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.
View, manage, and install add-ins for Excel, PowerPoint, and Word
When you enable an add-in, it adds custom commands and new features to Microsoft 365 programs that help increase your productivity. Because add-ins can be used by attackers to do harm to your computer, you can use add-in security settings to help protect yourself.
Applies To: Excel for Microsoft 365, Word for Microsoft 365, PowerPoint for Microsoft 365, Excel for Microsoft 365 for Mac, Word for Microsoft 365 for Mac, PowerPoint for Microsoft 365 for Mac, Excel for the web, Word for the web, PowerPoint for the web, Excel 2021, Word 2021, PowerPoint 2021, Excel 2021 for Mac, Word 2021 for Mac, PowerPoint 2021 for Mac, Excel 2019, Word 2019, PowerPoint 2019, Excel 2019 for Mac, Word 2019 for Mac, PowerPoint 2019 for Mac, Excel 2016, Word 2016, PowerPoint 2016, InfoPath 2013
Xbox Status | Xbox Support
Check the Xbox services, games, and apps for any service outages.
使用 Windows 照片应用管理照片和视频 - Microsoft 支持
选择“设置”,然后在“关于”部分下,选择“关于照片”。. 照片: 在设置的“关于”部分显示“更新”,即你正在运行新版本的“照片”应用。此版本包括左侧导航栏中的 iCloud 集成等功能。 此版本的 Windows 照片应用提供了一种方便且用户友好的方法来在 Windows 设备上 查看、 导入、 整理 ...
How to check if your device meets Windows 11 system requirements after ...
This article applies if you’ve recently made changes to your device hardware and are trying to upgrade to Windows 11. Hardware changes might affect your upgrade eligibility, though you’ll need to take a few steps to see your updated eligibility in Settings.
Using IF with AND, OR, and NOT functions in Excel
IF A4 (25) is greater than 0, OR B4 (75) is less than 50, then return TRUE, otherwise return FALSE. In this case, only the first condition is TRUE, but since OR only requires one argument to be true the formula returns TRUE. ... If A3 is greater than B2 AND A3 is less than C2, format the cell, otherwise do nothing. =OR(A4>B2,A4<B2+60)
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, Excel Web App, Excel for Windows Phone 10
在 Windows 中如何获取帮助 - Microsoft 支持
以下是查找 Windows 帮助的多种不同方法: 搜索帮助 - 在任务栏上的搜索框中输入问题或关键字,以查找应用、文件和设置并从 Web 获取帮助。
Microsoft Edge のヘルプとラーニング
Microsoft Defender SmartScreen はフィッシングやマルウェアのサイトやソフトウェアからセキュリティを保護し、ダウンロードに関して情報に基づく意思決定を下すのに役立ちます。. 詳細情報. コレクションを使用すると、Web 上でアイデアを追跡できます ...
Find settings in Windows - Microsoft Support
Find settings in Windows. Find your Windows settings in a snap! Select the Start button, then select Settings . From there, browse the categories or use search to find what you're looking for. Most apps have their own settings. In the app, select Settings to make app-specific changes. Learn how to make Windows easier to see and easier to hear .
恢复Windows 10上丢失的文件 - Microsoft 支持
恢复Windows 10上丢失的文件. 如果无法 从备份中找到丢失的文件 ,则可以使用 Windows File Recovery,这是 Microsoft Store 提供的命令行应用。. 使用此应用尝试恢复已从本地存储设备中删除的丢失文件, (包括内部驱动器、外部驱动器和 USB 设备) 且无法从回收站还原 ...
重新安装 Windows - Microsoft 支持
使用安装介质重新安装Windows 11. 将创建的安装媒体连接到电脑,然后重新安装Windows 11。. 打开“ 文件资源管理器 ” ,然后选择安装介质所在的驱动器。. 在驱动器的根目录中,双击 setup.exe,然后在系统询问你是否允许应用对你的设备进行更改时选择“ 是 ...