If Office activation fails, you'll see Unlicensed Product or Non-commercial use / Unlicensed Product in the title bar of your Office apps, and most features of Office are disabled. To restore all features of Office, you'll need to fix the problem that's causing activation to fail.

Microsoft OneDrive 桌面通知区域、菜单栏、Windows 文件资源管理器和 macOS Finder 中的图标，可显示文件或文件夹的同步状态。 如果未看到任何桌面通知或菜单栏图标， OneDrive 可能已隐藏、未安装或未运行。 了解详细信息。

Learn how to find a Windows product key for activation, and when you'll use a digital license instead.

When you add a modern page to a site, you add and customize web parts, which are the building blocks of your page. This article describes the Organization chart web part.

The Program Install and Uninstall troubleshooter helps you automatically repair issues when you're blocked from installing or removing programs.

如果您嘗試將 Outlook.com 帳戶新增至 Outlook 或其他郵件應用程式，您可能需要 POP、IMAP 或 SMTP 設定。 您可以在下方找到它們，或是在 Outlook.com 設定 中檢視它們。 Outlook 和 Outlook.com 可能可以自動偵測您帳戶的信箱設定，但是對於其他非Microsoft帳戶，您可能需要連絡您的電子郵件提供者以取得他們的 ...

Start a draft with Copilot in Word When starting a draft with Copilot in Word, be as detailed as possible in your request. The more information you provide, the more helpful and specific Copilot can be with your draft.

About Microsoft .NET Framework 4.7.2 Microsoft .NET Framework 4.7.2 is a highly compatible, in-place update to .NET Framework 4, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, and 4.7.1. The offline package can be used in situations in which the web installer cannot be used because of a lack of Internet connectivity. This package is larger than the web installer and does not include the language ...

The LINEST function calculates the statistics for a line by using the "least squares" method to calculate a straight line that best fits your data, and then returns an array that describes the line.

摘要 许多 Internet 网站包含 JavaScript，这是一种在 Web 浏览器上运行的脚本编程语言，可使特定功能在网页上起作用。 如果已在浏览器中禁用 JavaScript，则网页的内容或功能可能会受限制或不可用。 本文介绍了在 Web 浏览器中启用 JavaScript 的步骤。 更多信息 Internet Explorer 允许 Internet 区域中的所有网站 ...