What Is Microsoft Copilot? Chat, 365 & Copilot+ PCs
Ask "what is Microsoft Copilot" and you'll get four different correct answers, because Microsoft attaches the same name to a standalone chat app, an assistant that lives inside Word and Excel, a class of Windows PCs, and a set of tools built for IT admins. Figuring out whether you need to pay for anything starts with figuring out which one you're actually looking at.
Microsoft explicitly separates the Copilot consumer chat app from Microsoft 365 Copilot, which works inside Word, PowerPoint, Excel, and Outlook rather than as its own chat window (Microsoft 365 plan page). A separate hardware category, Copilot+ PCs, includes AI components built into Windows that run locally on a chip called an NPU, or Neural Processing Unit, for specific features. Microsoft describes this local processing as reducing reliance on cloud connectivity for those particular tasks, not eliminating the cloud from Copilot entirely (Microsoft Support).
This guide sorts out which Microsoft Copilot AI tool applies to your situation, walks through how to check what you already have, and covers what the paid tiers actually add. It handles personal Microsoft accounts and work or school accounts separately, since the steps to check your access differ for each.
What is Microsoft Copilot, and which version do you have?
The table below breaks down the main things Microsoft calls "Copilot." Find your situation and skip to the matching section.
| Name | What it does | What to check |
|---|---|---|
| Copilot consumer chat experience | Conversational chat, not tied to a specific document | Whether you're using the free experience or a paid Microsoft 365 plan with higher usage |
| Microsoft 365 Copilot (consumer) | Drafts documents, analyzes spreadsheet data, builds slides, and summarizes email inside Word, PowerPoint, Excel, and Outlook | Your Personal, Family, or Premium subscription status |
| Microsoft 365 Copilot add-on (work or school) | Advanced in-app actions, like the Copilot Dynamic Action Button in Word, Excel, and PowerPoint | Your Copilot designation in the Microsoft 365 portal, or ask IT |
| Copilot+ PC AI components | Runs specific tasks locally, like on-device image editing and Phi Silica, a compact local language model, on the device's NPU | Whether the PC has Copilot+ hardware, separate from any subscription |
| Copilot Studio custom agents | Custom AI agents an organization builds and deploys into Teams or Microsoft 365 Copilot | The supplied Microsoft Q&A example describes an organizational setup, not something a personal account configures |
The important distinction is where Copilot gets its context. The consumer chat app is a general conversation tool, while Microsoft 365 Copilot performs app-specific work: drafting in Word, digging into an attached spreadsheet in Excel, or summarizing messages in Outlook (Microsoft 365 plan page).
For work accounts, Microsoft's documented permissions model, as summarized in a Microsoft Q&A response, limits Copilot's results to content the signed-in user already has access to. It doesn't hand anyone a shortcut into an organization's full data set (Microsoft Q&A). Copilot Studio, separately, lets organizations build custom agents and connect them to Teams or Microsoft 365 Copilot, with behavior that can differ depending on which of those channels the agent runs in (Microsoft Q&A). The supplied research describes this as an organizational setup, not something an individual account holder configures on their own.
If you're on a personal Microsoft account with no employer involved, go straight to the personal-account steps below. If you're on a work or school account, your access to the add-on capabilities in the table above depends on licenses your organization assigns, not anything you'd buy yourself. If you're shopping for a laptop and trying to figure out what "Copilot+" means on the spec sheet, that's a hardware question covered further down, separate from any subscription decision.
How to check which Copilot you're already paying for
Personal Microsoft accounts
Check your Microsoft 365 subscription status, whether that's Personal, Family, or Premium, in your Microsoft account settings. AI features in Word, Excel, PowerPoint, Outlook, and Designer are tied to the specific plan you hold, not to having a Microsoft account in general (Microsoft 365 plan page).
If you're on a Family plan, check whether you're actually the subscription owner. AI features in those apps are restricted to the owner and don't extend to anyone else sharing the plan (Microsoft 365 plan page).
Work or school accounts
One documented example: signing into the Microsoft 365 portal can show your Copilot designation, such as Copilot Chat (Basic), Microsoft 365 Copilot (Basic), or Microsoft 365 Copilot (Premium), near the bottom of the home page (Microsoft Q&A). That's one support scenario, not a universal layout. Admin configuration can move things around at your organization, so check your own portal instead of assuming that exact label will show up.
More advanced features, like the Copilot Dynamic Action Button in Word, Excel, and PowerPoint, need a separate Microsoft 365 Copilot add-on license assigned by an admin. Access to these capabilities depends entirely on what your organization assigns you, and a newly assigned license can take up to 24 hours to fully activate before it works (Microsoft Q&A).
If a Copilot on/off toggle you expected to see is missing, that may not be a bug on your end. One Microsoft Q&A responder reported that, in their test environment, a recent Office app update removed the manual option to disable certain Copilot features, so check your app version and organization's policy before assuming something's malfunctioning (Microsoft Q&A).
If nothing lines up: check your portal designation first, then wait out the 24-hour window after any new license assignment. If the button is still missing after that, the same Q&A thread points to Microsoft's own troubleshooting guidance for a missing Copilot button before you need to loop in IT (Microsoft Q&A).
What's free, what's paid, and what each tier buys
Microsoft draws three separate lines here, and blurring them is the easiest way to end up paying for something you already have, or expecting a feature you don't:
- Free Copilot chat: general conversational chat, with usage capped lower than any paid tier. Microsoft's plan page doesn't publish the exact free limit, so don't build a regular workflow around an assumed cap without checking the live page or in-app messaging first (Microsoft 365 plan page).
- Consumer Microsoft 365 Copilot: Copilot built into Word, Excel, PowerPoint, Outlook, and OneNote, available only to the Personal, Family, or Premium subscription owner (Microsoft 365 plan page).
- Work-account Copilot: access to advanced features depends entirely on the license your organization assigns, covered in the section above.
Microsoft 365 Copilot pricing: October 2025 snapshot
Microsoft's U.S. plan page listed the following prices and tiers roughly eleven months ago. This article hasn't reverified them since, so treat the table below as a historical snapshot rather than a live price list, and confirm current figures on Microsoft's plan page before buying anything.
| Plan | Price (Oct. 2025 snapshot) | What's included |
|---|---|---|
| Personal | $99.99/year | 1 person, 5 simultaneous devices, 1 TB storage, Copilot in Word, Excel, PowerPoint, Outlook, and OneNote, plus "advanced Copilot chat with higher usage than free" |
| Family | $129.99/year | Everything in Personal, plus coverage for 1 to 6 people (AI features stay owner-only), up to 6 TB total storage, with 1 TB per person |
| Premium | $199.99/year | Everything in Family, plus "advanced Copilot chat with extensive usage," the Researcher and Analyst agentic features, and higher limits for AI image generation |
The plan page highlights higher usage allowances and Premium-only research, analytics, and image-generation benefits as you move up tiers, rather than describing a separately named assistant at each level (Microsoft 365 plan page). If you're already on one of these plans, check what's included before assuming you need to upgrade or add anything on top of it.
Keep the two purchases separate in your head, too: a personal Microsoft 365 subscription does not replace the organization-assigned license required for the work-account capabilities described earlier in this piece.
Watch the trial terms if you're testing the waters. Subscriptions and free trials "automatically renew unless canceled" through your Microsoft account, so if you only want to try Copilot for a month, set a reminder to cancel before the renewal date (Microsoft 365 plan page).
One setup detail that trips people up: Copilot in Excel only works if AutoSave is turned on and the file is saved to OneDrive. It won't activate on a local, unsaved spreadsheet (Microsoft 365 plan page). Feature availability also varies by device and language, and usage limits apply across every tier, so a feature listed on the plan page may not look identical on every device or in every market (Microsoft 365 plan page).
What Copilot can do, according to Microsoft
These are Microsoft's own advertised capabilities, not independently tested results, which matters if you're planning to lean on any output for something consequential.
On the drafting and analysis side, Copilot can write and refine text in Word from a prompt plus uploaded notes, turn attached spreadsheet data into insights in Excel, and take an outline to a draft slide deck in PowerPoint (Microsoft 365 plan page). On the organization side, Copilot in Outlook summarizes messages to help you keep track of what matters (Microsoft 365 plan page).
Microsoft also warns, in documentation covering Copilot in Teams specifically, that generative AI responses can vary for the same question and may not always be accurate (Microsoft Q&A). That's a general caution worth applying to Copilot output anywhere, not proof that every Copilot surface behaves identically.
Buying a Copilot+ PC is a separate decision from any of this. That branding refers to Windows AI components, like on-device image editing tools and a compact local language model called Phi Silica, that run on the device's NPU for specific Windows features (Microsoft Support). Those components ship through Windows Update on their own schedule, and at least one variant, a Qualcomm-tuned build called Phi Silica J32, is scoped to specific Windows versions rather than guaranteed across every Copilot+ machine (Microsoft Support). Buying one is a hardware decision about what runs locally on that particular laptop. Based on the supplied sources, it doesn't establish that you have a Microsoft 365 Copilot subscription; those remain two separate purchases.
Before you pay for anything
Work through this in order before spending money on anything Copilot-related:
- Figure out whether you're on a personal Microsoft account or a work/school account. That determines which steps above apply to you.
- Personal accounts: check your current Microsoft 365 subscription tier in your Microsoft account settings. Work accounts: check your Copilot designation in the Microsoft 365 portal, or ask IT if nothing shows up.
- On a Family plan, confirm you're the subscription owner. AI features don't transfer to other people on the plan.
- Before signing up for anything new, check whether your existing Personal, Family, or Premium plan already covers the in-app feature you're after.
- Test the exact workflow you need, including Excel's AutoSave and OneDrive requirement, before paying for anything additional.
- Starting a free trial? Note the renewal date and cancel ahead of it if you only wanted to test the waters.
- Recheck current U.S. pricing, tier names, and usage limits directly on Microsoft's plan page before buying. The figures in this article are a snapshot from roughly eleven months ago, not a live price.
Personal users: confirm your plan tier, then run the exact workflow you're paying for before deciding to upgrade. Work-account users: check your portal designation or ask IT rather than guessing at settings you don't control. If you're eyeing a Copilot+ PC, treat it as a hardware decision about what runs locally on that machine, not as a substitute for whatever Microsoft 365 Copilot subscription you do or don't already have.
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