What is Microsoft 365 Copilot?
A clear answer.
Microsoft 365 Copilot is an AI assistant built into the Microsoft 365 apps your organization already uses: Word, Excel, Outlook, Teams, and PowerPoint. It reads your emails, documents, and meetings (with your permission), and uses that context to help you write, summarize, analyze, and get things done faster. As of June 2026, it is the most widely deployed enterprise AI tool on the market.
Here's the thing: "Copilot" is actually three distinct products that share a name. Most of the confusion people have about it comes from not knowing which one they're talking about. This page sorts that out, explains what each product does, covers pricing, and walks through the agents and features that matter most right now. (I've been training organizations on Copilot since 2023, across just about every category: insurance, banking, healthcare, startups, retail, and more, with organizations ranging from mid-sized to enormous. Dozens of those sessions have been in English over Zoom. What's on this page reflects what I actually see working.)
The three products called "Copilot"
Microsoft uses the name "Copilot" for three different things. They look similar from the outside, cost very different amounts, and do very different things. Knowing which one you're talking about matters before any decision about licensing, training, or rollout.
01Microsoft Copilot (free chatbot)
This is the free, consumer-facing version. You get it at copilot.microsoft.com or inside the Microsoft Edge browser. It's powered by a large language model (similar to ChatGPT), handles general questions, can generate images, and works with web search. It does not connect to your organization's files, emails, or calendar. Anyone can use it. It doesn't require a Microsoft 365 subscription. (Think of it as Microsoft's answer to a general-purpose AI chatbot. Useful, but not what enterprise buyers are evaluating.)
02Microsoft 365 Copilot (the paid enterprise product)
This is what most organizations mean when they say they're "rolling out Copilot." It's a paid add-on to Microsoft 365 that sits inside Word, Excel, Outlook, Teams, and PowerPoint. It connects to your organization's actual data: emails, documents, calendar, meeting recordings, SharePoint files. That connection is what makes it genuinely useful for enterprise work rather than just a chat interface. It requires a qualifying Microsoft 365 license plus the Copilot add-on. Pricing as of June 2026: $30 per user per month for enterprise plans (Microsoft 365 E3/E5/F3, Office 365 E1/E3/E5), and $18 per user per month for the Microsoft 365 Copilot for Business tier, which targets smaller organizations. I cover pricing in detail in section 04 below.
03Microsoft Copilot Studio (the builder)
This is the platform for building your own AI agents and custom Copilot experiences on top of Microsoft's infrastructure. IT teams and developers use it to create organization-specific automations: a Copilot agent that answers HR policy questions, one that handles expense approvals, one that routes customer inquiries. Copilot Studio is a separate product with its own pricing. It's worth knowing exists, but most organizations working with Microsoft 365 Copilot don't start here. They start with the product in section 02 and consider Studio once they've identified real workflow needs.
What Microsoft 365 Copilot does across the apps
Microsoft 365 Copilot works inside the apps you already open every day. The experience is different in each one, because the tasks are different. Here's what it actually does in each application, without the marketing layer.
01Word
Copilot in Word can draft a document from a prompt, rewrite a section you highlight, change the tone of a passage (from formal to conversational, or vice versa), summarize a long document, and suggest edits. It can also pull content from other files in your Microsoft 365 environment. In practice, the most useful capabilities are draft-from-outline and rewrite-for-tone. Teams that write a lot of reports, proposals, and documentation see the clearest time savings here.
02Outlook
Copilot in Outlook summarizes email threads, drafts replies, and can generate a new email from a few bullet points. For people managing high-volume inboxes, the thread summary alone is genuinely valuable: it reads 40 messages and tells you what happened and what was decided. It can also help manage your calendar, suggest meeting times, and flag follow-up tasks from your email. (In sessions I run, Outlook is often the application where people have the fastest "I need this" moment.)
03Teams
Copilot in Teams produces meeting summaries, extracts action items, and lets you ask questions about what was discussed in a meeting you attended or missed. You can ask "what did we decide about the Q3 budget?" and it will find the relevant part of the transcript. For organizations with a lot of internal meetings, this is the feature that gets adopted fastest, because you don't have to change how you work: just turn it on for meetings going forward.
04Excel
Copilot in Excel can analyze data, suggest formulas, build charts, and highlight trends without you writing a single formula. You describe what you want in plain language and it figures out the calculation. It can also generate Python-based analysis for more advanced tasks. The honest truth about Excel Copilot: it's impressive on well-structured data and less reliable on messy spreadsheets with inconsistent formatting. Use it on clean data first.
05PowerPoint
Copilot in PowerPoint can generate a presentation from a prompt or from an existing Word document, add slides to a deck, redesign slides for visual consistency, and summarize a long presentation. The slide generation quality has improved significantly since launch. It's still not the best AI tool for presentation design (for that, there are more specialized options), but for internal decks built from existing content, it saves real time.
Copilot agents: Researcher, Analyst, and Cowork
As of June 2026, Microsoft 365 Copilot includes built-in agents (sometimes called "Copilot agents" in the UI). These are not just chat windows. They are AI systems that can take multi-step actions, use tools, and complete tasks that would take you hours to do manually. Three agents are worth knowing specifically.
01Researcher
Researcher is a Copilot agent that combines web search with your Microsoft 365 data to produce deep, sourced research on any topic. You give it a question or a brief, and it goes off, runs multiple searches, reads sources, and comes back with a structured answer including citations. For analysts, strategy teams, and anyone who needs to produce research briefs regularly, this is a significant time saver. It's not a substitute for expert judgment, but it gets you to a strong starting point fast.
02Analyst
Analyst is a Copilot agent focused on data work. It can connect to data sources, run analysis, build charts, and produce reports with very little manual work. It uses Python under the hood (you don't write any code). If your team regularly produces data-heavy reports, this is the agent to explore first. It's available to Microsoft 365 Copilot subscribers and works best when your data is accessible in the Microsoft 365 environment.
03Cowork (Claude inside Microsoft 365 Copilot)
Cowork is one of the more interesting recent additions: it's an integration that brings Anthropic's Claude model into Microsoft 365 Copilot. That means you can use Claude's capabilities (including its strong performance on complex reasoning and writing tasks) directly inside the Copilot interface, without switching to a separate tool. As of June 2026, Cowork is available as part of the Microsoft 365 Copilot subscription and represents a notable shift: Microsoft is no longer the only AI model inside Copilot. This is the kind of development worth watching as the enterprise AI market matures.
Copilot Pages
Alongside the agents, Microsoft introduced Copilot Pages: a shared workspace where AI-generated content can be turned into a collaborative document that multiple people edit together. It's a bit like a lightweight wiki that lives inside the Microsoft 365 ecosystem. Not every team will use it heavily, but for teams that frequently compile research or build shared documents from multiple sources, it's worth knowing it's there.
Microsoft 365 Copilot pricing (June 2026)
Pricing for Microsoft 365 Copilot as of June 2026. Microsoft has adjusted pricing and bundling several times since launch, so if you're reading this later, verify current pricing directly with Microsoft or your reseller.
| Product | Price | Who it's for | Requires |
|---|---|---|---|
| Microsoft Copilot (free) | Free | Anyone, consumer use | Microsoft account (free) |
| Microsoft 365 Copilot | $30/user/month | Enterprise organizations | Microsoft 365 E3, E5, F3, or Office 365 E1/E3/E5 |
| Microsoft 365 Copilot for Business | $18/user/month | Small and mid-sized organizations | Microsoft 365 Business Standard or Premium |
| Microsoft Copilot Studio | Separate pricing (per-session model) | IT teams building custom agents | Microsoft Azure subscription |
The $30 enterprise tier and $18 business tier are the two most commonly evaluated options. The difference is not just price: the enterprise tier connects more deeply to the Microsoft 365 data estate (Teams recordings, advanced SharePoint search, broader Graph integration). For organizations with fewer than 300 employees and simpler IT infrastructure, the $18 business tier is usually the right starting point.
One important note on cost: the license cost is only part of the equation. The other part is adoption. Organizations that buy Copilot and skip training typically see 10-20% of users engaging with it meaningfully after 90 days. Organizations that invest in structured training see substantially higher adoption. A license that gets used is worth the price. A license that collects dust at $30/user/month across 500 users… adds up fast.
The May 2026 redesign: what changed
In May 2026, Microsoft released a significant redesign of the Microsoft 365 Copilot experience. If you last looked at Copilot in 2024 or early 2025, it looks and behaves noticeably differently now.
The main changes: the Copilot chat interface was redesigned with a cleaner, more conversational layout. The sidebar that appeared in individual apps (Word, Outlook, etc.) was streamlined. The agents (Researcher, Analyst, Cowork) were surfaced more prominently in the main Copilot hub. A prompt library was added: three dots in the chat interface now open a browsable collection of suggested prompts organized by task type and application. For new users, this is genuinely helpful as a starting point. For experienced users, it's optional background.
The redesign also changed how the Copilot app sits in the Microsoft 365 ecosystem. It now functions more clearly as a hub: a single place where you can access all the agents, start tasks across apps, and review what Copilot has helped with recently. (Whether this hub model actually changes how people work day-to-day is the more interesting question. From what I've seen in sessions since the update, most people still primarily encounter Copilot inside the individual apps, not through the hub.)
Who should actually use Microsoft 365 Copilot
Microsoft 365 Copilot is built for knowledge workers who spend most of their day in the Microsoft 365 apps. Not developers. Not data scientists. Regular employees: people who write emails, sit in meetings, build reports, update spreadsheets, and create presentations as core parts of their jobs.
The strongest fit is an organization that already has Microsoft 365 deployed broadly, has knowledge workers doing document-heavy or communication-heavy work, and is willing to invest in training so the tool actually gets used. The weakest fit is an organization that only uses a handful of Microsoft 365 apps, has primarily technical or field-based staff, or wants to try Copilot without any structured rollout (in that case, adoption typically stalls within weeks).
There is also a question of readiness. Copilot works best when your Microsoft 365 environment is reasonably organized: permissions set correctly, SharePoint content accessible to the right people, Teams meetings being recorded. If the underlying data estate is a mess, Copilot will find a mess. Fixing the environment is part of a real rollout, not optional. For a broader look at where Copilot applies in real organizational workflows, see the Microsoft Copilot use cases page.
Common questions about what Microsoft Copilot is
What is Microsoft 365 Copilot, in one sentence?
Microsoft 365 Copilot is an AI assistant built into Word, Excel, Outlook, Teams, and PowerPoint that uses your organization's own data (emails, documents, meetings) to help employees write faster, summarize content, analyze data, and get things done without switching between tools.
What is the difference between Microsoft Copilot and Microsoft 365 Copilot?
Microsoft Copilot (without "365") is a free consumer chatbot available at copilot.microsoft.com. It does not connect to your organization's files or data. Microsoft 365 Copilot is the paid enterprise product that integrates with your Microsoft 365 environment and works inside apps like Word, Outlook, and Teams. The names are confusing. Microsoft made them more confusing over time by rebranding several times. The rule of thumb: if someone at an organization is asking "should we buy Copilot", they mean the paid Microsoft 365 add-on.
How much does Microsoft 365 Copilot cost?
As of June 2026: $30 per user per month for the enterprise tier (requires Microsoft 365 E3/E5/F3 or Office 365 E1/E3/E5), and $18 per user per month for the Microsoft 365 Copilot for Business tier (requires Microsoft 365 Business Standard or Premium). The free Microsoft Copilot chatbot is available at no charge. Copilot Studio (for building custom agents) has separate, consumption-based pricing.
What are the Copilot agents (Researcher, Analyst, Cowork)?
These are built-in AI agents included in the Microsoft 365 Copilot subscription as of June 2026. Researcher conducts deep research using web sources and your Microsoft 365 data. Analyst connects to data sources and produces analysis and reports. Cowork is an integration that brings Anthropic's Claude model into Microsoft 365 Copilot, letting users access Claude's capabilities from inside the same interface. All three represent a shift from Copilot as a simple chat assistant toward Copilot as a platform for completing multi-step work tasks.
Does Microsoft 365 Copilot work without training?
Technically yes. Practically, not well. Most organizations that deploy Copilot without structured training see low adoption within 90 days. People open it, try a few prompts, get mediocre results because they don't know how to prompt well, and go back to how they were working before. The tool itself is not the barrier. Knowing how to use it is. This is consistent across industries and organization sizes. Structured training is what makes the difference between a license that gets used and one that doesn't.
Is Microsoft 365 Copilot secure for enterprise use?
Microsoft 365 Copilot inherits the security and compliance settings of your Microsoft 365 environment. It respects existing permissions: if a user cannot access a document, Copilot cannot access it on that user's behalf. Data does not leave your Microsoft 365 tenant to train the underlying models. That said, Copilot does make it easier for users to surface content they already have access to, which can expose poorly configured permissions. Setting up Copilot correctly (permissions audit, sensitivity labels, data governance) is part of responsible deployment, not an afterthought.
Ready to actually use it?
I help organizations put Microsoft 365 Copilot to work: training, rollout planning, and ongoing support. I've done this across just about every industry category, with organizations from mid-sized to enormous, dozens of sessions in English over Zoom. An intro call is 30-45 minutes. No pitch deck. We figure out if there's a fit.