如何在任意位置注销你的 Microsoft 帐户 - Microsoft 支持
如果你认为有人可能未经授权访问你的帐户，我们可以通过从所有受信任的设备注销来保护你。 在 24 小时内，你将注销浏览器、应用以及你的帐户用于登录的任何其他位置（Xbox 主机除外）。
Applies To:
Microsoft account dashboard
Windows 帮助和学习
查找有关 Windows 操作系统的帮助和操作方法文章。 获取对 Windows 的支持，并了解安装、更新、隐私、安全等方面的信息。
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.
我忘记了用于 Microsoft 365 的帐户 - Microsoft 支持
Microsoft 365 商业版. 如果你的 Microsoft 365 产品是以下之一，则你拥有 Microsoft 365 商业版 产品。 这些产品通常与工作或学校帐户相关联，且 Microsoft 365 许可证（如果你的订阅拥有一个许可证）来自你工作的组织或所在学校。
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook 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, OneNote for Microsoft 365 for Mac, 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, 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, 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, OneNote for Mac, SharePoint in Microsoft 365, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Small Business Admin, Office 365 operated by 21Vianet - Admin, Microsoft 365 for Mac, Office 365 Activation, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin, Office.com, Project for Office 365
How your PC gaming account relates to your Microsoft Store account
The Xbox app on PC relies on two Microsoft accounts: the Microsoft Store account, and the Xbox account (your PC gaming account). The Microsoft Store account provides access to owned games, subscription benefits, and other Xbox app purchases made by that account. The Xbox account is used for game streaming access, in-game purchases, achievements, and friends.
GroupMe help & learning
Where your best groups chat. GroupMe is the easy way to connect with all the groups in your life, big and small. With apps on iOS, Android, and Web, GroupMe keeps you connected with the people most important to you.
重置忘记的 Microsoft 帐户密码 - Microsoft 支持
如果“输入密码”窗口仍处于打开状态，请选择“忘记密码？. 如果没有，请选择下面的“重置密码”，输入要重置的帐户的用户名，然后选择“ 下一步”。 重置密码
Applies To:
Microsoft account dashboard
尝试启动 Office 应用时发生“出现错误”错误 - Microsoft 支持
无法安装 Office？ 使用脱机安装程序. 如需重新安装 Microsoft 365，请参阅 在电脑上安装或重新安装 Office。. Microsoft 365脱机安装程序可帮助绕过潜在的代理、防火墙、防病毒软件，或 Microsoft 365 安装期间可能发生的 Internet 连接问题。
Applies To:
Office 2021, Office 2019, Office 2016, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Small Business Admin, Office 365 operated by 21Vianet - Admin, Click2Run, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin, Office.com
向 Microsoft 帐户兑换礼品卡或代码 - Microsoft 支持
如何兑换礼品卡、Xbox 下载代码或令牌. Microsoft 和 Xbox 礼品卡以及下载代码和令牌的工作方式相同：兑换到 Microsoft 帐户后，可以在 Windows 或 Xbox 上将余额用于Microsoft Store 在线商店，并且可以获取最新应用、游戏、电影、电视节目以及 Surface、Xbox 和配件的下载。
Applies To:
Microsoft account dashboard
Add or invite people outside your org to a chat in Microsoft Teams
Add participants to an existing group chat. You may only add external access participants to existing or ongoing chats that already include at least one external access participant.
Applies To:
Microsoft Teams