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

Sign in to access your Microsoft account and collaborate using Office apps like Word, Excel, and PowerPoint online.

Sign in to access Microsoft 365 and collaborate on Word, PowerPoint, Excel, and OneNote.

Sign in to your Microsoft 365 admin account to manage users, subscriptions, and settings.

Sign in with your Microsoft account and enter your product key to get started. For help, go to office.com/support

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Access Microsoft 365 to create, share, and collaborate using your favorite apps like Word, Excel, and PowerPoint.

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Manage, deploy, and secure Microsoft 365 apps for your organization with the admin center.

Unlock productivity, creativity, and generative AI for your organization. The Microsoft 365 Copilot app empowers your employees to do their best work with Copilot in the apps they use daily.