Use Microsoft Teams on the web - Microsoft Support
Find Teams on the web at https://teams.microsoft.com.. To use Teams, you need a Microsoft 365 account with a Business or Enterprise Microsoft 365 license plan. For more information, see How do I get access to Microsoft Teams?. For information about supported browsers for Teams on the web, see Web clients for Microsoft Teams.
Applies To:
Microsoft Teams
Tải xuống và cài đặt hoặc cài đặt lại Microsoft 365 hoặc Office 2021 ...
Bạn đã sẵn sàng cài đặt? Trước khi bạn bắt đầu, hãy đảm bảo PC hoặc máy Mac của bạn đáp ứng các yêu cầu hệ thống.. Nếu bạn đã quy đổi khóa sản phẩm, bạn chỉ cần cài đặt lại các ứng dụng hoặc bạn biết mình đã được gán giấy phép thông qua cơ quan hoặc trường học, bạn có thể bỏ qua và ...
Applies To:
Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Admin, Microsoft 365 for Mac, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin, Office.com
COUNTIF function - Microsoft Support
Argument name. Description. range (required). The group of cells you want to count. Range can contain numbers, arrays, a named range, or references that contain numbers. Blank and text values are ignored. Learn how to select ranges in a worksheet.. criteria (required). A number, expression, cell reference, or text string that determines which cells will be counted.
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
Account has been locked - Microsoft Support
We won't use or give out the phone number, and the code sent to it will expire after 10 minutes. This means you could use a friend or work colleague's phone without compromising your account security. The quickest way to get your account unlocked is by requesting and entering a security code online. If you haven’t tried unlocking your account ...
Office Help & Training
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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：
Microsoft Edge help & learning
What to do if Microsoft Edge isn't working. Experience AI-powered browsing with the new Bing built-in. Get comprehensive answers, summarized information, and find inspiration side-by-side in Microsoft Edge. Click “Try now” below to get started with your AI-powered copilot for the web.
Создание установочного носителя для Windows
usb-устройство флэш-памяти, внешний жесткий диск или dvd-диск. Пустое usb-устройство флэш-памяти или внешний жесткий диск объемом не менее 8 ГБ либо пустой dvd-диск (и устройство для записи на dvd-диски).
Reactivating Windows after a hardware change - Microsoft Support
If you don't have a digital license or product key. If you don't have a product key or digital license, you can purchase a Windows 10 digital license after installation finishes. Follow these steps to make a purchase: Select the Start button, then select Settings > Update & Security > Activation .
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.