Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.

新的 msn 网站可为您提供最好的在线信息，并且是独一无二的，您可以在一天内使用不同的设备。 你可以保持连接，获得最佳服务，以便完成日常任务，并且还可以根据自己的兴趣自定义和组织主页。

Join a Teams meeting on the web. Don't have the Teams app? You can still join a Teams meeting. In your email invite, select Join the meeting now.. You can also use a dial-in number and conference ID from the email to call in.

需要在表格中或按行查找内容时，请使用 vlookup 函数。 例如，按部件号查找汽车部件的价格，或根据员工 id 查找员工姓名。 借助 xlookup，你可以在一列中查找搜索词，并在同一行的另一列中返回结果，无论返回结果的列在原列的哪一侧。

Turn Bluetooth off and then on again.. Swipe downward from the top of your screen to reveal the Android Notification panel.

使用双重验证时，Microsoft Authenticator 应用可帮助你登录帐户。

Notes: If you're using Office 365 operated by 21Vianet, make sure you download the Office for Android apps from the local Android Store.. Looking to set up your Microsoft 365 email?

断开设备与 Microsoft Store 的链接. 如果无法从 Microsoft Store 中下载内容，则你可能已达到了设备限制。 通过删除不使用的设备或者不再有权访问的设备来管理你的限制。

尚未运行 Windows 11？ 请参阅激活 Windows或激活 Windows 7 或 Windows 8.1。. 尝试“激活疑难解答” 如果运行的是 Windows 11，并且最近更换了重要的硬件（如更换主板）或重新安装了 Windows，则“激活疑难解答”有可能帮助重新激活 Windows。

Join a meeting by phone audio. In Microsoft Teams, the Call me feature gives users a way to join the audio portion of a meeting by phone.This is handy in scenarios when using a computer for audio might not be possible. Users get the audio portion of the meeting through their cell phone or land line and the content portion of the meeting—such as when another meeting participant shares their ...