本文介绍 WEEKNUM 函数的公式语法和用法 在 Microsoft Excel 中。. 说明. 返回特定日期的周数。 例如，包含 1 月 1 日的周为该年的第 1 周，其编号为第 1 周。 此函数可采用两种机制：

You can use any phone number that can receive text messages; it doesn’t need to be associated with your account. We won't use or give out the phone number, and the code sent to it will expire after 10 minutes.

When you make your computer a trusted device, you won't need to enter a security code each time you try to access sensitive info, like credit card information associated with your Microsoft account.

Visualizations are colors, shapes, and patterns that move to the music in Windows Media Player Now Playing mode. The Player comes with a number of visualizations, and you can download more on this page.

When you add a modern page to a site, you can add and customize web parts to build your SharePoint page. This article describes the Embed web part. You can display content on your SharePoint page from sites that allow embedding (like YouTube or Bing maps, for example).

If you have Office 2007, Skype for Business 2016 won't be fully integrated with your Office programs. For example, you won't see the presence of your co-workers when you type an email in Outlook (by "presence" I mean you won't see whether they're available, busy, or away), and you won't have a few other features.

Tip: If you encounter a problem on your Windows device, pressing the Windows logo key + F takes a screenshot, then opens the Feedback Hub app and automatically uploads the screenshot to the Feedback tab. Follow the on-screen instructions to detail the problem you've encountered.

Microsoft Authenticator backs up your account credentials and related app settings, such as the order of your accounts, to the cloud. You can then use the app to recover your information on a new device, potentially avoiding getting locked out or having to recreate accounts.

有些时候，你需要检查单元格是否为空白，通常是因为你可能不希望公式没有输入值就显示结果。 此情况下，将 IF 与 ISBLANK 函数搭配使用： =IF(ISBLANK(D2),"Blank","Not Blank")

Note: Diagnostic data may contain "personal data" as defined by Article 4 of the European GDPR, but it doesn't contain your name, your email address, or any content from your files.All diagnostic data Microsoft collects during the use of Microsoft 365 applications and services is pseudonymized, as defined in ISO/IEC 19944-1:2020, section 8.3.3.