Tip: If you're a Microsoft 365 Family or Personal subscriber you get Microsoft Defender, our advanced security software for Windows, Mac, iOS, and Android, as part of your subscription.Learn more at Getting started with Microsoft Defender.

Product functionality and graphics may vary based on your system configuration. Some features may require advanced or additional hardware. PCs with multi-core processors:

如果应用已打开，请在任务栏上找到应用的图标按钮，长按此按钮，然后向上滑动，直到出现“应用列表”。 如果你使用的是鼠标，请在任务栏上找到应用图标按钮，右键单击此按钮，然后选择“固定到任务栏”。

Note: Our premium Surface Slim Pen 2 is equipped with an easily removable pen tip.Removal is intended only for pen tip replacement. Excessive (500 or more) removal+ reinsertion cycles of the pen tip can damage the internal parts of the pen and lead to inking failures.

Look up a forgotten username using other information. Look up your username using your security contact phone number or email address. Search

Learn more about updates for Windows 10 version 1903, including improvement and fixes, any known issues, and how to get the update.

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.

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了解如何升级Windows 10 家庭版Windows 10 专业版访问更高级的安全性和网络功能。

This article describes the formula syntax and usage of the ROUNDUP function in Microsoft Excel.. Description. Rounds a number up, away from 0 (zero). Syntax. ROUNDUP(number, num_digits)