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

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

Access and manage your Office 365 account, users, and settings from the admin portal.

Sign in to Outlook to access and manage your email efficiently.

Login | Microsoft 365

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Create forms in minutes... Send forms to anyone... See results in real time

Easily create surveys, quizzes, and polls.

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 ...

This web site tests your network connectivity to Microsoft 365 and shares a test report with your administrator