Select the Start button, then go to Settings > Personalization > Lock screen, and select Screen saver settings.In the Screen Saver Settings window, choose a screen saver from the drop-down list. Change your screen saver settings

重点收件箱. 重点收件箱可帮助你关注最重要的电子邮件。 它将收件箱分隔为两个选项卡 - “重点”和“其他”。 如果邮件不是按你喜欢的方式排序，则可以移动它们并设置来自该发件人的后续邮件的传送位置。

重要: 在选择从媒体启动之前，应验证设备是否满足最低系统要求，因为满足后才允许安装 Windows 11，如果你至少具有 TPM 1.2（而不是最低系统要求的 TPM 2.0），它将不会根据处理器的系列和模型验证处理器是否在批准的 CPU 列表上。

本文介绍 Microsoft Excel 中 SUBSTITUTE 函数的公式语法和用法。. 说明. 在文本字符串中用 new_text 替换 old_text。 如果需要在某一文本字符串中替换指定的文本，请使用函数 SUBSTITUTE；如果需要在某一文本字符串中替换特定位置处的任意文本，请使用函数 REPLACE。

How does multifactor authentication work? Let's say you're going to sign into your Microsoft account or work or school account, and you enter your username and password.If that's all you need then anybody who knows your username and password can sign in as you from anywhere in the world!

Who can use Microsoft Forms? Microsoft Forms is generally available to Office 365 Education customers, Microsoft 365 Apps for business customers, and users with a Microsoft account (Hotmail, Live, or Outlook.com). Learn more.. Get started quickly. Sign in to Microsoft Forms with your Microsoft 365 work or school account, or your Microsoft account (Hotmail, Live, or Outlook.com), and then learn ...

Dictation lets you use speech-to-text to author content in Microsoft 365 with a microphone and reliable internet connection. It's a quick and easy way to get your thoughts out, create drafts or outlines, and capture notes.

当你注册 Microsoft 帐户或向帐户添加电子邮件地址时，我们将自动向该电子邮件发送请求以验证我们具有的地址正确无误。

After you create a chart, you might want to change the way that table rows and columns are plotted in the chart. For example, your first version of a chart might plot the rows of data from the table on the chart's vertical (value) axis, and the columns of data on the horizontal (category) axis.

Most apps have their own settings—look for a gear icon in the app.. Note: For some apps, you'll need to select the More icon before selecting the Settings icon.