Microsoft 365 Copilot: Legal plugins in Word and Cowork

Microsoft 365 Copilot introduces legal plugins in Word and Cowork to help legal professionals summarize, draft, review, and redline documents using Microsoft 365 context and third-party sources. Rollout occurs from April to December 2026. Admins can enable or disable these plugins; no setup is required. Microsoft 365 Copilot is introducing legal plugins in Word and Cowork. These plugins provide purpose-built skills to help legal professionals summarize, draft, review, and redline legal documents. They can use work context from Microsoft 365 and connect to supported third-party legal sources, helping legal professionals complete legal work in the Microsoft 365 experiences they already use. Rollout schedule Public Preview (Worldwide): Rollout began in late April 2026 and is expected to complete by mid-December 2026 General Availability (Worldwide): We will begin rolling out in mid-October 2026 and expect to complete by mid-December 2026 Impact on your organization Who is affected Users with Microsoft 365 Copilot commercial licenses Platforms and services Microsoft 365 Copilot Word desktop Cowork What will happen Legal plugins in Copilot provide purpose-built skills to help legal professionals summarize, draft, review, and redline legal documents. The plugins can use work context from Microsoft 365 and connect to supported third-party legal sources. The legal capabilities include more than 20 purpose-built legal skills. In Word desktop, the legal plugin is enabled by default. When enabled, Copilot can use legal skills to complete legal tasks in Word. In Cowork, users must add the legal plugin before Copilot can use legal skills to complete legal tasks. The legal skills can help users review contracts against playbooks, draft contracts using templates and precedent agreements, compare contracts with precedents, templates, and policies, and explain tracked changes. The Legal Agent is being retired. Existing Legal Agent users will lose access to the product. Action required and recommendations No admin setup is required. If your organization plans to use the legal plugins: Ensure Microsoft 365 Copilot licenses are assigned to eligible users. Review internal legal workflows that may benefit from these capabilities. Communicate these capabilities to your legal teams. Update internal documentation or help desk guidance as appropriate. Instruct legal team […]

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