Microsoft Copilot Cowork is here — how to actually use it at work

Picture this: you type "clean up this spreadsheet, pull the numbers into a report, and draft the update email to my team" — and then you walk away and get coffee. Ten minutes later, it's done. Not a draft. Not a suggestion. Done.

That's the pitch behind Microsoft Copilot Cowork, and it's a genuinely different way of working than the Copilot most office workers are used to. For years, Copilot has been a very capable assistant that answers questions, summarizes documents, and drafts things you then have to finish yourself. Cowork flips that relationship. Instead of asking Copilot how to do something, you hand it the outcome you want and let it go figure out the steps.

This guide walks through what Copilot Cowork actually does, how it connects to Microsoft's broader Agent 365 push, what it costs, and how to set it up across Word, Excel, and Teams — with real examples you can try today.

What is Microsoft Copilot Cowork?

Copilot Cowork executes complex, long-running, multi-tool tasks — you define the work and Cowork runs it end-to-end and returns a completed result, not just a draft or a recommendation. That distinction matters. A regular Copilot prompt gives you an artifact you still have to finish, format, and send. Cowork is designed to close the loop itself.

Copilot Cowork brings long-running, multi-step work into Microsoft 365 Copilot, moving beyond prompts and responses toward execution that unfolds over time, and with Work IQ, it has the full context of your work, not just fragments of data, so it can reason over all relevant materials. Work IQ is the piece that lets Cowork actually understand your job — it's what allows the agent to read your inbox, your Teams messages, your files, and your calendar to figure out what "finish the Q3 report" actually means for you specifically.

Instead of asking Copilot to generate a single artifact, Cowork allows you to delegate meaningful work and stay in the loop as that work progresses — Copilot can break down complex requests into steps, reason across tools and files, and carry work forward with visible progress and opportunities to steer. Tasks are no longer confined to a single turn or a single app, and they can run for minutes or hours, coordinating actions and producing real outputs along the way.

Under the hood, Microsoft didn't build this agentic reasoning engine entirely alone. By combining Anthropic's agentic model for multi-step tasks with Microsoft 365, Cowork delivers a managed, enterprise-grade experience that pairs powerful reasoning with the controls enterprises expect. That's a notable partnership — Microsoft licensing the same underlying agentic tech that powers Anthropic's own Claude Cowork, then wrapping it in Microsoft 365 permissions, compliance, and audit logging.

Cowork officially launched out of preview this year. Microsoft said Copilot Cowork is now generally available worldwide after three months in the company's Frontier preview program. Adoption during that preview window was fast — more than half of the Fortune 500 used Cowork during the preview, along with customers including Accenture, Avanade, Capital Group, Koch, Ooredoo Qatar and Zurich Insurance.

How does Cowork fit into Microsoft Agent 365?

If Cowork is the "doer," Agent 365 is the "watcher." They're related but not the same product, and it's worth understanding the difference so you don't confuse the two in planning conversations.

Microsoft Agent 365 is the enterprise control plane for governing, securing, and observing AI agents, unveiled at Microsoft Ignite in November 2025 and generally available as of May 1, 2026 — it gives IT administrators, security teams, and business leaders a single place to see every agent in their environment: what it does, what it can access, who owns it, and whether it is behaving within defined boundaries.

Agent 365 doesn't perform tasks itself. The product does not write agents and does not run them — the job is to track them, hold them accountable, and apply the same identity, access, and data protection enforced for human users. So when Cowork drafts an email or edits a spreadsheet, it's Agent 365 that gives IT visibility into what that agent identity just did, what data it touched, and whether it stayed inside policy.

This governance layer exists because agent sprawl is a real problem now, not a hypothetical one. In just two months of preview operation, tens of millions of agents appeared in the Agent 365 Registry — a number that reflects the scale of agent proliferation already underway across enterprise Microsoft 365 environments, not projected adoption, but agents already active.

For most individual users, none of this changes how you use Cowork day to day. But if you're an IT admin rolling this out, know that Agent 365 (sold standalone or bundled into the new Microsoft 365 E7 tier) is the dashboard you'll want for oversight, while Cowork is what employees actually interact with.

How much does Copilot Cowork cost?

This is where a lot of the confusion is happening right now, so let's be precise about it.

No new license is required, but you do need an existing Microsoft 365 Copilot license (around $30 per user per month at retail) to access Cowork at all — that license gets you into the interface. What changed at general availability is billing for the actual work Cowork performs. Your Microsoft 365 Copilot license still covers the core Copilot experiences, but Cowork tasks now consume Copilot Credits on top of that.

A Copilot Credit costs $0.01 under pay-as-you-go pricing, and the credit cost of any given task is determined by the model it uses, how much organizational context it retrieves, how many tools it calls, and how long it runs. In plain terms: a quick two-minute task costs pennies, while a complex, multi-hour project that touches dozens of files and tools will rack up more credits. Microsoft groups this into rough complexity tiers so admins can budget accordingly.

If your organization used Cowork for free during the Frontier preview, pay attention to the transition timeline. If your organization used Cowork during Microsoft's Frontier preview program, you have a grace period, but it ends on a hard cutoff — after that, any tenant without usage-based billing configured loses access to Cowork completely. Admins need to go into the Microsoft 365 admin center and turn on usage-based billing before that deadline, or Cowork simply stops working for the whole tenant.

One more model-choice detail worth knowing: Cowork runs on Anthropic's Opus and Sonnet models at general availability, with a Microsoft-built cost-optimized model coming soon, and GPT models available to Frontier customers. That model picker matters for cost control — heavier reasoning models cost more credits per task than the lighter, faster ones.

How do you set up and use Cowork in Word, Excel, and Teams?

Getting started is simpler than the pricing structure makes it sound. Here's the actual setup flow, based on Microsoft's official Copilot Cowork documentation:

Before you start, confirm three things: You need an active Microsoft 365 Copilot license assigned to your account, a modern browser (Microsoft Edge or Google Chrome recommended), Cowork enabled in your Microsoft Copilot environment, and usage-based and Cowork billing enabled for your tenant.

Then, to run your first task:

1. Open Microsoft Copilot. Open Microsoft Copilot and select Cowork in the top toggle next to Chat.
2. Describe the outcome, not the steps. Describe what you need — draft an email, build a spreadsheet, schedule a meeting, build an app — and Cowork handles it. This is the biggest mental shift for new users: don't micromanage the process, describe the destination.
3. Add files for context if needed. You can attach spreadsheets, documents, or PDFs directly to give Cowork something concrete to work from.
4. Pick your model and effort level (optional). You can select the model that works best for your task or let Cowork decide, and set the reasoning effort level to control how Cowork balances quality, speed, and cost.
5. Watch it work. Skill messages show when Cowork loads a skill it needs, such as preparing to compose emails or create Word documents, tool steps show exactly what Cowork is doing at each stage, and the response streams in real time so you can follow along as Cowork builds your result.
6. Approve sensitive actions. Before Cowork takes an action on your behalf — like sending an email, posting a Teams message, or scheduling a meeting — it asks for your permission, and the approval dialog shows a preview of what Cowork plans to do.

That approval step is worth calling out because it's the safety net that makes delegating to an AI agent feel less risky. Cowork doesn't just fire off emails on its own; it pauses and shows you exactly what it's about to send.

For admins, Microsoft's Copilot Cowork FAQ and the Cowork overview page cover plugin support, file handling, and scheduled or event-driven tasks in more depth.

What can Cowork actually do across Word, Excel, and Teams?

The official capability list is broader than most people expect. Cowork can draft and send emails, post updates in Teams channels or send direct messages, create and send HTML newsletters, manage your inbox by sorting emails into folders and responding inline, prepare polished stakeholder communications, create Word documents, Excel spreadsheets, PowerPoint presentations, and PDFs from scratch, edit existing documents you share in the session, browse your entire Work IQ to pull in the content you need, create and reorganize SharePoint and OneDrive folders, and schedule meetings using natural language.

Here's what that looks like in practice for three common office scenarios:

Spreadsheet cleanup. Instead of manually fixing formatting, dedupe entries, and reconcile mismatched columns across a messy Excel export, you describe the end state — "clean this up, standardize the date formats, and flag any rows with missing customer IDs" — and Cowork works through it, similar to how one engineering team taught Cowork how to safely edit batch-job spreadsheets and generate dependency flow charts after every change, automating work that previously required careful manual intervention.

Drafting reports. Rather than staring at a blank document, you point Cowork at your source materials and ask for a finished draft. This mirrors how one sales lead pointed Cowork at a stalled pipeline and got back a ranked list of at-risk opportunities with the exact follow-up that had gone cold on each, collapsing a week of manual review into a single morning.

Email triage. For inbox management, Cowork can sort, prioritize, and draft responses to routine messages, then hold anything sensitive for your approval before it sends — turning "clear out my inbox" from a 45-minute chore into a five-minute review-and-approve session.

How does Cowork compare to Claude Cowork and ChatGPT Work?

If you're evaluating agentic AI tools for your team, you've probably noticed the naming overlap isn't a coincidence — Microsoft explicitly built on Anthropic's underlying technology here. Microsoft has shared that it's bringing the technology platform that powers Claude Cowork into Microsoft 365 Copilot, with Copilot Cowork designed for long-running, multi-step work in Microsoft 365.

The short version: all three tools (Copilot Cowork, Claude Cowork, and ChatGPT's agentic "Work" features) are chasing the same goal — an AI that executes multi-step tasks instead of just chatting. Where they differ is ecosystem lock-in, pricing model, and how deeply each integrates with the apps you already use. Microsoft's advantage is native depth inside Word, Excel, Outlook, and Teams plus enterprise governance through Agent 365. If you want the full side-by-side breakdown of features, pricing, and use cases, check out our dedicated comparison in the chatgpt work vs claude cowork article.

Is Copilot Cowork worth it for your team?

If your organization already pays for Microsoft 365 Copilot licenses, Cowork is worth piloting with a small group before rolling it out wide — the credit-based billing means costs scale with usage, so a controlled test tells you real numbers before finance asks questions. Start with one repetitive, well-defined workflow (inbox triage, a recurring weekly report, a standard spreadsheet cleanup) rather than throwing it at your messiest, most ambiguous project first.

The bigger shift isn't technical, it's cultural. Treating an AI agent like a coworker you delegate to — rather than a search box you interrogate — takes a week or two of habit-building. But once that shift clicks, the time you get back on repetitive, multi-step busywork is hard to ignore.

The agents are already showing up in your organization whether you've officially rolled them out or not. The only real question left is whether you're the one deciding how they work, or finding out after the fact.