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。

Learn what you can do if you're not receiving account aign-in verification codes.

Learn how to block someone or add email addresses to the safe senders list in Outlook on the web.

Learn how to run System File Checker in Windows to check if your computer has problems with files.

Learn how to use antivirus protection in Windows Security to protect your Windows PC against malware, viruses, and other threats.

Summary. This article describes how to change keyboard layouts for the Microsoft keyboards listed in the "Applies To" section. You can configure your keyboard to use a different language or keyboard layout, such as Canadian Multilingual, Spanish, or United States-Dvorak.

Sign in to account.microsoft.com, then select Order History on your Rewards page.

How to create, edit, and run Excel macros to automate data entry and tasks.

Pin, remove, and customize in Quick access. By default, File Explorer opens to Quick Access. You can set a folder to show up in Quick access so it'll be easy to find.

To use voice typing, you'll need to be connected to the internet, have a working microphone, and have your cursor in a text box. Once you turn on voice typing, it will start listening automatically.