如何将 IF 函数 (与 Excel 中) AND、OR 和 NOT 函数结合使用，以在给定值之间进行逻辑比较。

Training: Get started with SharePoint in Microsoft 365. At office.com, sign in to SharePoint, then select the SharePoint tile.

After you've signed up for Microsoft 365, you and your employees can install your Office apps. From the admin center, select Office software.. Choose a language, and then select Install.. When prompted, select Run.. Select Yes to allow the app to make changes to your device.. The installation may take several minutes, depending on your Internet speed.

Find out how Microsoft uses activity history data to provide personalized cross-device experiences and to help improve its products and services.

Troubleshoot problems you might be having with your mouse or keyboard, or other wireless device in Windows.

如果上述步骤都不能修复你的蓝牙问题，请使用 Windows 反馈中心报告错误。 这可帮助 Microsoft 确定此问题的根本原因。

Contact Microsoft Support. What's new. Surface Pro; Surface Laptop; Surface Laptop Studio 2

Here are a few tips to help you use WordPad: To open and save files, select File, then select New to create a new document, Open to work with an existing document, or Save to save your document.(If your document doesn't have a name, WordPad will ask you to provide one.)

Get troubleshooting advice and see a list of options available for starting Windows in diagnostic modes such as safe mode.

You can resolve problems with Microsoft Authenticator by checking the tips in this article and reviewing some of the known errors.