Create a field validation rule. Select the field that you want to validate. On the Table Fields tab, in the Field Validation group, click Validation, and then click Field Validation Rule.. Use the Expression Builder to create the rule. For more information about using the Expression Builder, see the article Use the Expression Builder.. Create a message to display for field input that is not valid

Microsoft 365 商业版. 如果你的 Microsoft 365 产品是以下之一，则你拥有 Microsoft 365 商业版 产品。 这些产品通常与工作或学校帐户相关联，且 Microsoft 365 许可证（如果你的订阅拥有一个许可证）来自你工作的组织或所在学校。

準備安裝了嗎？ 開始之前，請確定您的PC或Mac符合 系統需求。. 如果您已兌換產品密鑰，只要重新安裝應用程式，或是知道您已透過公司或學校指派授權，您可以跳到登入以 下載並安裝 Microsoft 365 或 Office 一節。 不過，如果這是您 第一次 安裝 Microsoft 365或 Office，您可能需要先執行一些步驟。

The COUNT function counts the number of cells that contain numbers, and counts numbers within the list of arguments. Use the COUNT function to get the number of entries in a number field that is in a range or array of numbers. For example, you can enter the following formula to count the numbers in the range A1:A20: =COUNT(A1:A20).In this example, if five of the cells in the range contain ...

* Microsoft 365, Surface Pen, and some software and accessories sold separately. [1] Surface Book 2 battery life: Surface Book 2 13.5”: Up to 17 hours of video playback. Testing conducted by Microsoft in October 2017 using preproduction Intel® Core™ i5, 256GB, 8 GB RAM device.

注意: 如果无法识别帐户上的费用，现在可以在 Microsoft 帐户仪表板的“管理付款”页面上进行调查。 了解详细信息。. 若要下载新游戏， 请打开 Microsoft Store。 若要下载已购买的应用和游戏，请转到 订单历史记录。. 捆绑销售包内的单个项目不可退还。

What is a Microsoft account used for? You need a Microsoft account to sign in to your Windows pc, Xbox console, or any of Microsoft’s products and services, including Office, Outlook.com, OneDrive, Xbox Live, Microsoft 365, Family Safety, Skype, Bing, Microsoft Store and MSN.

概要. 本文涵盖了 Windows 中由“设备管理器”生成的错误代码。 你可能由于“设备管理器”或其他工具（如 DXDiag）报告了错误代码，而且你不知道如何解决，而访问过这篇文章。

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Add a section break. Select where you want a new section to begin. Go to Layout > Breaks.. Choose the type of section break you want: Next Page Section break starts the new section on the following page.. Continuous Section break starts the new section on the same page.This type of section break is often used to change the number of columns without starting a new page.