Microsoft Copilot

Microsoft Copilot is Microsoft’s AI companion, and its defining advantage is reach: it is woven into the software hundreds of millions of people already use every day. It lives in Windows, in the Edge browser, in Bing, on the web and mobile, and, most importantly, inside the Microsoft 365 apps where the world does its work: Word, Excel, PowerPoint, Outlook, and Teams. You do not have to go to Copilot; it is already where you are.

That ubiquity is the whole pitch. Other assistants are destinations you visit in a separate tab. Copilot is an assistant that sits inside the document you are writing, the spreadsheet you are analyzing, the inbox you are clearing, and the meeting you are in, and, in its business form, one that can draw on your organization’s own files, emails, and chats to answer questions grounded in your actual work.

This guide explains everything that matters about Microsoft Copilot in 2026: the confusingly named family of Copilot products and who each is for, the features across the Office apps and Windows, what powers it under the hood, the 2026 pricing shake-up (including the retirement of Copilot Pro), and how it compares to ChatGPT and Gemini. By the end you will know which Copilot, if any, is right for you.

What Is Microsoft Copilot?

Microsoft Copilot is a family of AI assistants built by Microsoft and powered largely by OpenAI’s models. At its simplest it is a free chatbot you can open in Windows, Edge, or the web to ask questions, write, brainstorm, and generate images. At its most powerful it is Microsoft 365 Copilot, a paid, enterprise-grade assistant embedded across the Office apps that can reason over your company’s own data.

The key idea that separates Copilot from a standalone chatbot is grounding in your work context. In the business tiers, Copilot connects to the Microsoft Graph (the web of your organization’s documents, emails, calendars, meetings, and chats) so its answers are not generic; they are about your projects, your customers, and your files. That blend of a capable general model with deep access to enterprise context is Microsoft’s central bet.

The Copilot Family: Who Each Is For

Microsoft’s biggest usability problem is naming: "Copilot" refers to several different products. Here is how they break down in 2026.

A note on the transition: Microsoft retired the old Copilot Pro consumer plan and folded its capabilities into Microsoft 365 Premium. Existing Copilot Pro subscribers can keep using it until support ends on August 1, 2026, after which Microsoft 365 Premium is the path for individuals who want Copilot inside Word, Excel, and the rest.

Core Features

1. Copilot Across the Office Apps

The heart of paid Copilot is its integration into Microsoft 365. In Word it drafts, rewrites, and summarizes documents. In Excel it analyzes data, spots trends, and builds formulas and charts from plain-language requests. In PowerPoint it turns a document or a prompt into a full slide deck. In Outlook it triages your inbox, summarizes long threads, and drafts replies. In Teams it takes meeting notes, surfaces action items, and catches you up on conversations you missed. The value is that the AI is right there in the task, not in a separate window.

2. Microsoft 365 Chat: Grounded in Your Work

Microsoft 365 Chat is the cross-app assistant that reasons over everything in your organization. Ask it to "summarize where the Q3 launch stands," and it pulls from the relevant documents, emails, meetings, and chats to answer, citing the sources. This grounding in your real work data is the single biggest differentiator from a general chatbot, turning Copilot from a clever writer into a genuine knowledge assistant for your job.

3. Work IQ and Copilot Memory

In 2026 Microsoft added Work IQ, a layer that connects the context, workflows, and relationships across your Microsoft 365 content to deliver more personalized, situation-aware help. Alongside it, Copilot Memory lets the assistant learn your style, habits, and preferences over time, so its drafts and answers increasingly sound like you and fit how you work.

4. Copilot Vision and Voice

Copilot can see and talk. Copilot Vision lets it look at what is on your screen or a shared image and help with it in context, while voice mode allows natural spoken conversation. Together they make Copilot a more ambient, hands-free assistant rather than something you only type at.

5. Copilot in Windows and Edge

On Windows, Copilot is built into the operating system as a system-wide assistant, and in the Edge browser it can summarize pages, compare information across tabs, and help with whatever you are reading. For the millions already on Windows and Edge, this is AI assistance with zero setup: it is simply part of the platform.

6. Agents and Copilot Studio

Beyond chat, Microsoft is pushing hard into agents: AI workers that carry out multi-step tasks autonomously. Copilot Studio lets organizations build custom agents grounded in their own data and connected to their systems, and Microsoft 365 Copilot licenses include access to build and use internal agents. This agent layer is where Microsoft sees the next phase of workplace AI heading.

What Powers Copilot

Copilot is built primarily on OpenAI’s frontier models (the same lineage behind ChatGPT) combined with Microsoft’s own orchestration and, increasingly, a mix of models. What you are really paying for in the business tiers is not just the model but the secure plumbing that connects it to your organization’s data with enterprise-grade permissions, compliance, and security inherited from Microsoft 365. For image generation, Copilot also leans on the same technology behind Microsoft Designer.

Pricing in 2026

Copilot pricing changed meaningfully in 2026. The figures below are approximate; confirm current rates with Microsoft before buying, as business pricing in particular has scheduled changes.

The practical reading: the free Copilot is genuinely useful for everyday chat and is available to everyone, the consumer Microsoft 365 Premium plan is the upgrade for individuals who want AI inside their Office apps, and the business tiers are where Copilot becomes a data-grounded work assistant, at a per-seat cost that organizations weigh against the productivity it returns.

How Copilot Compares to ChatGPT and Gemini

Copilot competes with ChatGPT, Gemini, and Claude, but its angle is integration rather than being the single smartest model.

The decision usually comes down to which ecosystem you already live in. If your work runs on Word, Excel, Outlook, and Teams, Copilot’s in-context, data-grounded help is hard to replicate with an external chatbot. If you are platform-agnostic and want the most capable standalone assistant, ChatGPT or Claude may suit you better.

Real-World Use Cases

For Office Workers

Knowledge workers use Copilot to draft and polish documents in Word, build and interpret spreadsheets in Excel, generate decks in PowerPoint, clear their inbox in Outlook, and catch up on missed meetings in Teams, collapsing routine document and communication work that used to eat hours.

For Enterprises

Organizations deploy Microsoft 365 Copilot to give every employee an assistant grounded in company knowledge, and Copilot Studio to build custom agents that automate internal workflows, all within the security and compliance perimeter they already trust Microsoft 365 to enforce.

For Everyday Users

Even without a subscription, anyone on Windows or Edge can use the free Copilot for quick questions, writing help, summarizing web pages, and generating images, a capable general assistant that is already built into the device in their hands.

Limitations to Keep in Mind

Final Verdict

Microsoft Copilot’s strength is not that it is the single smartest AI. It is that it is already everywhere your work happens. By embedding capable AI into Windows, Edge, and the Office apps, and grounding the business versions in your organization’s own data, Microsoft has built the assistant with the least friction for the hundreds of millions of people who live inside its software. For Microsoft 365 users, that in-context help is genuinely transformative.

The catches are a bewildering product lineup and pricing that rewards those already committed to the ecosystem. But if your day runs on Microsoft apps, Microsoft Copilot is the assistant that meets you where you already are, and the free version is worth using right now. Building out your toolkit? Browse more free AI tools to pair alongside it.