Sign in with Microsoft
Sign in or create an account.
Hello,
Select a different account.
You have multiple accounts
Choose the account you want to sign in with.
Uninstall or remove apps and programs in Windows
Uninstall from the Start menu. Select Start > All apps and search for the app in the list shown.
What to do if Microsoft Edge isn't working - Microsoft Support
Here are some solutions to common problems with the new Microsoft Edge . If Microsoft Edge keeps crashing. If you can't open Microsoft Edge, or if it opens briefly and then closes, or if you’re unable to open specific webpages, here are some things you can try.
Create a simple formula in Excel - Microsoft Support
You can create a simple formula to add, subtract, multiply or divide values in your worksheet. Simple formulas always start with an equal sign (=), followed by constants that are numeric values and calculation operators such as plus (+), minus (-), asterisk (*), or forward slash (/) signs.The following is an example of a simple formula.
Applies To: Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016
在 Microsoft Teams 中加入会议 - Microsoft 支持
如需了解详细信息,请观看加入 Teams 会议视频。. 通过链接加入. 只需通过一个连接即可加入 Teams 会议。 在会议邀请中选择“ 立即加入会议”,将其带到一个页面,你可以在其中选择加入 Web 或下载桌面应用。 如果你已拥有 Teams 应用,会议将自动打开。
Applies To: Microsoft Teams
欢迎使用 Windows
获取 Windows 操作系统的官方支持和帮助信息,以及如何使用 Windows 的指南。
Count numbers or dates based on a condition - Microsoft Support
To count numbers or dates that meet a single condition (such as equal to, greater than, less than, greater than or equal to, or less than or equal to), use the COUNTIF function. To count numbers or dates that fall within a range (such as greater than 9000 and at the same time less than 22500), you can use the COUNTIFS function. Alternately, you can use SUMPRODUCT too.
Applies To: Excel for Microsoft 365, Excel 2021, Excel 2019, Excel 2016
使用 VLOOKUP、INDEX 或 MATCH 查找值 - Microsoft 支持
使用 vlookup、hlookup 和其他函数(如 index 和 match)根据您输入的值搜索和查找数据。 本文将让您快速回顾 vlookup,然后链接到更多内容。
Applies To: Excel for Microsoft 365, Excel for the web, Excel 2021, Excel 2019, Excel 2016
How to use the Out of Office or Automatic Reply in Outlook on Windows ...
Before you set up an out of office or automatic reply in Outlook, you'll need to know your Outlook account type. The steps you'll follow will depend on whether you have a Microsoft Exchange Outlook email account (if you have email through an organization, such as the place where you work) or an IMAP or POP3 account (if you have an individual email account such as Yahoo or Gmail).
Product activation for Windows – online & support telephone numbers
To activate Windows 11 using an internet connection: As Windows 11 will automatically activate if you are connected to the internet, you can confirm your activation status by selecting Start > Settings > System > Activation and looking under Windows.. If online activation fails, first try the activation troubleshooting in Activate Windows.. To activate Windows 11 by phone:
Analyze Data in Excel - Microsoft Support
Analyze Data in Excel empowers you to understand your data through high-level visual summaries, trends, and patterns. Simply click a cell in a data range, and then click the Analyze Data button on the Home tab. Analyze Data in Excel will analyze your data, and return interesting visuals about it in a task pane.
Applies To: Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel for the web