加载项为 Microsoft Excel 提供可选的命令和功能。 默认情况下，加载项在 Excel 中不立即可用，因此在某些情况下，必须首先安装和 激活这些加载项，以便您可以使用它们。 某些加载项内置于 Excel 中，例如规划求解和分析工具库。 其他一些加载项可从下载中心获取，必须先下载并安装。

Sign in to SharePoint. SharePoint is a browser-based app that you connect to through your web browser, like so: Go to office.com, and sign in to your work or school account. In the upper left corner of the window, select the app launcher > All apps > SharePoint. Tip: If you don't see the SharePoint app under All apps, use the Search box near ...

Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

Most tools and options in Microsoft Edge are available when you select Settings and more > Settings.

Note: Recovery drives created and used on machines with the April 9, 2024 security update and the revocation policy applied may be impacted.For more, see KB5025885: How to manage the Windows Boot Manager revocations for Secure Boot changes associated with CVE-2023-24932.

在“ 普通 ”视图中，在缩略图窗格中，单击要对其重新应用已更新版式的幻灯片。. 注意: 要选择多张幻灯片，请按住 Ctrl 键，然后单击每张幻灯片。. 在“ 开始 ”选项卡上的“ 幻灯片 ”组中，单击“ 版式 ”，然后选择您在“幻灯片母版”视图中更新的版式。.

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 ...

查找 Windows 7 或 Windows 8.1 的产品密钥. 卸载或重新安装 Windows 7 或 Windows 8.1 时，通常需要产品密钥。. 通常，如果购买的是实物 Windows 拷贝，产品密钥应该在标签上或者在 Windows 随附包装盒中的卡上。. 如果 Windows 已预先安装在计算机上，产品密钥应显示在设备 ...

Xbox 无线控制器快速入门指南. 安装控制器电池. 用一只手握住倒置的控制器。. 用另一只手的拇指按箭头符号上的电池门，并按箭头指示的方向移动电池门。. 按电池盒槽内显示的方向插入电池。. 启动控制器. 按控制器前面的 Xbox 按钮 。. 配对控制器. 有关如何将 ...

Here’s the list for the new Microsoft Edge and Microsoft Edge for Mac. Windows Mac. Press this key. To do this. Ctrl + Shift + B. Show or hide the favorites bar. Alt + Shift + B. Set focus on the first item in the favorites bar. Ctrl + D.