{
  "slug": "microsoft-outlook",
  "category": "email-clients",
  "name": "Microsoft Outlook",
  "description": "Microsoft's email and calendar app for Windows, macOS, Android, iOS and the web. Works with Outlook.com, Microsoft 365, Exchange and other IMAP accounts.",
  "website": "https://www.microsoft.com/en-us/microsoft-365/outlook",
  "license": null,
  "platforms": [
    "windows",
    "macos",
    "android",
    "ios",
    "web"
  ],
  "jurisdiction": {
    "code": "US",
    "name": "United States",
    "eyes": "Five Eyes",
    "eu": false,
    "gdpr": false,
    "cloud_act": "provider"
  },
  "pick": false,
  "pick_reason": null,
  "disclosure": null,
  "grade": "F",
  "score": 11,
  "coverage": 100,
  "summary": "Microsoft Outlook scores 11 out of 100 (grade F) on the email clients criteria. It meets 1 of 8 criteria: works with any provider. It partly meets blocks remote content. It does not meet open source, no trackers or telemetry, no ads or data sales, independent audit, OpenPGP support and connects directly. It is based in the United States: Five Eyes member; subject to the US CLOUD Act.",
  "url": "https://privacyratings.com/email-clients/microsoft-outlook/",
  "markdown": "https://privacyratings.com/email-clients/microsoft-outlook/index.md",
  "answers": {
    "open_source": {
      "title": "Open source",
      "weight": 3,
      "answer": "no",
      "evidence": null,
      "note": "Closed source."
    },
    "no_trackers": {
      "title": "No trackers or telemetry",
      "weight": 3,
      "answer": "no",
      "evidence": "https://reports.exodus-privacy.eu.org/en/reports/com.microsoft.office.outlook/latest/",
      "note": "Exodus finds six trackers in the Android app, including AppNexus, Facebook Ads and Singular."
    },
    "no_ads": {
      "title": "No ads or data sales",
      "weight": 2,
      "answer": "no",
      "evidence": "https://www.microsoft.com/en-us/privacy/privacystatement",
      "note": "The free Outlook apps show ads to users without a paid Microsoft 365 plan."
    },
    "independent_audit": {
      "title": "Independent audit",
      "weight": 2,
      "answer": "no",
      "evidence": null,
      "note": "No independent audit of the Outlook apps is published."
    },
    "transparency_report": {
      "title": "Transparency report",
      "weight": 2,
      "answer": "n/a",
      "evidence": null,
      "note": "Only applies to hosted services with a website to test."
    },
    "user_notice": {
      "title": "Tells users about requests",
      "weight": 1,
      "answer": "n/a",
      "evidence": null,
      "note": "Only applies to hosted services with a website to test."
    },
    "tls": {
      "title": "TLS configuration",
      "weight": 2,
      "answer": "n/a",
      "evidence": null,
      "note": "Only applies to hosted services with a website to test."
    },
    "security_headers": {
      "title": "Security headers",
      "weight": 1,
      "answer": "n/a",
      "evidence": null,
      "note": "Only applies to hosted services with a website to test."
    },
    "web_standards": {
      "title": "Modern web standards",
      "weight": 1,
      "answer": "n/a",
      "evidence": null,
      "note": "Only applies to hosted services with a website to test."
    },
    "openpgp": {
      "title": "OpenPGP support",
      "weight": 2,
      "answer": "no",
      "evidence": null,
      "note": "Not supported. S/MIME and Microsoft Purview encryption are available instead."
    },
    "no_cloud_relay": {
      "title": "Connects directly",
      "weight": 3,
      "answer": "no",
      "evidence": "https://www.microsoft.com/en-us/privacy/privacystatement#mainoutlookmodule",
      "note": "The mobile app syncs mail from all added accounts, including third-party ones, to Microsoft servers. Desktop sync to Microsoft servers is optional."
    },
    "remote_content_blocked": {
      "title": "Blocks remote content",
      "weight": 2,
      "answer": "partial",
      "evidence": "https://support.microsoft.com/en-us/outlook/block-or-unblock-automatic-picture-downloads-in-classic-outlook-email-messages",
      "note": "Classic Outlook for Windows blocks automatic picture downloads by default. Other Outlook apps differ."
    },
    "any_provider": {
      "title": "Works with any provider",
      "weight": 1,
      "answer": "yes",
      "evidence": "https://www.microsoft.com/en-us/privacy/privacystatement#mainoutlookmodule",
      "note": "Works with Microsoft accounts and accounts from third-party providers."
    }
  },
  "tests": {
    "ssllabs": null,
    "observatory": null,
    "internetnl_web": null,
    "internetnl_mail": null,
    "trackers": [],
    "tested_at": "2026-10-01T07:02:37.285Z"
  },
  "last_modified": "2026-10-01T07:44:20Z"
}