了解文件扩展名是什么、Windows 中有哪些常见的扩展名，以及如何在“文件资源管理器”中查看它们。

The OR function returns TRUE if any of its arguments evaluate to TRUE, and returns FALSE if all of its arguments evaluate to FALSE.. One common use for the OR function is to expand the usefulness of other functions that perform logical tests. For example, the IF function performs a logical test and then returns one value if the test evaluates to TRUE and another value if the test evaluates to ...

This article is for people who want to control their PC and author text using their voice with Windows. This article is part of the Accessibility support for Windows content set where you can find more information on Windows accessibility features. For general help, visit Microsoft Support home. To complete the initial set up voice access in Windows, you need an internet connection.

Support reading and writing by using Immersive Reader to customize how word documents appear while you read and edit. Immersive Reader provides options for a comfortable and easy to process experience by allowing you to listen to the text read aloud or adjust how text appears by modifying spacing, color and more.

For volume license versions of Project or Visio, use the Office Deployment Tool (ODT) to install a Click-to-Run version. If you have a volume license for Project 2016 or Visio 2016 and you’re trying to install the Click-to-Run version of Microsoft 365 Apps for enterprise, you can use the Office Deployment Tool to download and install the Click-to-Run perpetual (stand-alone) versions of ...

若要关闭，请选择" 启动"， 然后选择" 电源 > 关闭"。 睡眠. 睡眠使用非常少的电源，你的电脑启动速度更快，你可以立即返回到你离开的地方。 不必担心因电池耗尽而丢失工作，因为如果电量不足，Windows自动保存所有工作并关闭电脑。

Kontaktieren Sie den Microsoft-Support. Suchen Sie nach Lösungen für häufige Probleme, oder erhalten Sie Hilfe von einem Supportmitarbeiter.

The Xbox app on PC relies on two Microsoft accounts: the Microsoft Store account, and the Xbox account (your PC gaming account). The Microsoft Store account provides access to owned games, subscription benefits, and other Xbox app purchases made by that account. The Xbox account is used for game streaming access, in-game purchases, achievements, and friends.

若要手动选择主题色，请在“ 最近使用的颜色 ”或“ Windows 颜色”下选择一种主题色，或选择“ 自定义颜色 ”以获取更详细的选项。或者选择“ 从背景中自动选取主题色 ”框，让 Windows 选择该颜色。你选择的主题色将有助于偏移和补充浅色模式。

Prevents Windows Update from performing driver installations and sending restart notifications; Helps achieve a more stable frame rate depending on the specific game and system