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

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

This site helps IT administrators deploy, manage, monitor and secure Microsoft 365 apps within your organization. Sign in with your Microsoft 365 admin account to get access to all of the …

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

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The Office Customization Tool in Microsoft 365 Apps admin center allows you to configure, deploy, and manage Office apps for your organization.

Microsoft アカウントでサインインし、プロダクト キーを入力して開始します。 支援が必要な場合は、office.com/support にアクセスしてください