Hotmail 現在為 Outlook.com。 瞭解如何登入以存取您的 Outlook.com、Hotmail、Live 或 MSN 電子郵件帳戶。

Experience Microsoft Copilot on windows devices using the Copilot app! The Copilot app helps you get answers and inspiration from across the web, supports creativity and collaboration, and helps you focus on the task at hand.

See some of the most common upgrade and installation errors for Windows 10 and Windows 11, and what you can do to try to fix them.

Learn why it's important to have a backup, and how Windows Backup can help you keep your files and settings safe.

Learn how to deal with phishing or spoofing scams or abusive messages in Outlook.com.

Learn how to troubleshoot and use the clipboard in Windows to paste multiple items, pin items, and sync your clipboard to the cloud.

Discover how to use Microsoft Phone Link to connect your Android or iPhone to your PC for seamless access to notifications, calls, and apps.

Learn about Loop access privileges for various Microsoft 365 subscriptions.

How to change your product key to fix activation errors that can occur if you own and install multiple one-time purchases of Office..

Microsoft アカウントにサインインするためのエイリアスを使用した Microsoft アカウントのメール アドレスまたは電話番号を変更する方法について説明します。