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CASUS / WORD ADD-IN · 2026

DO NOT WRITE IN THIS MARGIN

Word Add-In

Legal AI in Word

for every document.

Review, revise and proofread contracts without leaving Microsoft Word. CASUS answers questions about the open document, flags risks and inserts every change as a tracked change.

Free 14-day trial

5-minute setup

§ 1 - CHAT

Fig. 01 · New clause inserted

Word Add-in

Ask for a clause,

get it in the right place.

Ask the chat about the open document or tell it what you need, for example a governing law clause. CASUS finds the right place, numbers the new clause correctly and inserts it as a tracked change.

(a)

Answers about the open document

(b)

Clauses placed and numbered

(c)

Inserted as a tracked change

§ 2 - RISK REVIEW

Risks flagged

where they are.

Risk Review reads the document section by section and lists risks by severity, from excluded liability to an unclear place of jurisdiction. Each finding is linked to its clause, so you jump straight to the passage.

(a)

Section-by-section review

(b)

Sorted by severity

(c)

Linked to the clause

Fig. 02 · Risks by severity

Word Add-in

§ 3 - BENCHMARK

Fig. 03 · Playbook match

Word Add-in

Your playbook,

applied in Word.

Benchmark compares the document with your playbook and shows how closely it matches. Missing provisions appear as gaps, and you insert the clause from your standard with one click.

(a)

Match score per playbook

(b)

Missing provisions flagged

(c)

Standard clause inserted

§ 4 - PROOFREAD

Consistent terms,

intact references.

Proofread checks defined terms, cross-references and numbering across the whole document. Every correction appears next to the text and is applied as a tracked change.

(a)

Defined terms

(b)

Cross-references and numbering

(c)

Corrections as tracked changes

Fig. 04 · Consistency check

Word Add-in

§ 5 - LEGAL RESEARCH

Fig. 05 · Answer with sources

Word Add-in

Legal questions answered

next to the clause.

Ask a legal question while you draft. CASUS searches statutes and court decisions from Switzerland, Germany, Austria, France, Italy and Spain and answers with the sources it relies on.

(a)

Statutes and court decisions

(b)

Six countries, from Switzerland to Spain

(c)

Every answer with sources

§ 6 - ACTIONS

Translate or anonymize

the whole document.

Actions work on the entire document at once. Translate a contract into another language, or replace names, companies and addresses with placeholders before you share it.

(a)

Translation into another language

(b)

Names and addresses anonymized

(c)

One click for the whole document

Fig. 06 · Translate and anonymize

Word Add-in

§ 7 - SETUP AND SECURITY

Fig. 07 · Zero Data Retention

Word Add-in

Installed in five minutes,

built for confidential matters.

The Add-in is listed in the Microsoft Store and runs in Word desktop and Word Online. Data stays in Switzerland and the EU, the AI models retain nothing, and nothing is used for training.

(a)

Listed in the Microsoft Store

(b)

Word desktop and Word Online

(c)

Zero Data Retention, no training

§ 8 - EXECUTION

Your best legal documents.

Ever.

Start with a free trial. No IT project. No long contract.

Authorised signatory

CASUS · 2026

§ 8 - EXECUTION

Your best legal documents.

Ever.

Start with a free trial. No IT project. No long contract.

Authorised signatory

CASUS · 2026

§ 8 - EXECUTION

Your best legal documents.

Ever.

Start with a free trial. No IT project. No long contract.

Authorised signatory

CASUS · 2026

§ 9 - FAQ

Annex A

Questions about

Word Add-in.

Evaluating CASUS for your firm?

The CASUS Word Add-in brings legal AI into Microsoft Word. It supports legal professionals with drafting, reviewing and editing documents without switching away from the document.

The Add-in is officially listed in the Microsoft Store. Install it, sign in and start working. Standard setup takes about five minutes; because it is an officially listed Add-in, IT and compliance approval is usually straightforward. Internal policies can still require additional approval.

Yes. You can use the CASUS Word Add-in in Word Online and in the Word desktop application, provided your Microsoft environment permits Add-ins.

Yes. Open the SharePoint document in Word Online or desktop Word and use the CASUS Word Add-in directly in that document.

CASUS can answer questions about the open document, draft and rewrite clauses, identify language and consistency issues, highlight risks and compare a document with your playbook or preferred standard. Suggested edits can be applied directly in Word.

CASUS keeps data in Switzerland and the EU, does not use customer data to train models and is designed for professional and attorney-client confidentiality requirements. The applicable security documentation contains the detailed processing information.

No. CASUS accelerates drafting, analysis and review, but its output can be incomplete or incorrect. Legal professionals remain responsible for checking the result and making the final judgment.