To create a document, open Word, select a blank document or template, and start typing. Discover professionally designed templates for Microsoft Word.

An icon is added to the right of your Address bar, letting you sign in and customize the extension. To change your My Apps portal using the extension

Use Find my device to locate and lock your lost or stolen Windows devices.

Windows サインイン オプションにアクセスして管理する方法について説明します。 パスワード、Windows Hello、またはセキュリティ キーを使用してデバイスのロックを解除します。

Learn how to troubleshoot Windows activation errors. Browse common activation errors and learn what you can do to fix them.

This article describes how to troubleshoot Microsoft Outlook when it's used together with Microsoft 365 and: Outlook stops responding (hangs).

Learn how to upgrade your existing device to Windows 10 or buy a new PC. Get answers to common questions about upgrading to Windows 10.

Learn about Unified Extensible Firmware Interface (UEFI) features and how to access them on Surface Pro models and Surface 3.

Resetting Microsoft OneDrive can sometimes resolve sync issues. Follow the steps to reset your OneDrive.

デスクトップ アプリケーションまたは Web ブラウザーから Office または Microsoft 365 にサインインする方法について説明します。