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Free test

See what Orca finds in your inbox.

Sign in with your work Microsoft account. About three minutes later you’ll see who owes you a reply, a draft written the way you write, and a brief for your next meeting. All from your own mailbox.

Work or school accounts. Free, nothing to install, no card.

  1. The replies you’re owed. Emails you sent that nobody answered, with a chaser ready to go.
  2. How you write. Then a reply to a real email in your inbox, in that voice.
  3. Your next meeting, briefed. Or, if there isn’t one, the people who’ve gone quiet.

Questions people ask first

Why does Microsoft ask for admin approval?

Since late 2025, Microsoft asks a company admin to approve any app that reads mail. If you set up your company’s Microsoft 365, you’re probably that admin: tick Consent on behalf of your organisation and carry on.

If you’re not, we’ll give you a short message to send to whoever is, with the approval link in it.

What exactly does Orca read?

Your sent mail, to learn how you write and to find emails nobody answered. Your inbox, to find one email that needs a reply from you. Your calendar, to find your next meeting with someone outside your company.

Microsoft shows you the permissions before you agree: read your mail, read your calendar and see your basic profile. Nothing else.

What do you keep?

Never stored: the text of your emails, subjects, names, email addresses, or any key to your mailbox. Your results live only in this tab.

Kept, with no names or addresses attached: a de-identified summary of writing style (for example “short, direct, signs off with a first name”) and patterns (for example how many replies people are owed, what kinds of emails go unanswered, how many external meetings are coming up). We use it to improve Orca and to describe what we see across businesses, never to identify you.

Fair-use limits, which stop the test being run over and over, use scrambled (hashed) identifiers. They’re deleted after 30 days.

Never used to train any AI model.

Where does my mail go while it’s being read?

Through Orca’s servers, in our Supabase project in London, and to Anthropic’s API. That’s different from the Orca app itself, where the AI requests go straight from your computer.

Claude (by Anthropic) writes the results. Anthropic doesn’t train on it and deletes it within 30 days. We don’t store it at all, and nothing from the test is used to train any AI model.

How do I remove Orca’s access afterwards?

You don’t have to: access ends by itself within about an hour. If you’d like it gone straight away, go to myapps.microsoft.com and remove “Orca by OMG Center”.

Why work accounts only?

Orca is built for people running a business on Microsoft 365. Outlook.com, Hotmail and Live accounts aren’t supported yet. Google Workspace is next.

Who’s behind this?

Orca is made by OMG Center Ltd in London, company number 14169551. Microsoft lists the app as “Orca by OMG Center”, from verified publisher THE OMG CENTER LTD. Questions go to chris@simmance.ai, the person who built it.