Change your default browser in Windows - Microsoft Support
Use the Windows Settings app to change your default browser.
Install Office 2010 - Microsoft Support
Learn how to install Office 2010, or install and remove individual Office programs or components for both 32-bit and 64-bit versions of Office.
适用于: Excel 2010, Word 2010, Outlook 2010, PowerPoint 2010, OneNote 2010, Office 2010, Office.com
Fix printer connection and printing problems in Windows
Check the cables (for wired printers). Make sure that the printer's USB cable is properly connected from the printer to your PC. If your USB isn’t recognized, see Automatically diagnose and fix Windows USB problems. Check the wireless connection (for wireless printers).Do one of the following:
Find the Recycle Bin - Microsoft Support
Note: If you are in tablet mode, desktop icons are not displayed.To see your desktop icons in tablet mode, go to Start > Settings > System > Tablet, then select Change additional tablet settings.Under When I'm using tablet mode, make sure that Hide app icons on the taskbar and Automatically hide the taskbar are both set to Off.
Create a drop-down list - Microsoft Support
After you create your drop-down list, make sure it works the way you want. For example, you might want to check to see if Change the column width and row height to show all your entries.. If the list of entries for your drop-down list is on another worksheet and you want to prevent users from seeing it or making changes, consider hiding and protecting that worksheet.
适用于: Microsoft 365 专属 Excel, Microsoft 365 Mac 版专属 Excel, Excel 网页版, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016
Add or subtract dates - Microsoft Support
Add or subtract months from a date with the EDATE function. You can use the EDATE function to quickly add or subtract months from a date.. The EDATE function requires two arguments: the start date and the number of months that you want to add or subtract. To subtract months, enter a negative number as the second argument.
适用于: Microsoft 365 专属 Excel, Excel 网页版, Excel 2021, Excel 2019, Excel 2016
Combine text from two or more cells into one cell
Select the cell you want to combine first. Use commas to separate the cells you are combining and use quotation marks to add spaces, commas, or other text.
适用于: Microsoft 365 专属 Excel, Microsoft 365 Mac 版专属 Excel, Excel 网页版, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016, Excel Mobile
访 ...
从 Windows 11 版本 22H2 开始,默认情况下,已知 Windows 文件夹(桌面、文档、下载、图片、音乐和视频)在“主页”和左侧导航窗格中的“快速访问”中 文件资源管理器都以固定文件夹的形式提供。这些默认文件夹不再显示在“此电脑”下,以使视图专注于电脑的驱动器和网络位置。
Contact - Microsoft Support
Get in touch with Microsoft Support for assistance with Microsoft products and services.
PIN - Microsoft
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。