Microsoft Edge is the browser recommended by Microsoft. Support for Internet Explorer ended on June 15, 2022. If any site you visit needs Internet Explorer 11, you can reload it with Internet Explorer mode in Microsoft Edge.

Notes: If you know your password, but just want to change it, go to account.microsoft.com Security tab, and select Change my password. If you know your username and password but they have stopped working, read My username and password have stopped working.

选择“ 幻灯片大小”，然后选择“ 标准 (4：3) ”或“ 宽屏 (16：9) ”。 当 PowerPoint 无法自动缩放内容时，它会提示你两个选项： 最大化：选择此选项以在缩放到较大的幻灯片大小时增大幻灯片内容的大小。选择此选项可能导致你的内容不能全部显示在幻灯片上。

1. Sign in with your Microsoft account. You will be prompted to Sign in with Microsoft account. If you have an existing Microsoft account on your mobile device then you will be asked to confirm your account, then click Continue.. If you don't have an existing Microsoft account on your mobile device then you will be asked to sign into your account or create a new one, then click Continue.

Learn how to run Windows Update Troubleshooter to resolve errors downloading or installing Windows updates.

在 Excel 单元格中插入静态日期或时间. 工作表中的静态值是重新计算或打开工作表时不会改变的值。 当按下如 Ctrl+; 的组合键以将当前日期插入单元格时，Excel 获取当前日期的“快照”，然后将日期插入单元格中。

Do you want to learn how to navigate Windows using keyboard shortcuts? Whether you need to switch between apps, open the command prompt, or perform any other tasks, you can find a full list of keyboard shortcuts in Windows on this webpage. Discover how to save time and improve your productivity with these handy tips.

Note: The Automatically save passwords setting has been retired with Microsoft Edge version 124 and later. Instead, Edge will offer to save your passwords each time you enter new credentials in the Edge browser. All your previously autosaved passwords will continue to be available for a seamless login.

找到来自 Web 的动态 GIF. 也可以使用“插入联机图片”或“插入剪贴画”功能在 Web 上搜索 GIF，具体取决于 PowerPoint 版本。在功能区的“</c2>插入</c0>”选项卡上，选择“插入联机图片”或“插入剪贴画”。

Learn how to manage extensions in Microsoft Edge, including adding, disabling, or removing them as needed.