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Its best-known software products are the Windows line of operating systems and the Microsoft Office and Microsoft 365 suite of productivity applications, which most notably include the …

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

It’s all here with Microsoft account Your Microsoft account connects all your Microsoft apps and services. Sign in to manage your account.

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

Use your Microsoft account to sign in to Microsoft services like Windows, Microsoft 365, OneDrive, Skype, Outlook, and Xbox Live.

Microsoft Support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows 11, Surface, and more.

Experience the latest Microsoft Windows 11 features. Learn how our latest Windows OS gives you more ways to work, play, and create.

Download free Microsoft Outlook email and calendar, plus Office Online apps like Word, Excel, and PowerPoint. Sign in to access your Outlook email account.

Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.