Important: You don't need to remove old security information unless there is an account security risk (e.g. someone else has access to your old mailbox). If you do need to replace your security information, make sure you add new information first. If you request removal of all security information in your account, the account is put into a restricted state for 30-days. Your information doesn't ...

Learn how to disable two-step verification for your Xbox account with step-by-step guidance.

注意: 此内容可帮助你使用工作或学校帐户。 如果在个人Microsoft帐户上遇到验证码问题，请参阅 验证码问题疑难解答。

Two-step verification is an optional security feature that, by using two forms of identity—your password, and a contact method (also known as security info)—makes it harder for someone to break into your Microsoft account.

Learn how to sign in and create app passwords for Microsoft apps and devices that don't support two-step verification.

了解如何关闭双重验证。 双重验证是一项可选的安全功能，通过使用两种形式的身份，即密码和联系方式（也称为安全信息），这样别人更难进入您的 Microsoft 帐户。

关于Microsoft帐户的双重验证和身份验证 什么是Microsoft帐户中的双重验证？ 双重验证 (有时称为多重身份验证) 通过使其他人更难登录到你的Microsoft帐户来帮助保护你。 它使用两种不同形式的标识：密码和联系方式（也称为安全信息）。 即使其他人发现了你的密码，但如果无法访问你的安全信息 ...

Sign-in options Usage Guidelines URL: Privacy Policy URL: ...

Summary This article provides explanations for why verification codes from Microsoft don't always arrive. It includes a list of the most common causes, and solutions for each one. Reasons why verification codes don't always arrive Read through the list of the most common causes below and see if any of them apply to you, or use our troubleshooter to help guide you. Start

Signing your email messages with a digital ID helps to prove your identity and prevent message tampering.