Microsoft launches Copilot Cowork in Microsoft 365 to automate multi-step work

Microsoft has launched Copilot Cowork, a new Microsoft 365 Copilot feature that turns natural-language requests into multi-step task execution across Microsoft 365 apps. Instead of only answering questions or drafting content, Cowork can build a plan, carry out work over time, and bring users back in for approvals at key moments. Microsoft says the feature is available now through its Frontier early access program.

The company positions Cowork as a shift from AI assistance to AI execution. Microsoft says users can delegate meaningful work, track progress as it unfolds, and stay in control while Cowork handles the steps in the background. The feature uses Work IQ, which Microsoft describes as a layer that grounds Copilot in real work context across Microsoft 365.

Microsoft also says Cowork is part of Wave 3 of Microsoft 365 Copilot, alongside a broader multi-model strategy. In a separate announcement, the company said it worked with Anthropic to bring the technology behind Claude Cowork into Microsoft 365 Copilot, while keeping Copilot model-diverse by design.

What Copilot Cowork does

Microsoft says Cowork takes an intended outcome and turns it into an actionable workflow. It then executes that workflow over time, checks in when it needs approval or clarification, and keeps all work inside the Microsoft 365 environment.

At launch, Microsoft highlighted four main use cases:

• Calendar optimization by reviewing schedules, finding conflicts, and suggesting or applying changes after approval
• Meeting preparation by assembling emails, past meetings, and files into a briefing pack
• Company research by gathering filings, commentary, and news into summaries with citations
• Product launch planning by creating comparisons, documents, pitch materials, and milestone tracking artifacts

How Copilot Cowork works

According to Microsoft, the workflow follows a simple pattern. A user starts with a request in natural language. Cowork builds a structured plan, runs the steps, and pauses at important checkpoints so the user can review or approve the next action. Microsoft says this approach lets the tool work more autonomously without taking control away from the employee.

Microsoft also says Cowork can draw context from apps such as Outlook, Teams, Excel, Word, PowerPoint, and Copilot Chat, using Work IQ to reason across the user’s broader work environment rather than a single file or prompt.

Copilot Cowork at a glance

Security and compliance position

Microsoft says Cowork runs inside a protected sandboxed cloud environment and inherits Microsoft 365 identity, permission, and compliance controls by default. The company also says actions and outputs remain auditable, which matters for enterprise customers that need governance over AI-driven work.

That fits Microsoft’s broader push to make Microsoft 365 Copilot more enterprise-ready. In the same set of announcements, Microsoft also highlighted Agent 365 and the new Microsoft 365 E7 Frontier Suite, both aimed at giving organizations more control and governance as AI agents move deeper into daily workflows.

Why this launch matters

This launch shows Microsoft pushing Copilot into a more active role inside Microsoft 365. The earlier wave of Copilot features focused on summarizing, drafting, and answering. Cowork moves further into execution, where AI handles planning, coordination, and follow-through across several apps.

It also shows Microsoft leaning harder into a multi-model Copilot strategy. The company says Copilot is not tied to one model family and will choose the best model for the job. That gives Microsoft a new way to differentiate Microsoft 365 Copilot from enterprise AI products built around a single foundation model.

Key takeaways

• Microsoft has officially launched Copilot Cowork inside Microsoft 365 Copilot.
• The feature focuses on multi-step task execution, not just chat responses.
• Microsoft says Cowork uses Work IQ to ground actions in real work context.
• The feature is currently available through the Frontier early access program.
• Microsoft says Anthropic technology helps power the new experience as part of Copilot’s broader multi-model architecture.

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