CASUS
CASUS
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Pricing

Legal AI in Outlook

for every email.

Answer client emails, sharpen your drafts and check correspondence against the Dossier without leaving Outlook. CASUS reads the email and its attachments. What gets sent is up to you.

Never sends on its own

Works with your Dossiers

§ 1 - PREAMBLE

Client emails

Client emails

Client emails

in a chat window

in a chat window

in a chat window

answered right in Outlook.

answered right in Outlook.

answered right in Outlook.

CASUS reads the email and its attachments and drafts. What gets sent is up to you.

§ 2 - WORKFLOW

From the open email

From the open email

From the open email

to your reply.

to your reply.

to your reply.

§ 3 - USE CASES

How teams use it

How teams use it

How teams use it

in their daily work.

in their daily work.

in their daily work.

Law firm

A client asks about a contract.

CASUS reads the email and the attached contract and drafts the reply with its sources. You check it and send it from Outlook.

In-house team

A supplier refers to an agreement.

Pick the matter’s Dossier. CASUS checks the email against your files and names the document that contradicts it.

Before it goes out

Your own draft, almost done.

Ask CASUS to tighten it. You apply the suggestions one by one, and signature and quoted thread stay untouched.

§ 4 - SETUP AND SECURITY

Reads your email,

never sends it.

Runs in

Outlook’s side pane

Attachments

PDFs, Word documents and attached emails (.eml, .msg)

Sending

Never automatic. Replies open in Outlook’s reply window

Mailbox

Read-only access if you connect it

Dossiers

The same as in Word and on the web, only read

In the same pane

Legal Research and your prompt library

Hosting

Switzerland and the EU

AI models

Zero Data Retention, no training on your data

§ 5 - EXECUTION

Your best legal documents.

Ever.

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

Authorised signatory

CASUS · 2026

§ 5 - EXECUTION

Your best legal documents.

Ever.

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

Authorised signatory

CASUS · 2026

§ 5 - EXECUTION

Your best legal documents.

Ever.

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

Authorised signatory

CASUS · 2026

§ 6 - FAQ

Annex A

Questions about

Outlook Add-in.

Evaluating CASUS for your firm?

CASUS answers questions about the open email and its attachments, drafts replies, improves your own drafts passage by passage and checks emails against a Dossier. Legal Research and your prompt library are in the same pane.

No. CASUS only drafts. A reply opens in Outlook’s reply window, and you decide whether and when to send it. If you connect your mailbox, access is read-only.

PDFs, Word documents and attached emails (.eml and .msg). CASUS reads them automatically with your first question. Inline images and cloud links are skipped.

Yes. Pick a Dossier in the pane and CASUS checks the email against its files, for example for contradictions. The Dossier is only read; files go in only when you add them.

Yes. “Open in CASUS” opens the same chat in the CASUS web app. It appears in your history, and you keep working with every tool.

Book a demo. We’ll show you the Outlook Add-in with an example from your practice and plan the rollout for your team together.

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.

CASUS answers questions about the open email and its attachments, drafts replies, improves your own drafts passage by passage and checks emails against a Dossier. Legal Research and your prompt library are in the same pane.

No. CASUS only drafts. A reply opens in Outlook’s reply window, and you decide whether and when to send it. If you connect your mailbox, access is read-only.

PDFs, Word documents and attached emails (.eml and .msg). CASUS reads them automatically with your first question. Inline images and cloud links are skipped.

Yes. Pick a Dossier in the pane and CASUS checks the email against its files, for example for contradictions. The Dossier is only read; files go in only when you add them.

Yes. “Open in CASUS” opens the same chat in the CASUS web app. It appears in your history, and you keep working with every tool.

Book a demo. We’ll show you the Outlook Add-in with an example from your practice and plan the rollout for your team together.

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.

CASUS answers questions about the open email and its attachments, drafts replies, improves your own drafts passage by passage and checks emails against a Dossier. Legal Research and your prompt library are in the same pane.

No. CASUS only drafts. A reply opens in Outlook’s reply window, and you decide whether and when to send it. If you connect your mailbox, access is read-only.

PDFs, Word documents and attached emails (.eml and .msg). CASUS reads them automatically with your first question. Inline images and cloud links are skipped.

Yes. Pick a Dossier in the pane and CASUS checks the email against its files, for example for contradictions. The Dossier is only read; files go in only when you add them.

Yes. “Open in CASUS” opens the same chat in the CASUS web app. It appears in your history, and you keep working with every tool.

Book a demo. We’ll show you the Outlook Add-in with an example from your practice and plan the rollout for your team together.

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.