Collaborate for free with online versions of Microsoft Word, PowerPoint, Excel, and OneNote. Save documents, spreadsheets, and presentations online, in OneDrive.

Access and manage your Microsoft account, subscriptions, and settings all in one place.

Discover Microsoft 365 Copilot—your AI productivity assistant. Chat, search, create, and get started with AI-powered tools for work and home.

Securely sign in to access your Microsoft account and manage emails, calendars, and other services efficiently.

Sign in to your Microsoft 365 account and access productivity tools, cloud storage, and collaboration features for your personal or professional needs.

Download the latest version of Microsoft Office for Windows PCs. Microsoft Office provides the best experience for work, creation, and collaboration.

Microsoft 365 は、革新的な仕事効率化アプリ、インテリジェントなクラウド サービス、最高水準のセキュリティを備え、ユーザーがより多くのことを達成できるように設計されています。

Sign in to Microsoft 365 to access your account, manage subscriptions, and explore productivity tools for work or personal use.

Sign in to access Microsoft 365 tools and collaborate with others online.

Microsoft 365 (formerly Office 365) subscriptions offer a suite of productivity tools and cloud services with world-class security and powerful AI. Try for free.