Help family members shop responsibly by setting allowances in Microsoft accounts. Money added to a Microsoft account can be used to buy movies, games, in-app purchases and more.

Advanced Systems Format (.asf) The Advanced Systems Format (ASF) is the preferred Windows Media file format. With Windows Media Player, if the appropriate codecs are installed on your computer, you can play audio content, video content, or both, that is compressed with a wide variety of codecs and that is stored in an .asf file.

Locking your Windows device allows you to quickly secure your device while keeping your applications and files open in the background. When you lock your device, anyone trying to access it must enter your password, PIN, or use biometric authentication if you have Windows Hello set up.

Select Review activity to check for any unusual sign-in attempts on the Recent activity page.If you see account activity that you're sure wasn't yours, let us know and we can help secure your account—if it's in the Unusual activity section, you can expand the activity and select This wasn't me.If it's in the Recent activity section, you can expand the activity and select Secure your account.

如果公式引用了 Excel 中未定义的名称，则会看到 #NAME？ 错误。 请参阅以下引用 Profit 的 SUM 函数示例，该 函数是工作簿中未定义的名称。. 解决方案：在 名称管理器中定义一个名称，然后按照以下步骤将该名称添加到公式中：. 如果电子表格中已有数据，并且想要为特定单元格或单元格区域分配 ...

获取 Microsoft Edge 的帮助和支持。 查找 Microsoft Edge 支持内容、操作方法文章、教程等。

Windows 10 usually finds devices automatically when you plug them in or turn them on. If it doesn't, follow these steps: Select Start > Settings > Devices > Bluetooth & other devices.

Internet Explorer 11 support ended. Support for Internet Explorer 11 ended on June 15, 2022. If any site you visit needs Internet Explorer, you can reload it with Internet Explorer mode in Microsoft Edge.. Get started with Microsoft Edge

聊天： 如果希望保证为给定电脑关闭聊天，可以通过将 www.bing.com 映射到 Nochat.bing.com (（将聊天锁定为给定电脑) 关闭）或 Nochatstrict.bing.com (（将聊天锁定为给定电脑关闭）和将“安全搜索”设置为锁定为严格) ， 遵循上述相同步骤，但在步骤 6 中 ping“nochat.bing.com”或“nochatstrict.bing.com”。

Microsoft 通常每月都将 MSRT 作为 Windows 更新的一部分或独立工具进行发布。 （有关异常，请参阅 已跳过发布。 。） 使用此工具可查找和删除特定的流行威胁，以及撤消它们所做的更改（请参阅涵盖的恶意软件系列）。 若要全面检测和删除恶意软件，请考虑使用 Windows Defender 脱机版或 Microsoft 安全 ...