Connect Surface to a TV, monitor, or projector - Microsoft Support
Connect your Surface on Windows 10 to a TV, external display, or projector by using the Surface HD Digital AV Adapter or the Surface VGA Adapter.
如何添加新的 Xbox 好友 | Xbox Support
好友 是你希望通过群聊天、消息传递、游戏和查看其活动源与之交互的人员。 通过将玩家添加为好友，即可成为他们的“关注者”，直到他们也将你添加为好友。 您最多可以有 1,000 个 Xbox 好友。
Outlook.com に対してサインインまたはサインアウトする方法 - Microsoft サポート
Outlook.com、Hotmail、Live、または MSN のメール アカウントにサインインできない場合、サインインまたはサインアウトする方法がわからない場合は、次の解決方法を試してみてください。
Applies To:
Outlook.com
Contact Microsoft Office Support - Microsoft Support
Contact Microsoft Office Support for assistance with Microsoft 365, Office, Windows, Xbox, Surface products and more.
在 Excel 中将 IF 与 AND、OR 和 NOT 函数配合使用 - Microsoft 支持
如何将 IF 函数 (与 Excel 中) AND、OR 和 NOT 函数结合使用，以在给定值之间进行逻辑比较。
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
Create a group in Outlook - Microsoft Support
Create a group for your project or team. Create a PLC group in Outlook (Office 365 Education) A Professional Learning Community (PLC) group is a type of Microsoft 365 Group that provides a shared space for educators to use for collaboration.
Applies To:
Outlook for Microsoft 365, Outlook for Microsoft 365 for Mac, Outlook 2021, Outlook 2021 for Mac, Outlook 2019, Outlook 2019 for Mac, Outlook 2016, New Outlook for Windows, Outlook for Android, Outlook for iOS
SUBTOTAL function - Microsoft Support
How to use the SUBTOTAL function in Excel to return a subtotal in a list or database.
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
Meeting options in Microsoft Teams - Microsoft Support
Admins set default meeting settings. They try to optimize for most use cases, but if you want to adjust your options for a specific Teams meeting, go to Meeting options.
Applies To:
Microsoft Teams
Get started with PowerPoint for the web - Microsoft Support
Learn how to get started with PowerPoint for the web from Office.com and create presentations online.
Applies To:
PowerPoint for the web
打开或关闭 Windows 安全中心 - Microsoft 支持
Windows 安全中心已预安装在 Windows 10 中并可随时使用。