 80% of the value with 20% of the friction.

Informational only.

Capabilities vary by license, update channel, and region. Details reflect Microsoft's published documentation as of September 2026. Not affiliated with Microsoft.