只要其中一个表具有与所有其他表共有的字段，就可以使用 VLOOKUP 将多个表合并为一个表。 如果需要与使用较旧版本的 Excel 的人共享工作簿，且旧版本不支持将多个表作为数据源的数据功能，这会特别有用 - 通过将源合并到一个表中并将数据功能的数据源更改为新表，则该数据功能可在较旧版本的 ...

If you want to give access to desktop apps, make sure that Let desktop apps access your microphone is turned on.You can't turn off microphone access for individual apps. Others can't hear me. Try the following solutions:

Troubleshoot issues that occur when setting up external monitors. If you are trying to set up an external monitor and it’s not working, press the Windows logo key + P to make sure that the Extend option is selected. If the Extend option is selected, try the following troubleshooting tips.

In the search box on the taskbar, type Manage BitLocker and then select it from the list of results. Or, select the Start button, and then under Windows System, select Control Panel.In Control Panel, select System and Security, and then under BitLocker Drive Encryption, select Manage BitLocker. Note: You'll only see this option if BitLocker is available for your device.

TPM (受信任的平台模块) 可用于提高电脑的安全性。 它可由 BitLocker 驱动器加密、Windows Hello 等服务用于安全地创建和存储加密密钥，以及确认设备上的操作系统和固件符合要求，并且未被篡改。 通常，它是母板上单独的芯片，但 TPM 2.0 标准允许 Intel 或 ...

如果无法从备份中找到丢失的文件，则可以使用 Windows File Recovery，这是 Microsoft Store 提供的命令行应用。使用此应用尝试恢复已从本地存储设备中删除的丢失文件， (包括内部驱动器、外部驱动器和 USB 设备) 且无法从回收站还原。 不支持在云存储和网络 ...

Windows Photo Viewer isn't part of Windows 10, but if you upgraded from Windows 7 or Windows 8.1, you might still have it. To check, press and hold (or right-click) a photo in File Explorer, and select Open with.If Windows Photo Viewer isn't in the list, you cannot install it on Windows 10.

了解关闭 Microsoft 帐户可能会对你的其他应用和服务产生哪些影响。 关闭Microsoft帐户意味着你将无法使用它登录到任何Microsoft产品或服务，包括 Outlook.com 或 Hotmail、OneDrive、Xbox、Skype、Office 或 Microsoft 365、Rewards 和 Microsoft 认证。

了解如何升级Windows 10 家庭版Windows 10 专业版访问更高级的安全性和网络功能。 按“提交”即表示你的反馈将用于改进 Microsoft 产品和服务。 你的 IT 管理员将能够收集此数据。

Note: If you don't have the Surface app installed, you can download the Surface app from the Microsoft Store. When it has downloaded, select Start, search for Surface, then select the app from the list of results.