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Microsoft 365 help & learning
Get Microsoft 365 support, help, and learning resources. Organize your life, expand your creativity, and protect what’s important with Microsoft 365.
Applies To: Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Office 2016, Microsoft 365 for home, Microsoft 365 for Mac, Microsoft 365 for Windows
Troubleshooting verification code issues - Microsoft Support
Troubleshoot unrequested verification codes. Note: If you're still not receiving verification codes, you may have to choose another method, or wait until you can access the phone or email you've listed. To protect your account and its contents, our support agents are not allowed to send verification codes or access and change account details ...
Applies To: Microsoft account dashboard
Multiply and divide numbers in Excel - Microsoft Support
Create a simple formula to multiply and divide in an Excel spreadsheet. You can multiply two or more numbers in one cell or multiply and divide numbers using cell references. All formulas in Excel begin with an equal sign (=).
Applies To: Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel for the web, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016
使用截图工具捕获截图 - Microsoft 支持
可通过四种方法打开截图工具:. 选择“ 开始 ”按钮,输入 截图工具 ,然后从结果中选择“ 截图工具 ”。. 按 Windows 徽标键 + Shift + S 获取静态图像截图。. 按 打印屏幕 ( PrtSc) 获取静态图像截图。. 按 Windows 徽标键 + Shift + R 获取视频截图。.
激活 Windows - Microsoft 支持
使用产品密钥激活 Windows. 产品密钥是由 25 个字符组成的代码,如下所示:. 产品密钥:XXXXX-XXXXX-XXXXX-XXXXX-XXXXX. 在安装期间,系统会提示你输入产品密钥。. 或者,安装后,若要输入产品密钥,请选择“ 开始 ”按钮,然后选择 “设置 > 系统 > 激活 > 更新产品密钥 ...
Windows でユーザー アカウントを管理する - Microsoft サポート
Windows 10 と Windows 11 でユーザー アカウントを追加する方法について説明します。 アカウントを使用すれば、各ユーザーが個別のファイル、ブラウザーのお気に入り、プライベート デスクトップを持つことができます。
为升级 Windows 11 准备就绪 - Microsoft 支持
若要检查 Windows 11 是否已为你的设备准备就绪,请转到“ 开始 ” “ 设置 ” >“ 更新和安全性 ” >“ Windows 更新 ” ,然后选择“ 检查更新 ”。. 如果升级适用于你的设备,并且想要继续,请下载并安装它。. 注意: 下载和安装 Windows 11 很可能比典型的 Windows 10 ...
How to contact MSN Customer Support - Microsoft Support
MSN is the Microsoft information and entertainment network. MSN offers Internet subscriptions and services. This article describes how to contact MSN Customer Support.
Touch gestures for Windows - Microsoft Support
Place two fingers on the screen and slide horizontally or vertically. Zoom in or out. Place two fingers on the screen and pinch in or stretch out. Show more commands (like right-clicking) Press and hold the item. Show all open windows. Swipe with three fingers up on the screen. Show the desktop.
在 Excel 中将 IF 与 AND、OR 和 NOT 函数配合使用 - Microsoft 支持
这样做可以省略 IF 函数,并可以独立使用 AND、OR 和 NOT。. 在 Excel 的“ 开始 ”选项卡中,单击“ 条件格式”>“新建规则 ”。. 接下来,选择“ 使用公式确定要设置格式的单元格 ”选项,输入公式并应用你选择的格式。. 使用早期版本的“日期”示例时,公式 ...
Applies To: Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel for the web, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016, Excel Web App, Excel for Windows Phone 10