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Microsoft Legal Agent

A tiernew this week

A Word-native AI agent that does the clause-by-clause contract grunt work so lawyers can focus on actual lawyering.

Open Microsoft Legal Agent →Compare with alternatives

Kai's verdict

Microsoft finally stopped pretending Copilot was good enough for legal work and shipped something purpose-built — the Word-native redlining and playbook review are genuinely differentiating, but the Frontier/Copilot license gate means most lawyers won't touch it yet. (Verdict pending Phi's full review.)

Strengths

  • Built directly into Word — zero context-switching, no copy-pasting into a chatbot
  • Purpose-built redlining engine that understands Word's document structure (tracked changes, formatting, tables), not just raw text
  • Playbook-driven contract review: flags non-conforming provisions against your firm's own standards
  • Deterministic edit-insertion algorithm reduces hallucination risk compared to raw LLM generation
  • Runs within existing Microsoft 365 security and compliance controls — a real selling point for cautious legal teams

Weaknesses

  • Currently US-only, Windows desktop only, and gated behind the Frontier early-access program — far from broadly available
  • Requires a Microsoft 365 Copilot enterprise license, so solo practitioners or small firms are priced out
  • Still a preview; no general availability date announced and capabilities are subject to change

Best for

In-house legal teams and law firms already deep in the Microsoft 365 ecosystem who spend their days redlining and negotiating contracts in Word.

Pricing

Included with Microsoft 365 Copilot (enterprise license required)

Requires an active Microsoft 365 Copilot license plus Frontier early-access program enrollment. No separate purchase currently; broader pricing TBD at general availability.

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