microsoftonline.us

Trusted High Traffic Tranco #5,780

microsoftonline.us operates primarily as a productivity suite, focusing on microsoft 365 cloud services. microsoftonline.us is a key domain for Microsoft's cloud-based productivity and collaboration services, primarily serving US-based organizations and government entities. It provides access to applications like Outlook, Word, Excel, and OneDrive, along with identity management for Microsoft 365 accounts. It is operated by Microsoft Corporation.

Beyond its core function, the ecosystem extends into email services, document collaboration, identity providers, and cloud infrastructure, providing a broader range of services.

Industry Category

Productivity Suites

Integrated tools for business productivity.

Related Topics

cloud servicesproductivityemaildocument collaborationidentity managementmicrosoft 365

Well Established

microsoftonline.us is a well-established platform operated by Microsoft Corporation. Top 10,000 global website, unknown registration date, high traffic. Standard web safety practices apply.

Top 10,000 global websiteunknown registration datehigh traffic

Security Considerations

While microsoftonline.us is an established platform, these capabilities require extra vigilance.

File Hosting

microsoftonline.us allows users to upload and share files. Any file you download was uploaded by another user—not the platform operator. Scan downloads with antivirus software and only download from sources you trust.

Form Builder

microsoftonline.us enables anyone to create forms that collect user data. Attackers use this to create fake login pages or payment forms. Never enter passwords or financial information on forms hosted here unless you initiated the process yourself.

Identity Provider

microsoftonline.us provides "Sign in with..." authentication for third-party websites. Attackers create fake login pages that look identical to the real one. Always check the URL bar shows the exact correct domain before entering your password.

Document Hosting

microsoftonline.us hosts documents and pages shared via links. Because the domain is trusted, links pass through email spam filters easily. Attackers exploit this to host fake invoices, login pages, or malware download prompts.

Remember: The platform itself is established, but even established platforms can be abused.

Real-Time Investigation

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Recent Threat Analysis

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Developer API

Integrate Domain Intelligence

Access this classification data programmatically via our API.

GET /api/v1/classify?domain=microsoftonline.us
{
  "domain": "microsoftonline.us",
  "state": "developed",
  "stability": "stable",
  "confidence": "high",
  "category": {
    "purpose": "productivity_suite",
    "specialization": "Microsoft 365 Cloud Services",
    "secondary_purposes": [
      "email_service",
      "document_collaboration",
      "identity_provider",
      "cloud_infrastructure"
    ]
  },
  "identity": {
    "headline": "Official domain for Microsoft 365 cloud services in the US",
    "summary": "microsoftonline.us is a key domain for Microsoft's cloud-based productivity and collaboration services, primarily serving US-based organizations and government entities. It provides access to applications like Outlook, Word, Excel, and OneDrive, along with identity management for Microsoft 365 accounts.",
    "operator": "Microsoft Corporation",
    "parent_entity": null,
    "topics": [
      "cloud services",
      "productivity",
      "email",
      "document collaboration",
      "identity management",
      "microsoft 365"
    ]
  },
  "functions": {
    "is_ugc_platform": false,
    "is_file_host": true,
    "is_url_shortener": false,
    "is_public_idp": true,
    "is_crypto_platform": false,
    "allows_user_subdomains": false,
    "is_form_builder": true,
    "is_document_host": true
  },
  "facts": {
    "created_at": null,
    "rank": 5780,
    "hosting_provider": null
  }
}

Last Updated

Jan 7, 2026

Domain data sourced from WHOIS, Tranco rankings, and URLert's classification engine.