Why some files won't open in Internet Explorer. Internet Explorer uses add-ons such as Adobe Reader to view some files in the browser. If a file that needs an add-on won't open, you might have an older version of the add-on, which needs to be updated.

选择要打印每页的页数： 在一张纸上打印多页是一种有用的技术，可节省纸张、降低打印成本并创建文档的紧凑版本。 可在单张纸上打印的页数取决于打印机的功能和所选打印选项 (示例：每张) 1、2、4、6、9 或 16 页。

Windows 10, version 2004 and Windows Server, version 2004 update history; End of service statement; December 14, 2021—KB5008212 (OS Builds 19041.1415, 19042.1415, 19043.1415, and 19044.1415)

In the Focus assist settings, you can limit late-night notifications using the Automatic rules section. To do that, select During these times and turn on the toggle. Then, select Start time or End time, pick a time, and select the check mark to save your changes. You can also choose what days you want to apply the rule, and what types of notifications you'd still like to receive during the ...

若要在电子邮件或会议邀请中吸引某人的注意，请在邮件或邀请中键入 @ 符号，后跟其姓名。 这样做将突出显示其姓名，并提示 Outlook 将其添加到“To”行，确保他们注意到，并在收件箱的邮件旁边添加 @ 符号。

具有音频和视频功能的功能。 许多作为 Windows 一部分的功能可用于查看或播放视频或音频内容。 下面是一些示例：OneNote 应用 (允许用户录制或播放音频) 、Microsoft Edge Web 浏览器 (允许用户在 Internet) 、照片应用、OneDrive 应用等上播放音频和视频内容。

Where can I find my BitLocker recovery key? BitLocker likely ensured that a recovery key was safely backed up prior to activating protection. There are several places that your recovery key may be, depending on the choice that was made when activating BitLocker:

Windows 11 版本 23H2; 2024 年 7 月 9 日 - KB5040442（OS 内部版本 22621.3880 和 22631.3880） 2024 年 6 月 25 日 - KB5039302（OS 内部版本 22621.3810 和 22631.3810）预览

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We believe that Microsoft Teams (free) is a place where minors can interact safely to build on friendships and meaningful community. We also know that keeping online experiences safe and positive involves more than building in permission settings and controls.