Sign in with Microsoft
Sign in or create an account.
Hello,
Select a different account.
You have multiple accounts
Choose the account you want to sign in with.
在 Excel 中将 IF 与 AND、OR 和 NOT 函数配合使用 - Microsoft 支持
但如果需要测试多个条件,例如我们假设所有条件都需要为 True 或 False (AND),或只有一个条件需要为 True 或 False (OR),或者如果想要检查某个条件是否不 (NOT) 符合你的条件,这时该怎么做呢?这三个函数均可以单独使用,但它们更常见于与 IF 函数成对使用。
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
Uninstall or remove apps and programs in Windows
There are different ways to remove apps and programs, so if you can't find the one you're looking for, you can try another location. Note that some apps and programs are built into Windows and can't be uninstalled. You can try to repair a program first, if it's just not running correctly.
在电脑或 Mac 上下载并安装或重新安装 Microsoft 365 或 Office 2021 - Microsoft 支持
准备好安装了吗? 在开始之前,请确保电脑或 Mac 满足 系统要求。. 如果你已兑换产品密钥,只需重新安装应用,或者知道你已通过工作或学校分配了许可证,则可以跳到登录部分 ,下载并安装 Microsoft 365 或 Office。 但是,如果是 首次 安装 Microsoft 365 或 Office,可能需要先执行一些步骤。
Applies To: Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Admin, Microsoft 365 for Mac, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin, Office.com
Verwalten von Fotos und Videos mit der Microsoft Fotos-App
Hinweis für iPhone:Wenn Beim Importieren Ihres iPhones Probleme auftreten, stellen Sie sicher, dass Ihr Gerät entsperrt ist und Sie die Berechtigungen akzeptiert haben. Hinweis für Android und andere Geräte: Wenn Sie ein Android-Smartphone oder ein anderes Gerät verwenden und der Import nicht funktioniert, müssen Sie möglicherweise die USB-Einstellungen Ihres Smartphones von Aufladen ...
Add non-Microsoft accounts to the Microsoft Authenticator app
Allow the app to use the camera so that you can take a picture of a QR code in one step. If you don't allow the camera, you can still add the code manually as described in Manually add an account to the app. ... and Amazon accounts, but the process is the same for other apps, such as Instagram and Adobe. Add your Google account. Add your Google ...
Anheften von Apps und Ordnern an den Desktop oder die Taskleiste
Wenn die App bereits auf dem Desktop geöffnet ist, halten Sie das Taskleistensymbol der App (oder klicken Sie mit der rechten Maustaste darauf) und wählen An Taskleiste anheften aus. Hinweis: Wenn Sie eine angeheftet App aus der Taskleiste entfernen möchten, klicken Sie mit der rechten Maustaste auf das App-Symbol, und wählen Sie dann Von ...
Manage photos and videos with Microsoft Photos app
Select Settings, and under the About section, select About Photos. Photos: Says Updated in the About section of Settings—you are running the new version of the Photos app.This version includes features like iCloud integration in left navigation bar. This version of Microsoft Photos app offers a convenient and user-friendly way to view, import, organize, edit, and share photos and videos on ...
How to use the Camera app - Microsoft Support
Note: To keep the Camera app from using the camera, turn off the camera completely. Drag the app to the bottom of the screen and hold it there until the app flips over. If you have problems with the Camera app after changing privacy settings, close it and re-open it.
How to find and enable missing Copilot button in Microsoft 365 apps
Important: Copilot in Outlook only supports work or school accounts, and Microsoft accounts using outlook.com, hotmail.com, live.com, and msn.com email addresses at this time. Any Microsoft account using an account from a third-party email provider, such as a Gmail, Yahoo, or iCloud, can still use Outlook, but won't have access to the Copilot features in Outlook.
Applies To: Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, OneNote for Microsoft 365, Excel for Microsoft 365 for Mac, Word for Microsoft 365 for Mac, Outlook for Microsoft 365 for Mac, PowerPoint for Microsoft 365 for Mac, OneNote for Microsoft 365 for Mac
我无法从 Microsoft Store 找到或安装应用 - Microsoft 支持
此外,某些应用和游戏未在 Microsoft Store 中提供,但是可以直接从发布者的站点下载。 该应用与你的设备不兼容。 Microsoft Store 自动隐藏或屏蔽与你的设备不兼容应用上的“购买”按钮。 你可能会看到来自 Microsoft Store 的某个应用在你的电脑上可用,但在另一台 ...