Microsoft Defender is a new security app that helps protect you and your family across all your devices; Windows, Android, Mac, and iOS.

使用活動報告, Xbox 家庭群組的召集人可以在 Xbox 主機、Windows 裝置, 和版本 5.0 或更新版本的 Android 裝置上查看成員的活動。 這包括成員隨時在 Microsoft Edge 上玩遊戲、使用應用程式或瀏覽網頁。 您可以使用下列步驟來啟用和查看活動報告。

Messages that have the encrypt-only policy applied can be read directly in new Outlook, Outlook on the web, Outlook for iOS and Android, Outlook for Windows versions 2019 and newer, and Microsoft 365.

了解成人可以如何管理家庭成员的游戏活动，并通过其 iOS 和 Android 手机设置内容限制。

Want to add a padlock to your email messages? You can use encryption and digital signatures in new Outlook, classic Outlook, and Outlook on the web for work or school accounts to increase the security of messages. Encrypting an email message in Outlook means it's converted from readable plain text into scrambled cipher text. Only the recipient who has the private key that matches the public ...

了解如何在您的 Android 手機或平板上設定 Xbox Cloud Gaming。 包含安裝 Xbox 應用程式、使用邀請連結，以及使用 Game Pass Ultimate 串流遊戲的步驟。

The Microsoft Edge feature that blocks pop-ups is effective in preventing websites from automatically opening a new window or tab, or a partial window on top of your current web page. This feature is turned on by default. There are many different types of pop-ups, including advertisements, notices, offers, or alerts that can appear at various times on any web page. Some can be helpful, such as ...

Learn how to recover a hacked or compromised account, what to do next, and how to prevent your account from being compromised in the future.

設定您的 Android 裝置以進行雲端遊戲 設定您的 Apple 裝置以進行雲端遊戲 如需有關其他裝置上的雲端遊戲，或如何下載 Xbox 應用程式來玩的詳細資訊，請移至： 如何使用雲端遊戲

Microsoft prioritizes account security and works to prevent people from signing in without your permission. When we notice a sign-in attempt from a new location or device, we help protect the account by sending you an email message and an SMS alert. If your phone number or email changes, it's important to promptly update the security contact info on the Security basics page so we can work with ...