Turn on 2-step sign-in for Microsoft

1 min readUpdated Oct 2026Business and Microsoft 365

Five minutes with the Authenticator app and a stolen password stops being enough.

  1. 1
    Install Microsoft Authenticator on your phone.
  2. 2
    On a computer, go to account.microsoft.com › Security › Advanced security options › Add a new way to sign in and pick the app.
  3. 3
    Scan the code, approve the test prompt, and save the recovery code somewhere that is not your email.
  4. 4
    For a work account, your company admin can require this for everyone from the business panel.
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