Finding your BitLocker recovery key in Windows - Microsoft Support
If your system is asking you for your BitLocker recovery key, the following information may help you locate your recovery key and understand why you're being asked to provide it. Important: Microsoft support is unable to provide, or recreate, a lost BitLocker recovery key.
About the Microsoft Support and Recovery Assistant
The Microsoft Support and Recovery Assistant works by running tests to figure out what's wrong and offers the best solution for the identified problem. It can currently fix Office, Microsoft 365, or Outlook problems.
Applies To:
Outlook for Microsoft 365, Office 2021, Office 2019, Office 2016, Microsoft 365 for home, Microsoft 365 admin
Control your Dynamic Lighting devices in Windows
If you have Dynamic Lighting-compatible devices (such as LED-lit keyboards, mice, case lighting, or other devices), you can control them both individually or as a group through Windows Settings, by selecting Start > Settings > Personalization > Dynamic Lighting.
Check your Xbox purchase history | Xbox Support
We’re investigating this issue now. In the meantime, sign in to your account to see your latest refund request status. You can view your Xbox purchase history on your Xbox console or the web. Use the steps below to review your info or get help with a charge that you don’t recognize.
Using product keys with Office - Microsoft Support
Office is prompting me for a product key. Use your Microsoft account, not your product key, to install and activate Office and individually purchased Office apps, such as Project, Visio, Word, Excel, and Outlook. Sign in to install Office. Bookmark the site below so you always know where to go to install Office.
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, OneNote 2016, Project Professional 2016, Project Standard 2016, Publisher 2016, Visio Professional 2016, Microsoft 365 for home, InfoPath 2013
登录时，或者安装或玩电脑游戏时出现错误 0x800704CF | Xbox Support
请按照以下步骤重置你的 Microsoft 帐户密码。. 当你尝试登录帐户时，或者当你在 Windows 10 上启动或安装游戏时，可看到以下错误代码：. 0x800704CF. 这意味着存在暂时性的网络问题。. 请尝试以下操作。.
查找错误代码 | Xbox Support
了解如何修复错误代码 8007-0570、351f-0000 或 351f-0000-0080-0300-8007-0570，以便您可以安装 Xbox 更新。. 了解详细信息.
Change the email address or phone number for your Microsoft account
Add, remove or update an email address or phone number. If you want to make changes to the email addresses or phone numbers associated with your Microsoft account, use our guided support tool below to help you update the right information in the right way.
Applies To:
Microsoft account dashboard
Microsoft Store & billing help
Get Microsoft billing support. Find help with Microsoft Store purchases, subscriptions, refunds, payment options, and checking your order history.
微软软件许可条款 - support.office.com
您使用 Office 移动应用软件时适用以下条款，但前提是您通过 Microsoft 在线商店之一（如 Windows 应用商店）购买该软件。. 如果购买的该软件预安装在您的设备上，则您使用 Office 移动应用软件时适用您同意遵守的针对 Windows 操作系统的 Microsoft 软件许可条款（以下 ...