Drafting Documents and Communications

Draft a new document from a prompt in Word

Say you need a one-page project brief and you are staring at a blank page. In Word, open a blank document, type what you want into the Copilot prompt box, and select Generate; Copilot returns a first draft you can act on. The prompt is where you set tone and length: "Draft a one-page project brief for the Contoso rollout, professional tone, three short sections." The more the prompt names the audience, the format, and the length, the closer the first draft lands.

Once a draft appears you have three choices. Keep it accepts the content into your document, Regenerate produces a different version of the same request, and Discard throws it away. You are not stuck with the first attempt: type a follow-up like "make it more concise" or "add a risks section" in the compose box and Copilot revises in place. You can also select existing text, a list, or a table first and ask Copilot to rewrite or restructure just that selection.

Drafting from a bare prompt is the right move when there is no existing source to build on, a brand-new idea, a from-scratch memo, a blank outline. The moment a real file should shape the result, reference it instead (see the next section), because a grounded draft beats a generic one. Using Copilot for documents, email, and presentations requires an eligible Microsoft 365 subscription or a Microsoft 365 Copilot license. See Draft and add content with Copilot in Word^[1].

Drafting loop in Copilot in Word: prompt, Generate, then Keep it, Regenerate/refine, or Discard.

Generate a document from an existing file

The fastest way to get a usable draft is to point Copilot at the file it should build from. In the Copilot prompt box, describe what you want, then type "/" and start typing a file name to link it; in the pane that opens you can also select Files and pick the document. A grounded draft uses your organization's own terminology, data, and numbers, which is why "Draft a renewal proposal from the Fabrikam account plan" beats "Draft a renewal proposal" every time.

The "/" reference has firm boundaries worth memorizing. In Word you can reference up to 20 items, and the accepted types are Word, PowerPoint, PDF, and TXT files. You can only reference files you have permission to open in your organization's OneDrive or SharePoint; Copilot will not draft from content you cannot access, which keeps existing access controls intact. Referencing is also how you reuse and transform content: ask Copilot to turn last year's report into this year's outline, or to rewrite a technical document for a non-technical audience, all grounded in the file you named.

The same "/" gesture works in Copilot Chat and the Microsoft 365 Copilot app, where you can reference not just files but people, meetings, and emails as the source. Choosing the right source is part of writing the prompt, because the same request grounded on different files produces different drafts. See Draft and add content with Copilot in Word^[1] and Refer to specific files in Microsoft 365 Copilot^[2].

Referencing an existing file with "/" in Copilot in Word: up to 20 Word, PowerPoint, PDF, or TXT items ground the draft.

Generate a management summary of a document

When the goal is to compress rather than create, ask Copilot to summarize. Summarizing is not drafting: a summary is a focused subset of one source, so it stays grounded in that document, whereas drafting new content may pull from other sources. In Word, ask Copilot to create a summary and it distills the document to its key points and takeaways and offers follow-up questions you can click to dig deeper.

A management or executive summary is just a steered summary: ask for the decisions, risks, and action items, not a neutral recap. A prompt like "Summarize this report for an executive: the three key decisions, the budget impact, and the action items with owners" produces something a leader can read in a minute. The same works across files from Microsoft 365 Copilot Chat or from OneDrive, where you can select up to 5 files and choose Summarize this file; the accepted types are Word, PowerPoint, PDF, and Excel.

Two conditions trip people up on Word's automatic summary, the one that appears at the top of a document on its own. It is stricter than drafting in general: it needs the document to have at least 200 words, specifically a Microsoft 365 Copilot (work) license rather than any eligible subscription, and the file saved in OneDrive or SharePoint. If you do not see an automatic summary, those conditions are usually why; you can still ask Copilot for a summary in Chat regardless. See Create a summary of your document with Copilot in Word^[3] and Summarize your files with Copilot^[4].

Summarizing in Copilot in Word: a neutral summary versus a steered management summary, plus the conditions for the automatic summary.

Move data and insights between Microsoft 365 apps

Copilot's real leverage is moving grounded content between apps so you never rebuild it by hand. The clearest case is Word to PowerPoint: in a blank presentation, select Copilot, type "Create presentation from file," pick the document, and Copilot drafts a deck with slides, speaker notes, and any images found in the source. It works best when the Word document is under 24 MB, so trim or split very large files before asking.

The same carry-it-across pattern shows up in the other directions. In Excel, ask Copilot for insights and it returns charts, PivotTables, summaries, trends, or outliers from your data; you can then reference that workbook with "/" in Copilot Chat or Word to fold the figures into a written summary, so the numbers and the narrative stay consistent. In Copilot Chat you can draft an email and select Edit in Outlook to push the draft into your mailbox and finish it there. Each hop reuses the same source content rather than copy-pasting it between apps.

Think of it as one piece of grounded content flowing through documents, data, decks, and email. The link between apps is the file you reference: a Word brief feeds a PowerPoint deck, an Excel analysis feeds a Word summary or an email, and a Chat draft lands in Outlook. See Create a new presentation with Copilot in PowerPoint^[5], Get started with Copilot in Excel^[6], and Create content using Microsoft 365 Copilot Chat^[7].

Moving content across apps: a Word doc builds a deck, Excel insights feed a summary or email, and a Chat draft moves to Outlook.

Which Copilot drafting task fits the goal

Goal	Where	How you ask	What you get
New document from a prompt	Copilot in Word	Type the request in the prompt box, select Generate	A fresh draft you Keep it, Regenerate, or Discard
Document from an existing file	Copilot in Word	Type "/" and pick the source (up to 20 items)	A draft grounded in your file's terms and data
Management summary of a document	Copilot in Word or Chat	Ask to summarize; request key points and action items	Key points, takeaways, and decisions, not new content
Presentation from a document	Copilot in PowerPoint	Type "Create presentation from file," pick the file	A draft deck with slides, speaker notes, and images
Email from drafted content	Copilot Chat to Outlook	Draft in Chat, select Edit in Outlook	The draft moved into Outlook to finish and send

Decision tree

Cheat sheet

Sharp facts the exam loves — give these one last read before exam day.

Cheat sheet

Sharp facts the exam loves — scan these before test day.

Draft a new document in Word by typing the request and selecting Generate

To draft from scratch, open a blank Word document, type what you want into the Copilot prompt box, and select Generate; Copilot returns a first draft. Put the tone and length in the prompt itself ("professional, one page, three sections") so the first pass lands closer to what you need. This is the right path when there is no existing file to build on; the moment a real source should shape the result, reference it instead.

12 questions test this

Keep it, Regenerate, or Discard a Copilot draft, and refine with a follow-up

After Copilot generates a draft in Word, you choose Keep it to accept it, Regenerate to get a different version of the same request, or Discard to drop it. You are not locked into the first attempt: typing a follow-up like "make it more concise" or "add a risks section" in the compose box revises the draft in place. You can also select existing text, a list, or a table and ask Copilot to rewrite just that selection.

26 questions test this

Reference an existing file by typing "/" so the draft is grounded in it

Typing "/" in the Copilot prompt box opens a picker to name the file Copilot should draft from, which grounds the result in your own terminology, data, and numbers instead of generic text. This is how you generate a document from an existing document rather than from scratch, and how you reuse or transform content (turn last year's report into this year's outline). The same request grounded on different files produces different drafts, so choosing the source is part of writing the prompt.

Trap Drafting from a blank prompt when a relevant file exists; the ungrounded draft misses your specific terms, figures, and KPIs that the referenced file would have supplied.

53 questions test this

Copilot in Word references up to 20 items: Word, PowerPoint, PDF, and TXT

When you draft from existing files in Word, you can reference up to 20 items, and the accepted file types are Word, PowerPoint, PDF, and TXT. Pick them by typing "/" and the file name, or by selecting Files in the pane that opens. Knowing the cap and the supported types matters because an unsupported format or a 21st file simply will not be available as a source.

You can only reference files you have permission to open

Copilot can ground a draft only on files you already have permission to access in your organization's OneDrive or SharePoint, so it never exposes content you could not otherwise open. This keeps existing access controls intact: referencing a file through Copilot is not a way around permissions. If a colleague's file does not appear when you type "/", you most likely lack access to it.

Trap Assuming Copilot can pull from any file in the tenant; it is limited to files you personally have permission to open, so it respects existing OneDrive and SharePoint access.

15 questions test this

Summarizing compresses one source; drafting can create new content

Ask Copilot to summarize when the goal is to shorten an existing document to what matters, and to draft when the goal is to create content. A summary is a focused subset of one source, so it stays grounded in that document, whereas drafting new content may pull from other sources you reference. In Word, a summary distills the document to its key points and takeaways and offers follow-up questions you can click to go deeper.

Trap Asking Copilot to "draft a summary" of a report and expecting a faithful condensation; framing it as drafting invites new or reframed content, while asking it to summarize keeps the output anchored to the source.

4 questions test this

Get a management summary by asking for decisions, risks, and action items

A management or executive summary is a steered summary, not a separate feature: ask for the key decisions, the budget or risk impact, and the action items with owners rather than a neutral recap. A prompt like "Summarize this report for an executive: three key decisions, budget impact, and action items" produces something a leader reads in a minute. Specifying the audience and the elements you want is what turns a generic summary into a management one.

8 questions test this

Word's automatic summary needs 200+ words, a work license, and OneDrive/SharePoint

The automatic summary that appears at the top of a Word document on its own requires the document to have at least 200 words, a Microsoft 365 Copilot (work) license, and the file saved in OneDrive or SharePoint. If you do not see one, those unmet conditions are usually why. You can still ask Copilot for a summary in Chat regardless, so a missing automatic summary does not mean summarization is unavailable.

Summarize up to 5 files at once from OneDrive

From OneDrive you can select up to 5 files and choose Summarize this file to get a combined summary; the accepted types are Word, PowerPoint, PDF, and Excel. This is the multi-file path when one summary needs to span several documents, distinct from the single-document summary inside Word. You can steer it by naming a topic or focus area so the summary is organized the way you need.

1 question tests this

You are a business analyst at Fabrikam. A colleague sends you a lengthy contract as a file you have saved to OneDrive, and you want a quick…

Build a deck from a document with "Create presentation from file" in PowerPoint

To turn a finished Word document into a deck, open a blank presentation, select Copilot, type "Create presentation from file," and pick the document; Copilot drafts slides with speaker notes and pulls in any images it finds in the source. This carries content across apps instead of rebuilding it slide by slide. It is the standard move when a written brief or report needs to become a presentation.

Trap Copy-pasting a Word document into slides by hand when "Create presentation from file" would draft the deck, including speaker notes and images, directly from the source.

7 questions test this

Copilot in PowerPoint works best with Word files under 24 MB

When building a presentation from a Word document, Copilot in PowerPoint works best when the file is under 24 MB. For a very large source, trim or split it before asking Copilot to create the deck, otherwise the result may be incomplete. The size guidance is about the source document you reference, not the deck Copilot produces.

Get insights in Excel, then carry the figures into a write-up

Copilot in Excel returns insights as charts, PivotTables, summaries, trends, or outliers from your data; you reach it through the Copilot icon in the lower-right corner. To move those numbers into a document or email, reference the workbook with "/" in Copilot Chat or Word so the figures and the narrative stay consistent. This keeps a single grounded source flowing from analysis to write-up instead of retyping numbers.

Draft an email in Copilot Chat and select Edit in Outlook to finish it

In Copilot Chat you can draft a full email, then select Edit in Outlook to push the draft into your mailbox and keep editing before you send. This moves a drafted message from chat into the app where you actually send mail, without copy-pasting. It is the cross-app path for turning a Chat-drafted message into a real Outlook email.

3 questions test this

The link between apps is the file you reference, not retyping

Copilot moves content across Microsoft 365 apps by grounding each new task on a file you reference, so one piece of content flows from document to deck to email without being rebuilt by hand. A Word brief feeds a PowerPoint deck, an Excel analysis feeds a Word summary or an email, and a Chat draft lands in Outlook. Thinking in terms of "which source feeds this" is faster and more consistent than copying text between apps.

2 questions test this

Drafting needs an eligible Microsoft 365 subscription or Copilot license

Using Copilot to draft documents, build presentations, and write email requires an eligible Microsoft 365 subscription or a Microsoft 365 Copilot license. The work (licensed) tier is also what enables grounding on your organization's files, emails, and meetings. Without it, the file-referencing and automatic-summary capabilities that make drafts grounded are unavailable.

Pick PowerPoint for content you present on screen and Word for content people read

Match the Copilot app to the deliverable, not the source: use Copilot in PowerPoint when the output is a slide deck delivered live to an audience (pitch, onboarding session, town hall), and Copilot in Word when the output is multi-page narrative meant to be read at the reader's own pace. Copilot in PowerPoint can build a deck straight from a short topic prompt even when no source file exists yet.

Trap Reaching for Word to produce a deck for a live presentation, or for PowerPoint to produce long-form written analysis.

8 questions test this

Summarize content with the Copilot that lives where the content is

Choose the summarizing tool by where the discussion actually happened: Copilot in Outlook for an email thread, Copilot in Teams for a group chat or a meeting, and Copilot in Word/PowerPoint for an open document or deck. When decisions span two places, run the recap in whichever app holds the deciding content, then carry it into Outlook to draft the message.

Trap Forwarding a Teams chat or meeting into Outlook to summarize it there instead of recapping it in Teams where it occurred.

10 questions test this

Copilot summaries include references back to the exact slide or section

When Copilot summarizes or answers a question about a document or deck, it attaches references (citations) pointing to the specific slides in PowerPoint or sections in Word it drew from. Selecting a reference navigates to that source so you can verify each claim before sharing — this is the built-in feature for tracing summarized statistics and decisions back to the original.

Trap Assuming you must re-read the whole document to check the summary, when the References list already links each point to its source.

10 questions test this

Always verify a Copilot draft or summary against the source before distributing it

Copilot generates plausible content that can omit details, misstate figures, or surface confidential information, so you must review it against the original file and edit before sending — especially for leadership, clients, external partners, or policy and financial content. Human review of the facts is the required responsible-AI step; Copilot output is a draft, not a finished deliverable.

Trap Sending a Copilot-generated draft or summary straight to executives or external partners without checking it against the source.

9 questions test this

An effective Copilot prompt states goal, context, expectations, and source

Microsoft frames a strong prompt as four parts: the goal (what you want), context (background and audience), expectations (format, tone, length, structure), and source (files or data to reference). Detailed prompts that name the audience, scope, sections, and tone produce more targeted first drafts than vague one-liners.

Trap Giving a bare topic instruction with no audience, scope, tone, or source file and expecting a tailored draft.

21 questions test this

Apply Word heading Styles before turning a document into a presentation

Copilot in PowerPoint relies on built-in Word Styles such as Heading 1 and Heading 2 to read a document's hierarchy and decide how to break it into slides. Format the source with real Styles (not just bold text) first, and Copilot produces better-structured, more logically organized slides and tries to carry over images found in the document.

Trap Using bold or larger font for section titles instead of built-in Heading Styles, leaving Copilot without the structure it needs.

4 questions test this

Use Copilot Chat with / to pull and synthesize across files, chats, and meetings

To produce one document or email that combines several sources — for example a Teams chat plus a SharePoint file — use Microsoft 365 Copilot Chat in Work mode (or Draft with Copilot) and reference each item directly with the forward-slash (/) or Add content button. Copilot then retrieves and synthesizes the referenced sources into a single grounded output.

Trap Copying and pasting content from each source into the prompt instead of referencing them with / so Copilot retrieves them itself.

10 questions test this