如何兑换 Microsoft Rewards 积分 - Microsoft 支持
你可能已尝试使用 VoIP 电话号码兑换 Microsoft Rewards 积分： 你需要一个移动电话或陆线号码才能兑换 Microsoft Rewards 积分。不允许使用 IP 语音 (VoIP) 号码。 Microsoft 服务协议中概述了此要求。
Applies To:
Microsoft account dashboard
Join a meeting in Microsoft Teams - Microsoft Support
Learn how to join a Microsoft Teams meeting by link, calendar, channel, chat, or by calling in.
Applies To:
Microsoft Teams
Use @mentions to get someone's attention in Microsoft Teams
To get someone's attention in a channel conversation or a chat, @mention them. Just type @ before their name and then select them from the menu that appears.
Applies To:
Microsoft Teams
在 Microsoft Teams 中加入会议 - Microsoft 支持
如需了解详细信息，请观看加入 Teams 会议视频。. 通过链接加入. 只需通过一个连接即可加入 Teams 会议。 在会议邀请中选择“ 立即加入会议”，将其带到一个页面，你可以在其中选择加入 Web 或下载桌面应用。 如果你已拥有 Teams 应用，会议将自动打开。
Applies To:
Microsoft Teams
SUMIF 函数 - Microsoft 支持
提示: 如果需要，可将条件应用于一个区域并对其他区域中的对应值求和。 例如，公式 =SUMIF(B2:B5, "John", C2:C5) 只对区域 C2:C5 中在区域 B2:B5 中所对应的单元格等于“John”的值求和。. 若要根据多个条件对若干单元格求和，请参阅 SUMIFS 函数。
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
安装快速助手 - Microsoft 支持
是否需要帮助以安装快速助手？ 为了获得最佳体验，请从 Microsoft Store 下载并安装新版本的 快速助手 应用。. 如果在安装 快速助手 时遇到问题，可以尝试执行以下步骤来安装它并使其正常工作。
管理 Microsoft 365 订阅或 Office 产品 - Microsoft 支持
注意: 通过员工Microsoft工作区折扣计划购买的某些产品(以前称为家用许可计划) 权益或批量许可证版本 (由组织的 IT 部门管理，) 可能不需要帐户。 以下信息不适用于这些 Office 版本或 Microsoft 365 订阅。
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, OneNote for Microsoft 365, Publisher for Microsoft 365, Visio Plan 2, Excel for Microsoft 365 for Mac, Word for Microsoft 365 for Mac, Outlook for Microsoft 365 for Mac, PowerPoint for Microsoft 365 for Mac, OneNote for Microsoft 365 for Mac, Word for the web, OneNote for the web, PowerPoint for the web, Excel 2021, Word 2021, Outlook 2021, Access 2021, Project Professional 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2021 for Mac, Word 2021 for Mac, Outlook 2021 for Mac, OneNote 2021 for Mac, Office 2021 for Mac, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Professional 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2019 for Mac, Word 2019 for Mac, Outlook 2019 for Mac, PowerPoint 2019 for Mac, OneNote 2019 for Mac, Office 2019 for Mac, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Project Professional 2016, Project Standard 2016, Publisher 2016, Visio Professional 2016, Visio Standard 2016, Office 2016, Microsoft 365 admin, Outlook on the web, Word Web App, Microsoft account dashboard, New Outlook for Windows
Contact - Microsoft Support
Contact Microsoft Support. What's new. Surface Pro; Surface Laptop; Surface Laptop Studio 2
How do I create macros? - Microsoft Support
This article shows you how to create macros that can be used to help with tasks you repeat often.
Getting started with Microsoft Family Safety
Learn how to set up and use Microsoft Family Safety to protect your loved ones online and offline.
Applies To:
Microsoft Family Safety