Spellbook review

Best AI review add-in native to Microsoft Word.

Verdict

Spellbook is the pick for Word-first lawyers because its GPT-based add-in drafts clauses, flags risks, and suggests redlines inside the document they already work in, with almost no setup.

What customers praise

Living in Word means near-zero learning curve, and it drafts, reviews, and benchmarks clauses where lawyers already write.

What customers criticise

It is a document-level assistant, not a repository or portfolio-analysis platform, so it lacks large-scale search and metadata.

Best for

Lawyers who want AI drafting, review, and redlining directly inside Microsoft Word without leaving their document.

At a glance

• Integrations: Microsoft Word, Microsoft 365
• Compliance: SOC 2, GDPR
• Regions served: Global
• Typical onboarding: 3 days

Red flags

Public risk signals as of July 2026: none. No material public risk signals as of 2026-07-11. See the full red-flag report.

Alternatives

See alternatives to Spellbook, or compare against the next-ranked entry: Spellbook vs Robin AI.

Source: Top 11 The 11 Best AI Contract Analysis Software (2026), verified July 11, 2026 — no paid placement.