Games with Gold for Xbox FAQ | Xbox Support
Games with Gold is an Xbox program that offers free Xbox games to Xbox Live Gold members.
OneDrive release notes - Microsoft Support
Learn about the latest feature updates and bug fixes for the OneDrive sync app across all devices.
Applies To:
OneDrive for Business, SharePoint Server Subscription Edition, SharePoint Server 2019, SharePoint in Microsoft 365, Microsoft 365 admin, OneDrive (work or school), OneDrive (work or school) operated by 21Vianet, OneDrive for Mac, OneDrive for Windows, SharePoint admin center, SharePoint in Microsoft 365 Small Business, SharePoint operated by 21Vianet
使用 Microsoft Authenticator 登录 - Microsoft 支持
使用 Authenticator 作为登录的一种方式. 如果已为帐户启用无密码、双重或多重身份验证，请使用以下步骤登录：
减小 PowerPoint 演示文稿的文件大小 - Microsoft 支持
了解如何减小 PowerPoint 演示文稿的大小。
Applies To:
PowerPoint for Microsoft 365, PowerPoint 2021, PowerPoint 2019, PowerPoint 2016
Common problems with two-step verification for a work or school account ...
This content can help you with your work or school account, which is the account provided to you by your organization (for example, dritan@contoso.com).
输入 Office 产品密钥的位置 - Microsoft 支持
我的产品密钥不起作用. 如果 Office 产品密钥不起作用，或已停止工作，应与卖家联系，申请退款。 如果产品密钥是独立于软件购买的，则很可能是被盗的产品密钥，或者是以欺骗方式获得随后阻止使用的产品密钥。
Applies To:
Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Office 2016, Microsoft 365 for home, Office.com
如何登录或注销 Outlook.com - Microsoft 支持
如果无法登录 Outlook.com、Hotmail、Live 或 MSN 电子邮件帐户，或者不确定如何登录或注销，请尝试以下解决方案。
Applies To:
Outlook.com
Microsoft Support
Microsoft support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows, Surface, and more.
使用 SUMPRODUCT 对一个或多个数组中的对应值的乘积求和
使用带数组（单元格区域）的 sumproduct，乘以数组中的各单元格（例如，单元格 b2 x c2），然后将结果相加。
Applies To:
Excel 2013
Microsoft 365 培训
通过 Microsoft 365 视频和教程快速提高工作效率。 浏览 Microsoft 365 培训指南和提示，随时随地与任何人协作。