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Using product keys with Office - Microsoft Support
If you see a Let's get started screen with options to try, buy, or activate Office, this means that Office is installed on your new PC as a 1-month trial of Microsoft 365 Family. You won't receive a product key from your PC manufacturer unless you paid for an Office product key card. Instead, you can start a trial of Microsoft 365 Family, or buy Office.
Applies To: Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, OneNote for Microsoft 365, Publisher for Microsoft 365, Visio Plan 2, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, OneNote 2016, Project Professional 2016, Project Standard 2016, Publisher 2016, Visio Professional 2016, Microsoft 365 for home, InfoPath 2013
Microsoft Edge - Microsoft
为什么要更新到Microsoft Edge? Microsoft Edge基于Chromium,比 Internet Explorer 和 Microsoft Edge 旧版 更快、更安全、更现代的浏览体验。 有关详细信息,请参阅工作Microsoft Edge功能。 此外,Microsoft Edge将很快成为唯一支持Microsoft 365 Web 应用和服务的 Microsoft 浏览器。
_xlfn. - Microsoft
症状. _xlfn。 prefix 显示在公式中的函数前面。 计算公式时,会显示 #NAME? 。 原因. Excel 工作簿包含当前运行的 Excel 版本中不支持的函数。
Applies To: Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel for the web, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016
May 29, 2024KB5037853 (OS Builds 22621.3672 and 22631.3672) Preview
Windows 11, version 23H2 ; July 25, 2024—KB5040527 (OS Builds 22621.3958 and 22631.3958) Preview; July 9, 2024—KB5040442 (OS Builds 22621.3880 and 22631.3880)
Microsoft .NET Framework Repair Tool is available
The tool may make one or more changes to the installed version of .NET Framework. For example, it may correct the state of Windows Installer on the computer, reset the discretionary access control lists (DACLs) on certain folders, or resolve issues that are related to an invalid or corrupted update registration.
Guidelines and examples of array formulas - Microsoft Support
An array formula (one that spans multiple cells) can do calculations on rows and columns of cells where you might otherwise need to use several formulas. For example, you can count the number of characters that are contained in a range of cells, sum only numbers that meet certain conditions (such as the lowest values in a range or numbers that fall between an upper and lower boundary), and sum ...
Applies To: Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016, Excel for iPad, Excel for iPhone
使 - Microsoft
本文适用于Outlook Web App,该应用由管理运行 Exchange Server 2013 或 2010 的电子邮件服务器的组织使用。 如果你使用的是 Microsoft 365 或 Exchange Server 2016 或 2019,那么你的电子邮件程序是 Outlook 网页版。 有关 Outlook 网页版的帮助,请参阅获取 Outlook 网页版帮助。
Applies To: Outlook Web App
Outlook for Windows () - Microsoft
查看密件抄送收件人. 如果你是邮件的收件人,则无法查看发件人是否添加了 密件抄送 收件人。 只有邮件的发件人可以通过打开“已发送邮件”文件夹(默认情况下,该文件夹将存储所有已发送的邮件)中的邮件来查看“密件抄送”收件人的姓名。 在“已发送邮件”文件夹中,打开已发送的邮件。
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, New Outlook for Windows
使 Windows Copilot - Microsoft
在 Microsoft,我们遵循我们的 AI 原则、负责任的 AI 标准,以及数十年来在 AI、基础和隐私保护机器学习方面的研究。 数据隐私和安全是负责任的 AI 的关键原则。 我们的目标是帮助客户负责任地使用 AI 产品,共享学习内容,并建立基于信任的合作关系。
Windows - Microsoft
在电脑上. 在“设置”中检查网络状态。打开设置 >网络和 Internet。 检查屏幕顶部的以太网连接状态。 请确保网络连接名称下面显示“已连接”。如果存在错误,例如显示“需要操作”的错误,请选择“以太网”以查看以太网连接设置。 如果一根以太网电缆不起作用,并且附近有其他以太网电缆 ...