Download Microsoft Edge from the Apple App Store and sign in with your Microsoft account.

因此 IF 语句可能有两个结果。 第一个结果是比较结果为 True，第二个结果是比较结果为 False。 IF 语句非常强大，其构成了许多电子表格模型的基础，但也是导致许多电子表格问题的根本原因。

Add or subtract months from a date with the EDATE function. You can use the EDATE function to quickly add or subtract months from a date.. The EDATE function requires two arguments: the start date and the number of months that you want to add or subtract. To subtract months, enter a negative number as the second argument.

Tips: While signing in, select Yes at the "Stay signed in?" prompt if you want to go straight to your mailbox next time (not recommended for shared computers). Alternatively, check the "Don't show this again" box and select No to be prompted for your password each time.. If you can't sign in, or have forgotten your username or password, use our sign-in troubleshooter.

Import a text file by opening it in Excel. You can open a text file that you created in another program as an Excel workbook by using the Open command. Opening a text file in Excel does not change the format of the file — you can see this in the Excel title bar, where the name of the file retains the text file name extension (for example, .txt or .csv).

Download our Formulas tutorial workbook. We've put together a Get started with Formulas workbook that you can download. If you’re new to Excel, or even if you have some experience with it, you can walk through Excel’s most common formulas in this tour.

Looking for a long-lost app or program? There are several ways you can find what you need. Select Start , and then scroll through the alphabetical list on the left (if your Start screen is set to show as full screen, select All apps, and then scroll through the list).

Make the everyday easier with Windows 11. When there's a lot to do, Windows 11 helps you get it done. With intuitive navigation and new multitasking tools, it brings you the performance you want and the security you need.

注意 若要在 Game Bar 中使用许多 Xbox 功能，包括 Xbox Social 功能，必须安装 Windows Xbox 应用。 若要使用 Xbox Social 的功能，请使用 Microsoft 帐户登录到 Game Bar。 按 Windows 徽标键 + G 打开 Game Bar，选择“设置”>“帐户”，然后选择“登录”并按照步骤进行操作。

Summary. MSN is the Microsoft information and entertainment network. MSN offers Internet subscriptions and services. This article describes how to contact MSN Customer Support.