使用 IF 检查单元格是否为空白 - Microsoft 支持
有些时候,你需要检查单元格是否为空白,通常是因为你可能不希望公式没有输入值就显示结果。 此情况下,将 IF 与 ISBLANK 函数搭配使用: =IF(ISBLANK(D2),"Blank","Not Blank")
适用于: Microsoft 365 专属 Excel, Microsoft 365 Mac 版专属 Excel, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016
Create a document in Word - Microsoft Support
Learn how to format text, add graphics, and more in Word documents. Create professional-looking documents with ease using our step-by-step guide. Try it now!
适用于: Microsoft 365 专属 Word, Word 2021, Word 2019, Word 2016
Where to enter your Office product key - Microsoft Support
These steps apply only to Office Professional Plus, Visio Professional, or Project Professional. Step 1: Start an Office app, like Word, Project, or Visio, depending on your purchase.. Step 2: In the Sign in to set up Office window, select I don't want to sign in or create an account (it's a small link at the bottom of the window).. Step 3: Enter your Office product key, without hyphens.
适用于: Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Office 2016, Microsoft 365 家庭版, Office 商业版
Check your network connection status - Microsoft Support
Windows 11 lets you quickly check your network connection status. Select the Start button, then type settings.Select Settings > Network & internet.The status of your network connection will appear at the top.
كيفية تسجيل الدخول إلى Outlook.com أو تسجيل الخروج ...
في حالة عدم تمكنك من تسجيل الدخول إلى حساب بريدك الإلكتروني في Outlook.com أو Hotmail أو Live أو MSN، أو إذا كنت غير متأكد من كيفية تسجيل الدخول أو الخروج، فإليك بعض الحلول.
适用于: Outlook.com
Change the email address or phone number for your Microsoft account
Email addresses and phone numbers associated with your Microsoft account are called aliases and they use the same contacts, online storage, subscriptions, and account settings.
适用于: Microsoft 帐户仪表板
Pobieranie i instalowanie lub ponowne instalowanie pakietu ...
Instalowanie pakietu Microsoft 365 2019 lub 2016 na komputerze PC Pamiętaj, że wersja zakupu jednorazowego pakietu Microsoft 365 obejmuje licencję tylko na jedną instalację. W zależności od przeglądarki wybierz pozycję Otwórz plik (w przeglądarce Edge lub Internet Explorer), Konfiguruj (w przeglądarce Chrome) lub Zapisz plik (w programie Firefox).
适用于: Office 2019, Office 2016, Office 2016 for Mac, Office 2013
Open and run DxDiag.exe - Microsoft Support
Learn how to open and run DxDiag.exe on Windows to collect device information and troubleshoot DirectX sound and video issues.
Windows에서 개인 정보 설정 변경 - Microsoft 지원
개인 정보 설정을 변경하여 얼마나 많은 정보를 Microsoft와 공유할지 선택합니다. 이렇게 하려면 시작 을 선택한 다음 설정 을 열고 개인 정보 및 보안 을 선택합니다. 일반적인 개인 정보 옵션이 표시됩니다. 페이지의 왼쪽에는 구체적인 개인 정보 설정에 대한 링크가 제공됩니다.
Anmelden bei Office - Microsoft-Support
Wählen Sie das AppApp-Startfeld aus und wählen Sie dann eine beliebige Office-App aus, um Sie zu verwenden. Tipp: Sie können sich mit mehr als einem Gerät bei Office-Apps anmelden, wenn Sie über ein Microsoft 365-Abonnement verfügen.
适用于: Microsoft 365 专属 Excel, Microsoft 365 专属 Word, Microsoft 365 专属 Outlook, Microsoft 365 专属 PowerPoint, Microsoft 365 专属 Access, OneNote for Microsoft 365, Project Online 桌面客户端, Microsoft 365 专属 Publisher, Visio 计划 2, Microsoft 365 Mac 版专属 Excel, Microsoft 365 Mac 版专属 Word, Microsoft 365 Mac 版专属 Outlook, Microsoft 365 Mac 版专属 PowerPoint, Microsoft 365 Mac 版专属 OneNote, Excel 网页版, Word 网页版, OneNote 网页版, PowerPoint 网页版, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project 专业版 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Excel 2021 for Mac, Word 2021 for Mac, Outlook 2021 for Mac, PowerPoint 2021 for Mac, OneNote 2021 for Mac, Office 2021 for Mac, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Professional 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Excel 2019 for Mac, Word 2019 for Mac, Outlook 2019 for Mac, PowerPoint 2019 for Mac, OneNote 2019 for Mac, Office 2019 for Mac, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Project 专业版 2016, Project Standard 2016, Publisher 2016, Visio 专业版 2016, Visio 标准版 2016, OneNote for Mac, Microsoft 365 家庭版, Office 商业版, Office 365 小型企业版, Microsoft 365 管理员, Project Online, Microsoft 365 Mac 版