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。

A workbook is a file that contains one or more worksheets to help you organize data. You can create a new workbook from a blank workbook or a template. By default, a new workbook contains three worksheets, but you can change the number of worksheets that you want a new workbook to contain. You can also add and remove worksheets as needed.

Learn how to get Windows Media Player 12 for Windows 10, Windows 8.1, and Windows 7.

Install Office 2007. Insert your Office 2007 CD into the drive. If the setup wizard doesn’t start automatically, navigate to the CD drive and click SETUP.EXE.

Set up headers and footers to provide different content for different sections of a document.

Learn how to change settings to enable Secure Boot if you are not able to upgrade to Windows 11 because your PC is not currently Secure Boot capable.

The TEXT function lets you change the way a number appears by applying formatting to it with format codes.It's useful in situations where you want to display numbers in a more readable format, or you want to combine numbers with text or symbols.

You can add an input language in Settings. Adding an input language lets you set a language-preference order for websites and apps. It also lets you change your keyboard language.

How to user form controls in Excel to make data entry easier.

When you use InPrivate tabs or windows, your browsing data isn't saved on your PC once you're done.