Product tour

Everything HeyOtto does for your inbox

From triage to teamwork. Every feature works from day one — and scales with your business.

Automatic triage

Every mail straight into the right category, with a confidence score per decision.

Drafts in your style

Replies prepared in four tones. You review and send — never automatically.

Categories & subcategories

Steer the AI in plain language. Configurable per company, with your own instructions.

Tasks from your email

Action points become tasks with the source message attached, synced with Microsoft To Do.

Daily briefing

One clear overview of what needs a reply, what's a task and what can wait.

Teams environment

Shared mailboxes as their own workspaces — with each team's own voice, categories and analytics.

Built-in CRM

HeyOtto gathers contacts and companies from your mail and links messages to projects.

Signatures

Central, professional signatures — with rules per user, group or domain.

Integrations

Microsoft 365, Gmail and Microsoft To Do — your existing tools, connected.

SSO login per company

Sign in via Entra, Google or Okta, with roles and permissions per user.

Billing & AI credit

Per-user subscription, view and download invoices, AI credit that scales.

Your own AI key

On Connect you bring your own model (Claude, GPT, Azure…) and pay for your AI directly.

Sort

Every email instantly in the right category

HeyOtto reads every incoming message and files it in a clear category — with a confidence score, so you always see why. Important mail sits on top; noise is quietly filed away.

  • To reply, FYI, Newsletter and Notifications — automatically
  • Categories configurable per company, with your own instructions
  • A confidence score on every decision — fully transparent
otto — sort
KV
Customer question — order #4821“Can the delivery be brought forward?”
Reply
Confidence
97%
HR
HR — new leave policyFor info, no action needed
FYI
otto — draft
To: Marlies Decroix · Re: Website redesign quote
NeutralFriendlyFormalShort
Hi Marlies,

Thanks for your message. We can deliver the redesign in about six weeks , with a first design after week two. The indicative price is around €8.500 excl. VAT.

Kind regards,
Sam
Reply

Drafts ready in your style

HeyOtto learns your writing style and signature and prepares a full reply — in four tone variants. You choose, review and send in one click. Never automatically.

  • Four tones per mail: neutral, friendly, formal or brief
  • Learns your style, signature and stock phrases
  • One click to send — you hold the pen
Trust & control

Your mail stays yours

HeyOtto is built for companies that take their data seriously: transparent, hosted in Europe, and always with you at the controls.

0
mails HeyOtto sends without you
100%
EU hosting, fully GDPR-compliant
SSO
Entra · Google · Okta, roles per user
14
days free, no card
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