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SUMPRODUCT function - Microsoft Support
The SUMPRODUCT function returns the sum of the products of corresponding ranges or arrays.The default operation is multiplication, but addition, subtraction, and division are also possible. In this example, we'll use SUMPRODUCT to return the total sales for a given item and size:
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
How to use two-step verification with your Microsoft account
Important: If you turn on two-step verification, you will always need two forms of identification.This means that if you forget your password, you need two contact methods. Or if you lose your contact method, your password alone won't get you back into your account—and it can take you 30 days to regain access.
Use mail merge for bulk email, letters, labels, and envelopes
Data sources. Your first step in setting up a mail merge is to pick the source of data you'll use for the personalized information. Excel spreadsheets and Outlook contact lists are the most common data sources, but if you don't yet have a data source, you can type it up in Word, as part of the mail merge process.
适用于: Microsoft 365 专属 Word, Microsoft 365 Mac 版专属 Word, Word 网页版, Word 2021, Word 2021 for Mac, Word 2019, Word 2019 for Mac, Word 2016, Word 2016 for Mac
Advanced startup options (including safe mode) - Microsoft Support
The Advanced Boot Options screen lets you start Windows in advanced troubleshooting modes. You can access the menu by turning on your computer and pressing the F8 key before Windows starts.
Recover an earlier version of a Word file - Microsoft Support
If the AutoRecover option is turned on, you can automatically save versions of your file while you’re working on it. How you recover something depends on when you saved it. If you’ve saved the file. Open the file you were working on.
适用于: Microsoft 365 专属 Word, Word 2021, Word 2019, Word 2016
Brug Systemgendannelse - Microsoft Support
Brug Systemgendannelse til at oprette gendannelsespunkter, når du installerer en ny app, en driver eller en Windows-opdatering, og når du opretter et gendannelsespunkt manuelt. En gendannelse påvirker ikke dine personlige filer, men den vil fjerne apps, drivere og opdateringer, der er installeret, efter gendannelsespunktet blev oprettet.
Koppeln eines Bluetooth-Geräts in Windows - Microsoft-Support
Bevor Sie beginnen, stellen Sie sicher, dass Ihr Windows 10-PC Bluetooth unterstützt. Weitere Informationen dazu, wie Sie das prüfen können, finden Sie unter Beheben von Bluetooth-Problemen in Windows 10.Wenn Sie Hilfe beim Hinzufügen eines Geräts ohne Bluetooth-Funktionalität benötigen, lesen Sie Hinzufügen eines Geräts zu einem PC mit Windows 10.
Location and privacy in Microsoft Edge - Microsoft Support
How Microsoft Edge interacts with operating system permissions when sharing your location with a website. Windows can use information such as your IP address, nearby Wi-Fi access points, and GPS data, if available, to estimate your precise or imprecise location coordinates and pass this info to Microsoft Edge.
适用于: Microsoft 帐户仪表板
Использование панели задач в Windows 11 - Служба ...
Узнайте, как использовать функции панели задач в Windows 11. Скрытие панели задач, закрепление приложения, изменение расположения и другие параметры панели задач. Индикатор событий на кнопке панели задач — это ...
如何兑换 Microsoft Rewards 积分 - Microsoft 支持
你可能已尝试使用 VoIP 电话号码兑换 Microsoft Rewards 积分: 你需要一个移动电话或陆线号码才能兑换 Microsoft Rewards 积分。不允许使用 IP 语音 (VoIP) 号码。 Microsoft 服务协议中概述了此要求。 为了兑换积分,你需要提供一个工作的非 VoIP 电话号码。
适用于: Microsoft 帐户仪表板