如果无法登录 Outlook.com、Hotmail、Live 或 MSN 电子邮件帐户，或者不确定如何登录或注销，请参考以下解决方案。

Symptoms Users cannot log in to Outlook on the web (OWA) or the Exchange Control Panel (ECP) after you install the July 2021 security update or any later update for Microsoft Exchange Server 2019, 2016, or 2013.

Learn how to check for, download, and install KB 2919355, an update for Windows 8.1 and Windows RT 8.1.

使用 Microsoft Authenticator 登录 如果你忘记了密码、使用 双重验证 或 多重身份验证 ，或者帐户 上没有密码 ，Microsoft Authenticator 可帮助你登录帐户。 注意: 在使用 Authenticator 作为登录方式之前，需要 下载应用 并已 将 Authenticator 添加到帐户 。

解决登录 Xbox 应用的问题. Xbox App Windows 10. 在电脑上，转到 “Xbox.com ”，然后选择“ 登录 ”。. 如果你的帐户出现问题，该说明将帮助你解决问题。. 如果你无法完成登录页面，请选择“忘记密码”并按照说明进行操作。. 如果这不起作用，请选择“ 开始 ”按钮 ...

Microsoft Office 2013 Service Pack 1 (SP1) provides the latest updates for Office 2013. This service pack includes two kinds of fixes: Previously unreleased fixes that are included in this service pack. In addition to general product fixes, these fixes include improvements in stability, performance, and security.

登录 OneDrive 转到 onedrive.com ，然后选择页面顶部的“ 登录 ”。 ) 输入 Microsoft 帐户 (Xbox 、 Skype 、Outlook.com 电子邮件地址，然后选择“ 下一步 ”。 键入密码并选择“ 登录 ”。 培训：在 onedrive.com 上登录或创建账户，开始使用 Micorsoft OneDrive。 观看此在线培训视频，了解如何操作。

How to open PC Health Check In Windows, use Search on the taskbar to search for “PC Health Check,” then select it from the list of results.

If you’re working on a Windows PC and want the apps and content from another device to show on your PC screen, you’ll want to consider mirroring that device‘s screen or projecting it to your PC. Note that you’ll need a device that supports Miracast. Here’s how to mirror another screen or project to your PC. Windows 11 Windows 10

Hotmail is now Outlook.com. Learn how to sign in to access your Outlook.com, Hotmail, Live, or MSN email account.