IF 函数 - 嵌套公式和避免错误. Microsoft 365 专属 Excel Microsoft 365 Mac 版专属 Excel Excel 网页版 更多... IF 函数允许通过测试某个条件并返回 True 或 False 的结果，从而对某个值和预期值进行逻辑比较。. =IF（内容为 True，则执行某些操作，否则就执行其他操作）. 因此 IF ...

保存密码. 当 Edge 提供保存密码时，可以使用以下选项：. 选择“ 获取” 以确认希望 Edge 安全地保存密码。. (还可以编辑 Edge 捕获的凭据详细信息。. 选择 “X ” (关闭警报) 关闭套餐以保存密码。. Edge 不会保存你的密码，并且会在你下次在该页面上输入时再次 ...

Get a theme. To get a theme, expand one of the categories below, select a link for the theme, and then select Open. This saves the theme to your PC and puts it on your desktop. If you prefer, some themes can also be installed from the Microsoft Store. Explore themes in the Microsoft Store. Get free Windows themes from Microsoft to personalize ...

To check for updates, select Start > Settings > Windows Update , then select Check for updates. If updates are available, you can choose to install them. Check for updates. If you run into problems updating your device, including problems with previous major updates, see common fixes at Troubleshoot problems updating Windows.

In the Settings app on your Windows device, select Accounts > Sign-in options or use the following shortcut: Sign-in options. Under Ways to sign in , you have three choices to sign in with Windows Hello: Select Facial recognition (Windows Hello) to set up facial recognition sign-in with your PC's infrared camera or an external infrared camera.

From the Inbox, select New Items > More Items > Outlook Data File. Enter a File name. To add a password, check the Add Optional Password box. Select OK. Type a password in both the Password and Verify Password text boxes and select OK again. If you set a password, you must enter it every time that the data file is opened — for example, when ...

These suggestions are listed in order, so start with the first one, see if that helps, and then continue to the next one if it doesn't. To check the total disk space left on your Windows 11 device, select File Explorer from the taskbar, and then select This PC on the left. The available space on your drive will appear under Devices and drives.

Richten Sie Ihren PC mit der App „Erste Schritte“ wie gewünscht ein. Erste Schritte öffnen. Machen Sie sich mit Windows 11 vertraut – von der Suchfunktion bis zu Organisations-Tools. Schauen Sie sich das Video an, und lesen Sie Tipps zu neuen Features.

Select the Start button, then select Settings > System > Power & battery > Battery usage. For an app that lets you manage the background activity, select More options (three vertical dots) > Manage background activity. On the settings page for that app, change the setting for Let this app run in the background. Here’s a summary of each option:

选择“ 插入 ”>“ 链接 ”。. 下拉菜单显示复制到剪贴板和最近文件的所有链接。. 选择所需内容或选择底部的“ 插入链接 ”。. 选择“ 现有文件或网页 ”并添加：. “ 要显示的文本 ”- 键入要为超链接显示的文本。. “ 屏幕提示 ”- 键入在用户将鼠标悬停在 ...