如果要续订附带新产品秘钥的 Microsoft 365 订阅，请使用先前与已过期版本订阅关联的同一 Microsoft 帐户。 提示: 完成此操作后，每当需要安装或重新安装 Microsoft 365 或 Office 时，可以直接转到下一部分 ，登录以下载 Microsoft 365 或 Office ，然后选择选项卡以获取在电脑或 Mac 上安装的帮助。

Update Windows. In Windows 11, you decide when and how to get the latest updates to keep your device running smoothly and securely. To manage your options and see available updates, select Check for Windows updates. Or select Start > Settings > Windows Update . Here's some other info you might be looking for:

The CONCAT function combines the text from multiple ranges and/or strings, but it doesn't provide delimiter or IgnoreEmpty arguments. CONCAT replaces the CONCATENATE function. However, the CONCATENATE function will stay available for compatibility with earlier versions of Excel. Note: This feature is available on Windows or Mac if you have ...

询问有关数据的问题，而无需编写复杂的公式。. 并非在所有区域设置中都可用。. 浏览数据. 在 Excel 的帮助下，解决健康和健身目标，跟踪进展，并成为最好的自己。. 保持健康. 了解 Excel 2013 支持的结束意味着什么，并了解如何升级到 Microsoft 365。. 获取详细信息.

To sign out, go to Outlook.com. Select your account initials or account picture at the top corner of your Inbox. Select Sign out. Tips: If you don't see your picture at the top of screen, check to see if ad blocking is turned on. Sometimes this prevents the picture from showing. If you don't see see Profile or Account options, you can access ...

Open and run DxDiag.exe. This tool is used to collect info about devices to help troubleshoot problems with DirectX sound and video. A support person might ask for this info, or you might post it in a forum when you ask for help. In Windows, select Start and enter dxdiag into the search box on the taskbar. Select dxdiag from the results. In the ...

Mouse and Keyboard Center download. The Microsoft Mouse and Keyboard Center is an app that helps you make the most out of your Microsoft keyboard and mouse. Mouse and Keyboard Center helps you personalize and customize how you work on your PC. This app is not available for Windows S mode . Download the latest release of Mouse and Keyboard ...

取消链接计算机并将其重新链接到OneDrive 有助于解决一些同步问题。. 还可以使用相同的步骤将 OneDrive 移动到新位置，例如外部磁盘驱动器。. 注意: 取消链接和重新链接 OneDrive 不会丢失任何数据，本地文件夹只是在一段时间内与云断开连接。. 重新链接完成后 ...

How to redeem a gift card, Xbox download code or token. Both Microsoft and Xbox gift cards and download codes and tokens work the same way: once redeemed to your Microsoft account, you can spend your balance at Microsoft Store online, on Windows or Xbox, and you can get downloads for the latest apps, games, movies, TV shows, and Surface, Xbox, and accessories.

可以使用 Microsoft Office Excel 创建和编辑与存储在工作簿或连接文件中的外部数据源的连接。 通过使用“工作簿Connections”对话框，可以轻松管理这些连接，包括创建、编辑和删除这些连接。 Excel 工作簿中的数据可以来自两个不同的位置。 数据可以直接存储在工作簿中，也可以存储在外部数据源中 ...