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.
How to enable JavaScript in Windows - Microsoft Support
For the website(s) you would like to allow scripting, enter the address within the Add this website to the zone text box and click Add. Note: If the address does not begin with "https:", you many need to uncheck "Require server verification (https:) for all sites in this zone".
Upgrade to Windows 10: FAQ - Microsoft Support
An upgrade moves your PC from a previous version of Windows—such as Windows 7 or Windows 8.1—to Windows 10. An upgrade can take place on your existing device, though Microsoft recommends using Windows 10 on a new PC to take advantage of the latest features and security improvements.
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:
使用“Microsoft照片”应用管理照片和视频 - Microsoft 支持
iPhone 说明:如果 iPhone 导入时遇到问题,请确保设备已解锁,并且已接受权限。 适用于 Android 和其他设备的注意事项: 如果你使用的是 Android 手机或其他设备,并且导入不起作用,则可能需要将手机的 USB 设置从“通过 USB 充电”更改为“传输文件”或“传输照片”。
Download the new Microsoft Edge based on Chromium
The new Microsoft Edge is based on Chromium and was released on January 15, 2020. It is compatible with all supported versions of Windows, and macOS. With speed, performance, best in class compatibility for websites and extensions, and built-in privacy and security features, it's the only browser you'll ever need.
Premium features in Outlook.com for Microsoft 365 subscribers
Advanced email security. As a Microsoft 365 subscriber, you get enhanced security tools that help protect your inbox from phishing and malware.
Applies To: Outlook 2021, Outlook 2021 for Mac, Outlook 2019, Outlook 2019 for Mac, Outlook 2016, Outlook 2013, Outlook.com, Outlook for Android, Outlook for iOS, Outlook for Windows Phone 10, Outlook Mail for Windows 10
Excel video training - Microsoft Support
A list of Excel training, from entry level to advanced skills, plus templates and other resources.
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 2016
Help with Microsoft Store purchases - Microsoft Support
Country/region. Microsoft Store sales support. Technical or download support. Egypt +20 2 353 3333. Technical support. South Africa. 0800 167 344. Technical support
Applies To: Microsoft account dashboard
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。
CONCATENATE function - Microsoft Support
Problem. Description. Quotation marks appear in result string. Use commas to separate adjoining text items. For example: Excel will display =CONCATENATE("Hello ""World") as Hello"World with an extra quote mark because a comma between the text arguments was omitted.
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