Copilot for Word
Copilot for Word is Microsoft's AI writing assistant built into Microsoft Word that drafts, rewrites, summarizes, and edits documents based on natural-language prompts and, optionally, other referenced files.
Definition
Copilot for Word is Microsoft's AI writing assistant built into Microsoft Word that drafts, rewrites, summarizes, and edits documents based on natural-language prompts and, optionally, other referenced files.
Overview
Copilot for Word is part of Microsoft 365 Copilot and appears as a side pane and inline suggestion tool within the Word application. A user can ask it to draft a document from scratch given a topic and desired length or tone, rewrite a selected passage to be more concise or formal, summarize a long document into key points, or continue writing from an outline. A distinguishing capability is its ability to draw on other files and context a user has access to within Microsoft 365 — for example, generating a project proposal draft that references an existing meeting transcript, spreadsheet data, or related document, rather than working purely from the prompt text alone. This grounding in organizational content is intended to produce drafts that are more relevant than a generic AI writing tool with no access to internal context. Copilot for Word supports iterative refinement: after a first draft, a user can ask it to adjust tone, add a section, shorten the document to a target length, or rewrite it for a different audience, and it applies the edit in place. It also integrates features like generating a document outline before drafting full content, and can restyle existing text without changing its underlying meaning. Like other Microsoft 365 Copilot apps, it requires a Microsoft 365 Copilot license and operates within the user's existing data access permissions, and its usefulness depends heavily on the quality and specificity of the prompt as well as the availability of relevant reference material within the organization's Microsoft 365 environment.
Key Features
- Drafts full documents from a topic prompt or outline
- Rewrites and restyles selected text for tone, length, or audience
- Summarizes long documents into concise key points
- Can reference other Microsoft 365 files the user has access to for grounded drafting
- Supports iterative, conversational editing of an existing draft
- Generates outlines before expanding into full document content
- Integrated directly into the Word interface via a side pane
- Requires a Microsoft 365 Copilot license and inherits its permission model
Use Cases
Alternatives
Frequently Asked Questions
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