下面是使用两个单元格区域的公式 ： =SUM (A2：A4，C2：C3) 对区域 A2：A4 和 C2：C3 中的数字求和。. 可按 Enter 获取总计 39787。. 创建公式：. 在单元格中键入 =SUM ，后跟左括号 ( 。. 若要输入第一个公式区域（称为 参数 (公式运行) 所需的一段数据），请键入 A2：A4 ...

Copilot 旨在以简便方式提供 AI 支持的帮助，使你能够在 Windows 上与生成式 AI 无缝互动。. 你可以像使用其他 Windows 应用一样，在 Copilot 中调整大小、移动和使用 贴靠助手 。. 可以使用 Alt + Tab 在 Copilot 和其他打开的应用之间切换焦点。. 如果需要关闭 Copilot，只需 ...

Visit the small business help & learning page to learn how you can use Microsoft 365 in your small business. Visit the small business hub now. Type or write notes or record audio notes with OneNote. Bring your notes to life by drawing and sketching in OneNote. Learn what end of support means and how to upgrade to Microsoft 365.

试一试！. 如果你使用的是 Microsoft Outlook 应用或 Outlook.com，并且你和你的收件人都在 Microsoft Exchange 或 Microsoft 365 上，并且在同一组织中，则可以撤回或替换你发送的电子邮件。. 如果你使用的是新的 Outlook，请在此处了解如何召回邮件。. 重要: 但如果帐户是 MAPI ...

Open a service request in the Microsoft 365 admin center. This service is free. Get help and support, whether you're shopping now or need help with a past purchase. Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

Microsoft Edge has features that help you and your content stay safe online. We automatically block websites and content downloads that are reported to be malicious. Microsoft Edge checks the address of the webpage you're visiting against a list of webpage addresses stored on your device that Microsoft believes to be legitimate. Addresses that ...

Windows Update:よくあるご質問. Windows 11は、デバイスが安全で最新の状態であることを確認するために、更新プログラムを自動的にダウンロードしてインストールします。. これによって適用される最新の修正プログラムとセキュリティ更新プログラムは ...

The following are required for this to work: A PC running Windows 11. An Android devices running Android 8.0 or later. Your Phone and your PC both need to be connected to Wi-Fi network. Make sure to have both your PC and Android device nearby, turned on, and connected to Wi-Fi network. Open Settings on your PC.

Try running the compatibility troubleshooter: In the search box on the taskbar, type Run programs made for previous versions of Windows and select it in the results. Select Next, select the program you're having trouble with, then select Next again. Select Troubleshoot program (or you can select Try recommended settings to try that).

Help in Notepad. Windows 10 Windows 8.1 Windows 7 Windows 11. To open Notepad, select the Start button, enter Notepad, then select Notepad from the results. Here are answers to a few common questions about Notepad: How do I change header and footer commands in Notepad? How do I use Notepad to create a log? If you need additional help, ask the ...