Learn how to type a letter online using Word for the web. Choose a letter template for online letter writing. Edit, send or print your letter online.

Download the latest Windows update from the Windows Update page in Settings for your device when it becomes available.

Learn more about how to find all your apps and programs in the all new Windows Start menu.

使用“导出”命令并选择“导出到 PowerPoint 演示文稿”时，Word基于文档的所有汇总部分创建演示文稿。它还使用 AI 为你为演示文稿选择的设计主题添加图像、图标、视频、主题和字体。 工作原理 在 web Word 中打开要转换为演示文稿的文档。 确保它仅包含文本。

使用 Windows 中的“设置”应用通过蓝牙发送文件。 与拥有手机、笔记本电脑或平板电脑的好友共享照片、视频或其他类型文件。

Get info on how to find your IP address in Windows. Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.

Using Authenticator as a way to sign in. If you have turned on passwordless, two-step, or multi-factor authentication for your account, use the following steps to sign-in:

Use the XLOOKUP function when you need to find things in a table or a range by row. For example, look up the price of an automotive part by the part number, or find an employee name based on their employee ID. With XLOOKUP, you can look in one column for a search term, and return a result from the same row in another column, regardless of which side the return column is on.

Find out how to change your printer's status from "offline" to "online" in Windows.

LOOKUP 有两种使用方式：向量形式和数组形式 向量形式：可使用 LOOKUP 的这种形式在一行或一列中搜索值。如果要指定包含要匹配的值的区域，请使用这种形式。 例如，如果要在 A 列中向下搜索值到第 6 行。