Windows 10 update history - Microsoft Support
Windows 10, version 2004 and Windows Server, version 2004 update history; End of service statement; December 14, 2021—KB5008212 (OS Builds 19041.1415, 19042.1415, 19043.1415, and 19044.1415)
通过 Xbox Game Pass 获取 EA Play 订阅会员资格
EA Play（以前称为 Origin Access Basic）一项订阅服务，订阅会员可游玩 EA 在主机和电脑上最受欢迎的游戏系列和顶级大作，获取专属游戏内挑战和奖励，订阅会员专属内容，以及获得即将发售的热门系列和顶级大作的新作的独家试玩版。
View internet message headers in Outlook - Microsoft Support
When Kelly sends an email message to anton@proseware.com, she composes it from her computer, which is identified as (i101-177.nv.litwareinc.com).The composed text is passed from her computer to the email server, mail.litwareinc.com. This is the last that Kelly will see of her email message, because further processing is handled by email servers with no intervention from her.
Applies To:
Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Outlook 2013, Outlook.com, New Outlook for Windows, Outlook on the web for Exchange Server 2016, Outlook on the web for Exchange Server 2019
激活 Office - Microsoft 支持
解决激活错误. 如果 Microsoft 365 无法激活，其最后会变为未授权，且 Microsoft 365 的所有编辑功能都会被禁用。 Microsoft 可能由于多种原因变为未授权。
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 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Publisher 2016, Office 2016, Microsoft 365 for home, Office for business, Office.com, Project for Office 365
如何申请 Xbox 数字产品退款 | Xbox Support
注意 为了帮助我们更好地保护你的帐户，请告诉我们购买的人是你家庭中的某人还是你认识的其他人。 你可以提供有关进行此购买的人员以及购买者是在你的帐户还是他们的帐户上进行的其他详细信息。
共享 OneDrive 文件和文件夹 - Microsoft 支持
OneDrive 上的文件在共享之前是私有的。 请记住，使用编辑权限共享文件夹时，你与之共享的人员可以 将共享文件夹添加到自己的 OneDrive。 这使他们可以将该文件夹与他们自己的文件夹和项目保留在一起、轻松地在文件夹之间移动项目以及更轻松地脱机处理项目。
Applies To:
OneDrive for Business, SharePoint Server Subscription Edition, SharePoint Server 2019, SharePoint Server 2016, SharePoint Server 2013 Enterprise, SharePoint in Microsoft 365, Office for business, Microsoft 365 admin, OneDrive (work or school), Office.com, OneDrive (home or personal), SharePoint in Microsoft 365 Small Business
如何添加新的 Xbox 好友 | Xbox Support
登录到 Xbox 应用，然后选择“好友”选项卡。 在搜索框中输入玩家代号，然后按 Enter。请务必细心注意玩家代号的拼写和空格。 右键单击要添加的搜索结果中的配置文件，然后选择“打开配置文件”。选择配置文件屏幕中的“添加好友”按钮。在对方将你加入他们的好友列表之前，你将显示为关注 ...
Add a SharePoint page, list, or document library as a tab in Teams
1. In Teams, select the channel page. To the right of the channel name, select the + on the tab bar.. 2. Select the SharePoint tab.. 3. Select the Document libraries to see existing SharePoint lists available from your team site. You can also pick a document library from Recommended section SharePoint content to add as a tab in the Teams channel.
Applies To:
SharePoint in Microsoft 365
Internet Explorer 下载 - Microsoft 支持
Microsoft Edge 是 Microsoft 推荐的浏览器. Windows 8.1不再支持 Internet Explorer 11。 相反，我们建议切换到 Microsoft Edge。 Microsoft Edge 是为了给你带来最好的上网体验而建立的，让你在浏览网页时有更多自主性，并获得更多隐私保护。
Xbox network server connectivity on Windows is blocked
Look for Server connectivity.If the status says Blocked, your PC was unable to establish a Teredo IPsec connection to the Quality of Service (QoS) server.If you also see Teredo is unable to qualify next to NAT type, visit the Teredo troubleshooting page first to fix that problem.Go to: