Today, we are excited to share some really cool improvements to Multi-Factor Authentication (MFA) and self-service password reset (SSPR) that are now in public preview! We’ve heard from our customers that having two different registration experiences causes confusion and frustration.
Now, users can register once and get the benefits of both MFA and SSPR—eliminating having to register their security info for these features twice. This allows administrators to create and maintain a single set of documentation for their users and greatly simplifies the helpdesk scenarios.

Read about it in the Enterprise Mobility + Security blog.