Find your Windows product key - Microsoft Support
PRODUCT KEY: XXXXX-XXXXX-XXXXX-XXXXX-XXXXX. Locate your product key for Windows 10 or Windows 11. Depending on how you got your copy of Windows 10 or Windows 11, you'll need either a 25-character product key or a digital license to activate it.
Applies To:
Microsoft account dashboard
Save disk space with OneDrive Files On-Demand for Windows
OneDrive Files On-Demand helps you access all the files in your cloud storage in OneDrive without having to download them and use storage space on your computer. Note: Starting with OneDrive build 23.066 Files On-Demand is enabled by default for all users.
Applies To:
OneDrive for Business, SharePoint Server Subscription Edition, SharePoint Server 2019, Microsoft 365 admin, OneDrive (work or school), OneDrive (home or personal), OneDrive for Windows
Troubleshooting black or blank screens in Windows
Troubleshoot screen flickering in Windows. Fix connections to wireless displays or docks in Windows. If your computer is showing a black or blank screen in Windows, these troubleshooting tips could help get your system back up and running.
Using System File Checker in Windows - Microsoft Support
System File Checker is a utility in Windows that checks for problems with files on your computer. To run it, follow these steps: Make sure you've installed the latest updates for Windows, and then restart your machine. To find out more, read Update Windows.
Learn about Microsoft Rewards - Microsoft Support
As your points rack up, so do your opportunities to get great rewards. We make it simple to track progress toward anything you’ve got your eye on, including gift cards, sweepstakes, and donations to charity. If you were previously a Bing Rewards member, carry on!
Applies To:
Microsoft account dashboard
如何兑换 Microsoft Rewards 积分 - Microsoft 支持
如何兑换 Microsoft Rewards 积分. Microsoft account Microsoft 帐户仪表板. 有许多奖励可供你使用- 从 Amazon 到 Xbox - 全部来自 Microsoft。. 获得足够的积分后，符合条件的奖励将显示在“奖励”页面上。. 为大项目存钱，并在此过程中将你的积分花在较小的奖励上 - 无论你想 ...
Applies To:
Microsoft account dashboard
someone@example.com-您是否正在寻找电子邮件地址？ - Microsoft 支持
someone@example.com-您是否正在寻找电子邮件地址？. 在 Outlook 中查找电子邮件地址？. 使用 "搜索通讯簿" 框。.
Applies To:
Outlook 2007
如何登入 Hotmail - Microsoft Support
如果您可以登入但遇到 Outlook.com 的問題，請檢查 服務狀態 。. 如果狀態不是顯示綠色，請等候該服務正常執行，然後再試一次。. Microsoft 會始終關注不常見的登入活動，以防其他人嘗試進入您的帳戶。. 如果您正在其他地方旅行或是使用新裝置，我們可能會要求 ...
Applies To:
Outlook.com
发送电子邮件时，我收到 550、553 或中继禁止的错误 - Microsoft 支持
发送遇到中继错误的电子邮件时，SMTP (传出) 电子邮件服务器可能会返回电子邮件，其中包含如下错误消息之一：. “邮件无法发送，因为其中一个收件人被服务器拒绝。. 被拒绝的电子邮件地址为“< someone@example.com >”。. 主题：“<测试>”，帐户：“<测试 ...
Applies To:
Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Outlook 2013
如何登录 Outlook 网页版 - Microsoft 支持
使用工作或学校帐户登录到Outlook 网页版. 转到 outlook.office.com 。. 如果未使用工作或学校帐户自动登录，请按照提示输入工作或学校帐户的电子邮件地址和密码。. 按照之前可能已为此帐户设置的任何双重身份验证提示进行操作。. 选择“ 登录 ”。. (如果已登录 ...
Applies To:
Office for business, Office 365 Small Business, Outlook on the web, Outlook on the web for Exchange Server 2016