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
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
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
如何兌換禮品卡和代碼 | Xbox Support
兌換禮品卡與代碼，以購買 Xbox 並擴充您的 Xbox 訂閱。. 代碼的長度為 25 個字元 (包含數字和英文字母)，並採用 5x5 格式，即以五個字元為一組，共五組。. 代碼可以是您向 Microsoft 或信任的零售商購買的數位或實體卡片。. 如果您的帳戶有未付餘額，或是付款 ...
Track my Microsoft Rewards orders - Microsoft Support
If you want to track your Microsoft Rewards order after you redeem an award, sign in to the Rewards page with your Microsoft account, select Redeem and then select Order history. On the Order history page, find your order and then look under Status. Open Rewards dashboard.
支付逾期金额以解锁你的订阅 | Xbox Support
订阅因未付款而处于锁定状态的原因有多种：. 借记卡上的资金不足. 信用卡已到期. 你的信用卡被盗，因此你关闭了该帐户. 你收到了一张新信用卡，并关闭了旧信用卡. 由于某些其他原因，你的银行拒绝了购买.
Microsoft Store & billing help
Get Microsoft billing support. Find help with Microsoft Store purchases, subscriptions, refunds, payment options, and checking your order history.
Install optional drivers for your printer manually in Windows 11
Windows 11. If a driver for your device couldn’t be automatically installed, there may be an optional driver available that your printer can use. You can check by following the steps below: Select Start > Settings > Windows Update. Select Check for updates at the top of the page.
保护玩家免受市场盗窃和诱骗 | Xbox Support
为了维护此安全性，Xbox 会监视 Xbox 社区中的市场盗窃或诱骗情况。. 欺诈会影响所有人，并且大多数发布者和开发人员都有自己的一组规则来防止欺诈性购买。. Microsoft 通过保护帐户信息并确保玩家仅从受信任的零售商处购买，保护社区成员免受财务欺诈。. 绕 ...