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Download Microsoft Authenticator - Microsoft Support
The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.
I can't sign in to my Microsoft account - Microsoft Support
Learn how to fix problems signing into your Microsoft account. Resolve password verification, locked account, and other Microsoft account login issues.
Applies To: Outlook 2021, Outlook 2021 for Mac, Outlook 2019, Outlook 2019 for Mac, Outlook 2016, Microsoft 365 for home, Outlook.com, GroupMe, Microsoft account dashboard, Microsoft Teams, Microsoft Teams personal, Microsoft To Do, OneDrive (home or personal), OneDrive for Mac, OneDrive for Windows, Outlook for Android, Outlook for iOS
What happens if there's an unusual sign-in to your account
Microsoft prioritizes account security and works to prevent people from signing in without your permission. When we notice a sign-in attempt from a new location or device, we help protect the account by sending you an email message and an SMS alert.
Recall an email message that you sent in Outlook
Check if you have an Exchange account in classic Outlook. How to recall and/or replace an email message you sent by using Microsoft 365 and your built-in Exchange Server account.
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Microsoft 365 admin, Outlook on the web, Outlook.com, New Outlook for Windows
使用 Microsoft Rewards 赢得积分 | Xbox Support
下载应用. 通过将 Microsoft Rewards 应用下载到 Xbox 主机,在玩游戏或购物时关注积分并赢得积分:. 按“Xbox”按钮 打开指南,然后转到“Microsoft Store”。. 选择“搜索”,然后在搜索框中输入“Microsoft Rewards”。. 从结果中选择 Microsoft Rewards 应用,然后将其下载到 ...
Recovery options in Windows - Microsoft Support
Learn about the recovery options in Windows. Find out how to reset your PC, go back to a previous version of Windows, or use media to reinstall Windows.
分享 Xbox Game Pass 订阅 | Xbox Support
下面介绍 Xbox Game Pass 订阅者如何将其 Game Pass 订阅权益扩展给朋友和家人。. 在家:将你的主要 Xbox(如果有多个)设为常用 Xbox,这会让使用其档案登录该主机的任何人都能够使用你的 Game Pass 订阅。. 常用 Xbox 和游戏共享的工作原理. 在外:在任意其他 Xbox 上 ...
Automatically diagnose and fix problems with Windows Firewall
Automatically repair Windows Firewall problems, such as Windows fails to start Windows Firewall service (0x5) or Windows remote assistance is not working.
你尝试在 Xbox One 或 Windows 10 设备上安装某游戏时,出现 0x80073CF3 错误
请按照以下步骤重置你的 Microsoft 帐户密码。. 你尝试在 Xbox One 主机或 Windows 10 设备上下载和安装某游戏时,看到以下错误代码和消息:. 0x80073CF3. 请等待几分钟,然后重试。. 更新失败。. 这说明你的主机或 Windows 10 设备上已存在该游戏的现有版本。.
Windows Update Troubleshooter - Microsoft Support
If you get an error code while downloading and installing Windows updates, the Update Troubleshooter can help resolve the problem. Select Start > Settings > System > Troubleshoot > Other troubleshooters. Next, under Most frequent, select Windows Update > Run.