如果无法更改密码. 如果无法以这种方式更改密码，请参阅重置 Microsoft 帐户密码。. 需要更多帮助吗？ 请联系支持人员. 有关技术支持，请转到联系Microsoft 支持，输入问题并选择“获取帮助”。 如果仍然需要帮助，请选择“联系支持人员”以转至最佳支持选项。

如果你忘记了 PIN 并需要重置它，可以从 Windows 登录屏幕进行重置。 查看 PIN 文本框下方： 如果看到 我忘记了 PIN ，请选择它，然后按照说明重置 PIN。 如果设备上有多个帐户，请选择需要重置的帐户。

Make the everyday easier with Windows 11. When there's a lot to do, Windows 11 helps you get it done. With intuitive navigation and new multitasking tools, it brings you the performance you want and the security you need.

Add your work or school account. On your computer, note the Code and Url information on the Configure mobile app page.Keep this page open so you can see the code and URL.

Functions LOOKUP() The LOOKUP function finds a value in a single row or column and matches it with a value in the same position in a different row or column. The following is an example of LOOKUP formula syntax: =LOOKUP(Lookup_Value,Lookup_Vector,Result_Vector) The following formula finds Mary's age in the sample worksheet:

Disable all macros except digitally signed macros Macros are disabled, and security alerts appear if there are unsigned macros present.However, if the macro is digitally signed by a trusted publisher, the macro just runs. If the macro is signed by a publisher you haven't trusted yet, you are given the opportunity to enable the signed macro and trust the publisher.

Microsoft 365 provides powerful tools to help organize you and your family's lives. Empower you and your family through the Microsoft 365 Family subscription and learn how to create family calendars, share notes with a family notebook on OneDrive, and connect with your family on Microsoft Teams.

如何在 Excel 中将两个或多个单元格中的文本或数据合并为一个单元格。

In Outlook, the default font is 11-point Calibri in black. It's used when you compose new email messages. You can change the default font and its color, size, and style — such as bold or italic.

Change Internet Explorer settings. There are many changes you can make to customize your browsing experience in Internet Explorer. To view all settings and options, open Internet Explorer on the desktop, select Tools > Internet options.. Reset Internet Explorer settings