了解在 Xbox 主机上收到错误消息“此设备上的其他用户已使用该 Microsoft 帐户，因此不能在此处添加该帐户”时应采取的措施。

Notes: This feature is not supported if you sign in with a work/school account. If you use an authenticator app or other multifactor sign in, you will need an app password to sign in.. If you want to create another email address that uses the same inbox, sent, items, and contact list as your existing Outlook.com account, read how to create an email alias.

Windows 允許新增多個用戶帳戶來使用相同的裝置，讓每個使用者都有自己的設定、檔和應用程式。 例如，家長可以擁有自己的帳戶，並擁有管理設定和安裝軟體的系統管理許可權，而子女可以擁有標準帳戶，並啟用家長監護來監控及限制其使用量。

Once you've allowed microphone access to your apps, you can change the settings for each app. In Microphone settings, go to Choose which Microsoft apps can access your microphone, and turn on apps you want to use with it.For desktop apps, make sure that Allow desktop apps to access your microphone is turned on.

安装 Windows 11. 在针对你的特定电脑测试和验证 Windows 11 升级后，Windows 更新将指示它已准备好安装。 若要检查 Windows 11 是否已为你的设备准备就绪，请转到“开始” “设置” >“更新和安全性” >“Windows 更新” ，然后选择“检查更新”。 如果升级适用于你的设备，并且想要继续，请下载并安装它。

Microsoft has added OAuth support for Yahoo! accounts in the Windows 10 Creators update. To install the Creators Update now, go to the software download site, and select Update now.For more information about the update, see Windows 10 Creators Update is here.. If you have a Japanese Yahoo! email account you will need to do the following:

Use the People page to create, view, and edit contacts, contact lists, and groups. Create new contacts from scratch, or add someone as a contact from their profile card.

An array formula (one that spans multiple cells) can do calculations on rows and columns of cells where you might otherwise need to use several formulas. For example, you can count the number of characters that are contained in a range of cells, sum only numbers that meet certain conditions (such as the lowest values in a range or numbers that fall between an upper and lower boundary), and sum ...

解决安装 Windows SP1 时遇到的问题. 如果你尝试安装 SP1 并看到指示安装未成功的错误消息，这可能是因为用于安装更新的 Windows 维护服务商店出现问题，或者是因为你的防病毒软件阻止安装更新。

我忘记了我的密码. 转到 “恢复帐户”页，并按照提示操作。 若要详细了解如何重置密码，请参阅 重置忘记的 Microsoft 帐户密码。. Outlook.com 帐户受到攻击. 如果认为 Outlook.com 已受到攻击，请参阅我的 Outlook.com 帐户已受到攻击。. Outlook.com 帐户被阻止