IF 函数 - 嵌套公式和避免错误 - Microsoft 支持
此类问题很严重，因为在许多情况下，此类错误容易被忽视，直到产生负面影响才会被发现。 既然知道复杂嵌套 IF 语句具有严重缺陷，你能做些什么？ 在大多数情况下，可使用 VLOOKUP 函数，而不是使用 IF 函数构建复杂公式。
适用于:
Microsoft 365 专属 Excel, Microsoft 365 Mac 版专属 Excel, Excel 网页版, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016, Excel Web App, Excel for Windows Phone 10
Como entrar ou sair do Outlook.com - Suporte da Microsoft
Para obter suporte no Outlook.com, clique aqui ou selecione Ajuda na barra de menus e digite sua consulta. Se a autoajuda não resolver seu problema, role para baixo até Ainda precisa de ajuda? e selecione Sim.. Para entrar em contato conosco no Outlook.com, você precisará entrar.
适用于:
Outlook.com
Windows 登入選項和帳戶保護 - Microsoft 支援服務
配對完成後，請在離開時帶上您的手機，如此每當您離開藍牙範圍幾分鐘之後，您的電腦將會自動鎖定。 其他登入選項 在需要登入時進行管理 移至 [開始] > [設定] > [帳戶] > [登入選項]。在 [如果您離開，Windows 何時應要求您重新登入?] 旁，選取 Windows 何時應要求您重新登入的選項。
Obtain a digital certificate and create a digital signature
This article explains how you can get or create a digital signature for use in Office documents. To learn more about how to use them in Office documents, see Add or remove a digital signature in Office files.. What is a digital signature?
适用于:
Microsoft 365 专属 Excel, Microsoft 365 专属 Word, Microsoft 365 专属 Outlook, Microsoft 365 专属 PowerPoint, Word 2021, Word 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Office 2016, Excel 2013, Word 2013, Outlook 2013, PowerPoint 2013, Office 2013
How to adjust power and sleep settings in Windows
To adjust power and sleep settings in Windows 10, go to Start , and select Settings > System > Power & sleep.. Under Screen, select how long you want your device to wait before turning the screen off when you're not using your device.
Windows 用のインストール メディアを作成する - Microsoft サポート
Windows 7、Windows 8.1、Windows 10 のインストールや再インストールで必要となるインストール メディアの作成方法について説明します。 USB フラッシュ ドライブ、外付けハード ドライブ、DVD。 8 GB 以上の空の USB フラッシュ ドライブまたは外付けハード ドライブ、または空の DVD (および DVD 書き込み ...
Microsoft Rewards Streak protection - Microsoft Support
Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.
Change the refresh rate on your monitor in Windows
Battery Life: Lowering your refresh rate can save battery power by reducing the amount of energy your display consumes.This can be useful when you are using a laptop or tablet and want to extend your battery life.
How to set your time and time zone - Microsoft Support
In Date & time, you can choose to let Windows 10 set your time and time zone automatically, or you can set them manually.. To set your time and time zone in Windows 10, go to Start > Settings > Time & language > Date & time.. Open Date & time settings
Windows sign-in options and account protection - Microsoft Support
To access your sign-in options, go to Start > Settings > Accounts > Sign-in options.. Or just select this button: Go to Sign-in options. Change or manage your password or PIN. To change your password or PIN, go to Start > Settings > Accounts > Sign-in options. Select PIN (Windows Hello), and then select Change PIN.