使用 Microsoft 登录
登录或创建帐户。
你好,
使用其他帐户。
你有多个帐户
选择要登录的帐户。
Defragment your Windows 10 PC - Microsoft Support
Windows 10. Optimizing your drives can help your PC run smoother and boot up faster. To optimize them: Select the search bar on the taskbar and enter defrag. Select Defragment and Optimize Drives. Select the disk drive you want to optimize. Select the Optimize button.
发送电子邮件时,我收到 550、553 或中继禁止的错误 ...
SMTP 服务器必须连接到另一个 SMTP 服务器才能中继邮件。. 发送遇到中继错误的电子邮件时,SMTP (传出) 电子邮件服务器可能会返回电子邮件,其中包含如下错误消息之一:. “邮件无法发送,因为其中一个收件人被服务器拒绝。. 被拒绝的电子邮件地址为“< someone ...
适用于: Microsoft 365 专属 Outlook, Outlook 2021, Outlook 2019, Outlook 2016, Outlook 2013
使用 Windows 更新 修复电脑问题 - Microsoft 支持
若要使用 Windows 更新 修复问题,请使用:. 选择“ 启动 > 设置 > 系统 > 恢复 > 使用Windows 更新解决问题”。. 选择“ 立即重新安装” 选项后,选择是否允许电脑在安装完成后 15 分钟自动重启。. 准备好开始安装时,选择“ 确定 ”。. 重新安装会将你带到 “设置 ...
如何更正 #溢出! 错误 - Microsoft 支持
当溢出的数组公式的溢出范围不为空时,会发生此错误。 选择公式以显示指示预期溢出范围的虚线边框。 通过选择公式,将显示错误检查警报。 选择“检查错误”警报,然后选择 “选择阻碍单元格 ”选项,立即将阻塞单元格 。 然后,可以通过删除或移动阻碍单元格的条目来清除错误。
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 for iPad, Excel Web App, Excel for iPhone, Excel for Android 平板电脑版, Excel for Android 手机版
How do I use the BIOS/UEFI on Surface Pro 3 and earlier devices
The UEFI settings can be adjusted only during system startup. To load the UEFI firmware settings menu: Shut down your Surface. Press and hold the volume-up button on your Surface and at the same time, press and release the power button. When you see the Surface logo, release the volume-up button. The UEFI menu will display within a few seconds.
SUMIF function - Microsoft Support
sum_range Optional.The actual cells to add, if you want to add cells other than those specified in the range argument. If the sum_range argument is omitted, Excel adds the cells that are specified in the range argument (the same cells to which the criteria is applied).. Sum_range should be the same size and shape as range.If it isn't, performance may suffer, and the formula will sum a range of ...
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
联系我们 - Microsoft 支持部门
联系 Microsoft 支持人员。查找常见问题的解决方案,或从支持专员那里获取帮助。 我们将首先向你显示自助选项。其他帮助也可提供,包括与 Microsoft 专家的实时聊天。
Create a PivotTable to analyze worksheet data - Microsoft Support
Get from External Data Source. Get from Data Model. Use this option if your workbook contains a Data Model, and you want to create a PivotTable from multiple tables, enhance the PivotTable with custom measures, or are working with very large datasets.. Get from Power BI. Use this option if your organization uses Power BI and you want to discover and connect to endorsed cloud datasets you have ...
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
Transpose (rotate) data from rows to columns or vice versa
You can convert the table to a range first, or you can use the TRANSPOSE function to rotate the rows and columns. Here’s how to do it: Select the range of data you want to rearrange, including any row or column labels, and press Ctrl+C. Note: Ensure that you copy the data to do this, since using the Cut command or Ctrl+X won’t work.
适用于: Microsoft 365 专属 Excel, Excel 网页版, Excel 2021, Excel 2019, Excel 2016
Welcome to your Outlook calendar - Microsoft Support
See different calendars. To see different calendars side-by-side, select and open one under My Calendars. With different calendars open, select the arrow on each calendar to overlay them and see when everyone's available. Select Today to go back to the current day.
适用于: Microsoft 365 专属 Outlook, Outlook 2021, Outlook 2019, Outlook 2016