Screen time limits in Microsoft Family Safety are a great way to balance online habits within your family group. You decide when and for how long family members can use their connected Windows, Xbox and mobile devices.

Microsoft account help and support. Get help with signing in, locked or compromised accounts, linked accounts, closing, reopening, and updating your security info and account profile.

Microsoft Edge 是 Microsoft 推荐的浏览器. Windows 8.1不再支持 Internet Explorer 11。 相反，我们建议切换到 Microsoft Edge。 Microsoft Edge 是为了给你带来最好的上网体验而建立的，让你在浏览网页时有更多自主性，并获得更多隐私保护。

The TEXTJOIN function combines the text from multiple ranges and/or strings, and includes a delimiter you specify between each text value that will be combined. If the delimiter is an empty text string, this function will effectively concatenate the ranges.

Microsoft support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows, Surface, and more.

要执行此任务. 执行此操作. 添加视频. 选择“视频”>“开始我的视频”。 隐藏预览. 选择“视频”>“隐藏我的预览”。 共享预览. 选择“视频”>“显示我的预览”。 停止共享视频. 选择“视频”>“停止我的视频”。 离开视频². 选择“视频”>“离开视频”。 将呼叫置于保持状态

An upgrade moves your PC from a previous version of Windows—such as Windows 7 or Windows 8.1—to Windows 10. An upgrade can take place on your existing device, though Microsoft recommends using Windows 10 on a new PC to take advantage of the latest features and security improvements.

Install the 32-bit or 64-bit version of Office. Select your version below and follow the installation steps. Microsoft 365, Office 2019, or Office 2016 (Follow the steps to select a specific bit version, such as 64-bit if that's the version you need.)

Excel provides numerous predefined table styles that you can use to quickly format a table. If the predefined table styles don't meet your needs, you can create and apply a custom table style.

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