Skip to main content
Favicon of Microsoft Copilot

Microsoft Copilot

Microsoft Copilot is Microsoft’s AI assistant across Word, Excel, Outlook, Teams, Edge, Windows, and Microsoft 365.

Reviewed by Mathijs Bronsdijk · Updated Apr 18, 2026

ToolFree + Paid PlansUpdated 25 days ago
API AvailableFree Tier · From $30/user/moSDK: Python, JavaScript100+ IntegrationsGDPR, HIPAACloud15 million Users
15 million seats licensed in 2 yearsOnly 8% user preference over alternativesSupports 45 languages for promptsIntegrates with 100+ external data sourcesUses GPT-5 for advanced reasoning tasksAvailable on Windows, macOS, iOS, AndroidOffers free tier with limited featuresCustom agents can be built with Copilot Studio
Screenshot of Microsoft Copilot website

What is Microsoft Copilot?

Microsoft Copilot is Microsoft's AI assistant family, built to sit inside the products many office workers already use every day, including Word, Excel, PowerPoint, Outlook, Teams, Edge, Windows, and the broader Microsoft 365 stack. In practice, Copilot is not one single app. It is a mix of a free consumer chatbot at copilot.microsoft.com, paid Copilot features inside Microsoft 365 subscriptions, and enterprise versions that can pull from company email, meetings, files, and calendars through Microsoft Graph and what Microsoft calls Work IQ.

Microsoft's pitch is simple: instead of asking people to leave their workflow and visit a separate AI tool, bring the assistant directly into the documents, inboxes, and meetings where work already happens. That is the real story behind Copilot. Its most important feature is not raw model quality. It is context. In the enterprise version, Copilot can summarize a Teams meeting you missed, pull action items out of an email thread, draft a Word document using files you already have access to, and answer questions grounded in your organization's Microsoft 365 data.

We researched Copilot as both a product and a business bet from Microsoft, and the picture is mixed. Microsoft says Copilot is used across much of the Fortune 500, and large deployments like PwC's 200,000-seat rollout show real enterprise traction. At the same time, outside research paints a tougher adoption story. After two years, Microsoft had disclosed roughly 15 million Microsoft 365 Copilot seats across a 450 million commercial Microsoft 365 base, about 3.3% penetration, and one large survey found only 8% of users still preferred Copilot after trying alternatives like ChatGPT and Gemini. So Copilot is best understood as a deeply integrated Microsoft productivity layer, not the market's default favorite AI assistant.

Key Features

  • Microsoft 365 app integration: Copilot works inside Word, Excel, PowerPoint, Outlook, Teams, and OneNote, rather than asking users to switch tabs and copy-paste content between tools. For teams already living in Microsoft 365, this matters more than it sounds, because the useful moment is often a small one, like summarizing a 40-message email thread or turning meeting notes into a draft deck.

  • Work IQ and Microsoft Graph grounding: In enterprise setups, Copilot can use company context from emails, calendars, documents, meetings, contacts, and chats that a user already has permission to access. This is Microsoft's main differentiator versus standalone chatbots, because answers can reference real internal work instead of only web results or model memory.

  • Connector ecosystem with 100+ integrations: Microsoft offers more than 100 prebuilt connectors for systems like Salesforce, ServiceNow, Google Drive, Box, Dropbox, Workday, Zendesk, Jira, SQL, and Oracle. For companies with information scattered across many systems, this can turn Copilot into more of a cross-system search and reasoning layer, though setup and governance still matter.

  • Agents and Copilot Studio: Organizations can build specialized agents that answer questions, automate workflows, and work across systems. Microsoft has pushed hard on making this easier for non-technical users, including natural-language agent creation, while still supporting more advanced custom agents through Copilot Studio and metered usage.

  • Meeting and email summarization: In Teams, Copilot can recap meetings, decisions, and action items, including for people who joined late. In Outlook, it can summarize long threads and point back to where key details came from, which is one of the clearest day-to-day time savers we found in the research.

  • Image generation and multimodal features: The free Copilot includes DALL-E 3 image generation with 15 daily boosts, plus voice interactions. Newer features like Copilot Vision let the system analyze what is on a user's screen or camera feed, though Vision is still limited and not available for commercial signed-in users.

  • Language support: Microsoft 365 Copilot supports 45 languages for prompts and responses. That is broad enough for many global companies, but not universal, and some teams will still run into gaps between Microsoft 365 UI language availability and Copilot language support.

  • Collaboration tools like Pages and Notebooks: Copilot Pages lets teams turn AI outputs into editable shared documents, while Notebooks gives users a persistent space to organize source material and iterate on AI-generated content. These features matter because normal chatbot outputs often disappear into chat history and never become team assets.

  • Enterprise compliance controls: Microsoft states that prompts, responses, and Microsoft Graph-grounded data in Microsoft 365 Copilot are not used to train foundation models, and the service supports GDPR, EU Data Boundary commitments, and other enterprise compliance requirements. For regulated industries, this is one of the strongest reasons to consider Copilot over public consumer AI tools.

Use Cases

One of the clearest real-world stories is PwC, which publicly deployed 200,000 Copilot seats. That scale matters because it shows where Copilot fits best: very large organizations that already run on Microsoft 365 and want AI inside existing workflows rather than as a separate destination. In environments like that, Copilot is less about one breakthrough use case and more about shaving time off thousands of repetitive tasks, inbox triage, meeting follow-up, document drafting, and internal search.

In healthcare, Microsoft has highlighted strong adoption of Dragon Copilot, a related Copilot offering for clinical work. The research showed usage scaling from 9.5 million patient encounters per quarter to 21 million over roughly a year, with more than 100,000 medical providers using it. That is a good example of where Microsoft's strategy works well: take domain-specific work, connect AI to the systems people already use, and reduce documentation time in a heavily regulated setting.

Across ordinary knowledge work, the most believable use cases are also the least flashy. Teams users ask Copilot to catch them up when they miss part of a meeting. Outlook users ask it to summarize long threads after vacation. Word users use it to draft first passes from existing files. These are not dramatic "AI transformation" stories, but they are the kinds of tasks that happen every week in large companies. Our research suggests Copilot is strongest when it helps people move faster through work that already lives in Microsoft 365, not when it is asked to outperform the best standalone AI tools on pure reasoning quality.

Strengths and Weaknesses

Strengths:

  • Copilot's biggest strength is that it meets users where they already work. A Teams recap or Outlook thread summary is easier to adopt than a separate chatbot workflow, and that convenience is why one survey found 70% of users initially preferred Copilot before trying alternatives.

  • Microsoft has real enterprise distribution and trust. Large companies already buy Microsoft, already run Exchange, Teams, SharePoint, and Entra ID, and often prefer one vendor with existing compliance contracts. For regulated teams, Microsoft's position on data handling, including that Microsoft 365 Copilot data is not used to train foundation models, is a meaningful advantage over public consumer tools.

  • The connector and agent story is broader than many people realize. With 100+ connectors and Copilot Studio, Microsoft is trying to turn Copilot into a work layer across many systems, not just a writing assistant inside Office.

  • Accessibility and platform reach are strong. Copilot is available across web, Windows, macOS, iOS, and Android, with voice support and deep Microsoft app integration. For organizations standardizing on one assistant, that breadth reduces friction.

Weaknesses:

  • The hardest truth in the research is that people often stop preferring Copilot once they have real alternatives. In the Recon Analytics survey of 150,000+ enterprise users, only 8% still preferred Copilot after trying ChatGPT and Gemini. That suggests the product wins on placement, not necessarily on quality.

  • Market share data tells a similar story. As of April 2026, ChatGPT held 60.2% of the generative AI chatbot market, Gemini 15.3%, and Copilot 12.8%. Copilot had also fallen from 18.8% in July 2025, which points to retention pressure, not just slower growth.

  • Security is not simple just because Microsoft says the product is enterprise-ready. Concentric AI found that 16% of business-critical data is overshared in a typical enterprise, roughly 802,000 files per organization at risk. Since Copilot respects existing permissions, it can amplify bad permission hygiene rather than fix it.

  • Some enterprise buyers have reacted cautiously. The U.S. House of Representatives reportedly banned congressional staff from using Copilot in March 2026 over data security concerns. That does not mean Copilot is unsafe by default, but it does show that highly sensitive environments still worry about where data can surface.

  • Copilot's value drops quickly outside the Microsoft ecosystem. If your company runs primarily on Google Workspace, Slack, Notion, or custom internal tools, Microsoft's key advantage, access to Microsoft Graph context, matters much less.

Pricing

  • Free Microsoft Copilot: $0 Includes chat, web-grounded answers, voice, and 15 daily image generation boosts. This is enough for casual use, but it does not include the enterprise context that makes Copilot distinct.

  • Microsoft 365 Personal: $99.99/year Adds Copilot features inside Microsoft 365 apps for individual users. In reality, most people buying this tier are also buying Office apps and storage, not just AI.

  • Microsoft 365 Family: $129.99/year Covers up to six people. Good value for households already in Microsoft's ecosystem, though the AI experience still differs from the enterprise Copilot story people usually hear about.

  • Microsoft 365 Premium: $199.99/year Higher AI usage limits and access to more advanced AI features and agents. This is Microsoft's more serious consumer prosumer tier.

  • Microsoft 365 Copilot for business: $30/user/month This is the important enterprise price point. It unlocks the deeper Microsoft 365 integration, Work IQ grounding, prebuilt agents, and admin analytics. For a 1,000-person company, that is about $360,000 per year before add-ons or implementation work.

  • Copilot Studio: $200/month Standalone pricing for building agents, with a free trial available. Useful for teams experimenting with custom workflows, though advanced agents can also introduce metered usage charges.

The practical pricing story is that Copilot can feel inexpensive for an individual and expensive very quickly at company scale. The hidden cost is not just licensing. It is governance work, connector setup, training, and permission cleanup. Compared with ChatGPT or Claude, Copilot often costs more because it is tied to a larger Microsoft stack and enterprise rollout effort, though for companies already standardized on Microsoft, that integration may justify the spend.

Alternatives

ChatGPT is the clearest alternative, and in our research it is also the one Copilot struggled with most. ChatGPT leads the market with 60.2% share, and users often prefer it for model quality, reasoning, and general usefulness. If your team wants the best all-purpose AI assistant and does not need deep Microsoft Graph context, ChatGPT is usually the first product to compare against Copilot.

Google Gemini is the strongest choice for Google Workspace organizations. It has 15.3% market share and keeps improving its integration with Docs, Gmail, Meet, and Sheets. Companies living in Google's ecosystem will often find Gemini a more natural fit than Copilot, for the same reason Microsoft shops find Copilot attractive.

Claude serves a slightly different buyer. Anthropic's product is often chosen by teams that care about long context windows, careful writing, and lower hallucination rates in judgment-heavy work. Claude Enterprise is especially appealing for research, policy, legal, and analysis use cases where reading huge document sets matters more than Office integration.

Salesforce Einstein is a better fit for teams whose center of gravity is CRM rather than productivity software. If sales, service, and customer workflows all live inside Salesforce, Einstein can feel more relevant than Copilot because it starts from customer records and business processes rather than email and documents.

Workday AI, SAP AI, and other vertical assistants can beat Copilot in narrow domains. HR teams in Workday or finance teams in SAP may prefer tools built directly into those systems. Copilot is broader, but that breadth can come at the cost of depth in specialized workflows.

FAQ

What is Microsoft Copilot used for?

Mostly for writing, summarizing, searching, and answering questions inside Microsoft's products. In business settings, people use it heavily for email, meetings, documents, and internal knowledge lookup.

Is Microsoft Copilot the same as Microsoft 365 Copilot?

No. The free Copilot is a general AI assistant. Microsoft 365 Copilot is the paid business version that can work with organizational data in Microsoft 365.

How do I get started?

The easiest way is to try the free version at copilot.microsoft.com. If you want the real enterprise experience, you need a Microsoft 365 environment and the paid Copilot license.

How long does it take to set up?

For an individual, a few minutes. For a company, setup can take days to months depending on licensing, security review, connector setup, and permission cleanup.

Does Copilot use my company data to train AI models?

Microsoft says prompts, responses, and Microsoft Graph-grounded data in Microsoft 365 Copilot are not used to train foundation models. That is one of its biggest enterprise selling points.

Is Microsoft Copilot secure?

It can be secure, but only if your Microsoft 365 permissions are already in good shape. Copilot follows existing access controls, so overshared files and messy permissions can become a bigger problem after rollout.

What apps does Copilot work with?

It works across Word, Excel, PowerPoint, Outlook, Teams, OneNote, Edge, Windows, and the web version of Copilot. Availability varies by license and region.

How many languages does Microsoft 365 Copilot support?

Microsoft says it supports 45 languages for prompts and responses. That covers many global teams, but not every language Microsoft 365 supports overall.

Can I build custom agents with Copilot?

Yes. Microsoft offers Copilot Studio and agent features for building custom assistants and workflow automations. Some simple agent scenarios are included, while more advanced usage can be metered.

Is Copilot better than ChatGPT?

It depends on what you need. Copilot is usually better when your work is deeply tied to Microsoft 365 data. ChatGPT is often preferred for general model quality and broader user satisfaction.

Does Copilot work outside Microsoft tools?

To a degree, yes, through connectors to systems like Salesforce, ServiceNow, Box, Jira, Workday, and others. But its strongest capabilities still come from being embedded in Microsoft's own ecosystem.

Who should use Microsoft Copilot?

Teams already committed to Microsoft 365, especially large organizations with heavy Outlook, Teams, and SharePoint usage. If you are not already in that ecosystem, alternatives often make more sense.

Share:

Similar to Microsoft Copilot

Favicon

 

  
  
Favicon

 

  
  
Favicon