为群聊命名. 为群组聊天命名，以帮助阐明对话的主题。 视频通话. 为视频通话打开或关闭视频。 音频呼叫. 打开或关闭音频呼叫的音频。 屏幕共享. 与群聊中的参与者共享屏幕。 查看和添加参与者. 查看参与者列表并将人员添加到组。

本文介绍 Microsoft Excel 中 XNPV 函数的公式语法和用法。. 说明. 返回一组现金流的净现值，这些现金流不一定定期发生。 若要计算一组定期现金流的净现值，请使用函数 NPV。

If you forgot your PIN and need to reset it, you can do so from the Windows sign-in screen. Look below the PIN text box: If you see I forgot my PIN , select it and follow the instructions to reset your PIN.If there are multiple accounts on the device, choose the one you need to reset.

会议前. 在 Teams 日历中，安排或编辑会议时，请使用 “添加所需与会者 ”或 “添加可选与会者 ”框搜索和邀请人员。 然后，可使用“日程安排助理”查看人员的空闲时间。 有关详细信息，请参阅 安排会议。. 还可以安排 Teams 会议并从 Outlook 邀请人员。

Info for Windows Insiders. If you’re an Insider and the current preview build isn’t working for you, select Start > Settings > System > Recovery .Next to Go back , select Go back.This won’t remove your personal files, but it’ll remove recently installed apps and drivers, and change settings back to their defaults.

To delete a page that contains text, graphics, or empty paragraphs, select the content to delete, and press Delete.You can also do this:

Learn how to update Windows to ensure your device operates smoothly and securely with the latest features.

Wait for it to find nearby printers, then locate the one you want to use, and select Add device.If you want to remove the printer later, select it, and then select Remove.

Learn how to access the Control Panel in Windows for managing your system settings and programs.

Important: The following steps apply only to devices currently running an activated copy of Windows 11 Home.If you’re not activated, we recommend you activate Windows 11 Home first. For more info, see Activate Windows.