Contact us | Xbox Support
Need help with an Xbox console, an Xbox game, or Xbox network? Find out how to get in touch with us.
如何更改 Xbox 玩家代号 | Xbox Support
在 Xbox 360 上：玩家代号最多包含 15 个字符，包括空格。它们不能以数字开头。 在 Xbox One、Xbox Series X|S、Windows 上：玩家代号最多包含 12 个字符，包括空格。它们不能以数字开头。 如果收到一条消息，指出玩家代号不可用，这意味着你需要尝试其他玩家代号。
在Windows 11电脑上启用虚拟化 - Microsoft 支持
了解如何通过电脑的 UEFI (或 BIOS) 启用虚拟化，以运行适用于 Android 的 Windows 子系统或适用于 Linux 的 Windows 子系统。
Record a meeting in Microsoft Teams - Microsoft Support
Meeting recordings won't capture whiteboards, annotations, shared notes or content shared in the stage view by apps, and also won't include videos or animations embedded in PowerPoint Live presentations. When you view a meeting recording, you won't see more than four peoples' video streams at once.
Applies To:
Microsoft Teams
更改桌面背景图像 - Microsoft 支持
注意: 如果无法选择 “Windows 聚焦 ”选项，则表示管理员可能已禁用该功能，或者你可能尚未获取更新。 此功能在一段时间内推出。 有关详细信息，请参阅 何时获取 Microsoft 365 的最新功能？
Contact - Microsoft Support
Contact Microsoft Support. What's new. Surface Pro; Surface Laptop; Surface Laptop Studio 2
Account help
Microsoft account help and support. Get help with signing in, locked or compromised accounts, linked accounts, closing, reopening, and updating your security info and account profile.
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
使用 VLOOKUP、INDEX 或 MATCH 查找值 - Microsoft 支持
使用 vlookup、hlookup 和其他函数（如 index 和 match）根据您输入的值搜索和查找数据。 本文将让您快速回顾 vlookup，然后链接到更多内容。
Applies To:
Excel for Microsoft 365, Excel for the web, Excel 2021, Excel 2019, Excel 2016
Use Microsoft Teams on the web - Microsoft Support
Find Teams on the web at https://teams.microsoft.com.. To use Teams, you need a Microsoft 365 account with a Business or Enterprise Microsoft 365 license plan. For more information, see How do I get access to Microsoft Teams?. For information about supported browsers for Teams on the web, see Web clients for Microsoft Teams.
Applies To:
Microsoft Teams