Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.

症状. 出现下列安全警告之一：. 有一个程序正试图访问存储在 Outlook 中的电子邮件地址信息。. 如果这属意外情况，请单击“拒绝”并确保你的防病毒软件已经更新。. 有一个程序正试图以你的名义发送电子邮件。. 如果这属意外情况，请单击“拒绝”并确保你的 ...

This article applies if you’ve recently made changes to your device hardware and are trying to upgrade to Windows 11. Hardware changes might affect your upgrade eligibility, though you’ll need to take a few steps to see your updated eligibility in Settings.

The IF function is one of the most popular functions in Excel, and it allows you to make logical comparisons between a value and what you expect. So an IF statement can have two results. The first result is if your comparison is True, the second if your comparison is False. For example, =IF (C2=”Yes”,1,2) says IF (C2 = Yes, then return a 1 ...

In the message, click Options. In the More Options group, click the dialog box launcher in the lower-right corner. Click Security Settings, and then select the Add digital signature to this message check box. Click OK, and then click Close. If you don't see the Sign Message button, you might not have a digital ID configured to digitally sign ...

若要手动从Windows 11 家庭版升级到Windows 11 专业版，请先检查运行的版本和激活状态：. 选择“ 开始 ”>“ 设置 ”>“ 系统 ”>“ 激活 ”。. 在“ 激活 ”页面顶部，可以看到你的版本：家庭版或专业版。. 你还将在“ 激活状态 ”下看到是否已激活。. 打开激活 ...

连接到 WLAN 网络。. 了解操作方法. 选择 任务栏右侧"WLAN 网络"图标，然后选择"管理 Wi-Fi 连接" (>) 设置中的"设置"。. 对于Wi-Fi的虚拟网络，请选择"网络名称"旁边的Wi-Fi属性"。. 在Wi-Fi"屏幕上，查看"安全类型 "旁边的值 。. 如果你已使用 WPA3 加密安全连接到网络 ...

You can find efficiency settings in Windows 11 at Settings > System > Power & battery . For a guided walkthrough of how each of the power and battery settings can improve your device's performance, click the button to open the Get Help app: Guided walkthrough in Get Help. Click on each topic below to view some ideas that can improve the power ...

附註: 您的 IT 系統管理員或社群系統管理員有時會在 Yammer 中傳送通知，並傳送有關您的帳戶和活動更新的電子郵件，例如您偏好的電子郵件通知設定以外的重要公告。 系統管理員必須使用新的Yammer來傳送必要的公告，不過新的和Yammer的使用者都會收到通知。 如果您對您偏好的電子郵件通知設定 ...

sum_range Optional.The actual cells to add, if you want to add cells other than those specified in the range argument. If the sum_range argument is omitted, Excel adds the cells that are specified in the range argument (the same cells to which the criteria is applied).. Sum_range should be the same size and shape as range.If it isn't, performance may suffer, and the formula will sum a range of ...