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
Microsoft Edge help & learning
Get help and support for Microsoft Edge. Find Microsoft Edge support content, how-to articles, tutorials, and more.
Créer un support d’installation pour Windows - Support Microsoft
Découvrez comment créer un support d’installation pour l’installation ou la réinstallation de Windows 7, Windows 8.1 ou Windows 10.
确保你的 Xbox 数字订阅适用于你所在的国家或地区 | Xbox Support
为什么 Xbox 仅允许客户在每个国家或地区内兑换 Xbox Game Pass 订阅充值码? 特定于国家或地区的订阅卡允许我们确保 Xbox Game Pass 服务反映购买和兑换 Xbox Game Pass 订阅所在的当地市场行情。
COUNT function - Microsoft Support
How to use the COUNT function in Excel to count the number of cells that contain numbers, and to count numbers within a list of arguments.
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
How to manage Recommendations | Xbox Support
Learn more about Recommendations and how to manage them.
Learn about Microsoft 365 Groups - Microsoft Support
Learn how to create, use, and manage Microsoft 365 Groups for collaboration, planning, and communication.
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, Outlook.com, New Outlook for Windows, Outlook on the web for Exchange Server 2016, Outlook on the web for Exchange Server 2019
在电脑上启用 TPM 2.0 - Microsoft 支持
发布时间：2021 年 8 月. 本文适用于无法升级到Windows 11的用户，因为他们的电脑当前未启用 TPM 2.0，或者他们的电脑能够运行 TPM 2.0，但未设置为这样做。
June 11, 2024—KB5039212 (OS Builds 22621.3737 and 22631.3737)
Windows 11, version 22H2; July 25, 2024—KB5040527 (OS Builds 22621.3958 and 22631.3958) Preview; July 9, 2024—KB5040442 (OS Builds 22621.3880 and 22631.3880)
Microsoft Teams video training - Microsoft Support
Training: Watch these videos to help your school, work, or organization use Microsoft Teams to video conference, work remotely, and become proficient using Teams.
Applies To:
Microsoft Teams