Use AND and OR to test a combination of conditions
Use AND and OR together or with the IF function. For example, calculate who earns a commission or find data that meets multiple conditions.
Applies To:
Excel for Microsoft 365, Excel for the web, Excel 2021, Excel 2019, Excel 2016
如何登录 Outlook 网页版 - Microsoft 支持
Outlook 网页版是组织使用的基于 Web 的 Outlook 版本。你需要使用工作或学校帐户登录才能访问此基于 Web 的 Outlook 版本。 你的工作或学校帐户通常由组织中的某人分配给你。
Applies To:
Office for business, Office 365 Small Business, Outlook on the web, Outlook on the web for Exchange Server 2016
Meet Windows 11 - Microsoft Support
Make the everyday easier with Windows 11. When there's a lot to do, Windows 11 helps you get it done. With intuitive navigation and new multitasking tools, it brings you the performance you want and the security you need.
Turn on app permissions for your microphone in Windows 10
To use your microphone with apps on Windows 10, you'll need to turn on some permissions in Microphone settings. Then, you'll need to check your app permissions if you want to use your microphone with apps.
Make Start full screen - Microsoft Support
Learn how to change the size of the Start menu in Windows to show more of your apps, and even make it full-screen.
为 Windows 10 创建 ISO 文件 - Microsoft 支持
为 Windows 10 创建 ISO 文件. 与以前版本的 Windows 不同的是，你需要使用媒体创建工具来创建用于安装 Windows 10 的 ISO 文件。
在 Microsoft Edge 中打开 Adobe Flash - Microsoft 支持
了解如何在 Microsoft Edge 中启用 Adobe Flash。
View your system info - Microsoft Support
Find out how to view your system information on Microsoft Support, including hardware and operating system details.
在 Microsoft Teams 中新增或邀請組織外部人員加入聊天
在您需要新增參與者的現有群組聊天中選擇或進行使用。 在 Teams 右上角的個人檔案圖片下方，選 取 [檢視並新增參與者 ，然後選擇 [ 新增人員 ] 。 選取新增的參與者名稱，然後選擇是否要包含多少聊天記錄。
Applies To:
Microsoft Teams
Install the Windows 8.1 Update (KB 2919355) - Microsoft Support
Learn how to check for, download, and install KB 2919355, an update for Windows 8.1 and Windows RT 8.1.