When numbers are actually stored in cells as text, problems with calculations or sorting can occur. Read this article to learn how to fix this problem.

如何激活预安装在新 Windows 10 计算机上的 Office 或使用新的产品密钥。

If you change your country or region for Microsoft Store, stuff you got in one region might not work in another.

The IFS function checks whether one or more conditions are met and returns a value that corresponds to the first TRUE condition. IFS will allow you to include up to 127 pairs of conditions (the test if something is True and the result if something is true). IFS can take the place of multiple nested IF statements.

Next steps. After you register your personal device to your organization's network, you should be able to access most of your resources. If your organization wants you to join your work device, see Join your work device to your organization's network.

升级不同于更新，因为它会将电脑从上一版本的 Windows（如 Windows 10）升级到 Windows 11。 本常见问题解答旨在解决有关升级到 Windows 11 的问题。

了解如何使用别名更改 Microsoft 帐户电子邮件地址或电话号码以登录到 Microsoft 帐户。

Learn how to create survey forms with Microsoft Forms and easily share them with students, parents, and colleagues.

Learn how to use Narrator, a screen-reading app built into Windows, with this complete guide and how-to articles.

Describes how to use the clean boot process to troubleshoot a problem in Windows 8.1, Windows 8, Windows 7, or Windows Vista.