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激活 Windows - Microsoft 支持
若要在 Windows 11 中检查激活状态,请选择“开始 ”按钮,然后选择“设置 > 系统 ” ,然后选择“激活 ”。 。 激活状态将在“激活”旁边列出。 在“设置”中检查激活状态. 你将在“激活”页面上看到以下一条激活状态消息:
First things to know about teams in Microsoft Teams
A team is a group of people gathered to get something big done in your organization. Sometimes it’s your whole organization.. Teams are made up of channels, which are the conversations you have with your teammates.Each channel is dedicated to a specific topic, department, or project. For example, the Mark 8 Project team has General, Design, Digital Assets Web, Go to Market Plan, and Research ...
Applies To: Microsoft Teams
Edit a PDF - Microsoft Support
To edit a PDF, open it in Word. This works best with PDFs that are mostly text. PDFs of book chapters or something that looks like a manuscript from a copier won't be formatted well in Word.
Applies To: Word for Microsoft 365, Word 2021, Word 2019, Word 2016
I can't send or receive messages in Outlook - Microsoft Support
On the Outlook status bar, if you see Disconnected, Working Offline, or Trying to connect…, then Outlook can't reach the email server to send your mail.. To fix this problem, on the ribbon, select the Send/Receive tab, then, in the Preferences group, select Work Offline to toggle between offline mode and online mode.You may need to open the message and send it again or choose Send/Receive.
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Outlook 2013, Microsoft 365 admin
FILTER function - Microsoft Support
The FILTER function allows you to filter a range of data based on criteria you define.
Applies To: Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel for the web, Excel 2021, Excel 2021 for Mac, Excel for iPad, Excel for iPhone, Excel for Android tablets, Excel for Android phones
About Windows backup and sync settings - Microsoft Support
To find Sync settings, select Start , then select Settings > Accounts > Sync your settings . Choose from settings such as language preferences, passwords, and color themes. If you turn on Other Windows settings, Windows also syncs some device settings (for things like printers and mouse options), File Explorer settings, and notification preferences.
Applies To: Microsoft account dashboard
Send feedback to Microsoft with the Feedback Hub app
Tip: If you encounter a problem on your Windows device, pressing the Windows logo key + F takes a screenshot, then opens the Feedback Hub app and automatically uploads the screenshot to the Feedback tab. Follow the on-screen instructions to detail the problem you've encountered.
LINEST function - Microsoft Support
The accuracy of the line calculated by the LINEST function depends on the degree of scatter in your data. The more linear the data, the more accurate the LINEST model.LINEST uses the method of least squares for determining the best fit for the data. When you have only one independent x-variable, the calculations for m and b are based on the following formulas:
Applies To: Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel for the web, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016
Add or remove an email alias in Outlook.com - Microsoft Support
To get support in Outlook.com, click here or select Help on the menu bar and enter your query. If the self-help doesn't solve your problem, scroll down to Still need help? and select Yes.. To contact us in Outlook.com, you'll need to sign in.
Applies To: Outlook.com
Microsoft Support
Microsoft support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows, Surface, and more.