Sign-in Page Branding enables an Office 365 customer to select custom colors, text and Imagery for their Office 365 sign-in page. Self Service Password Reset allows a user who has forgotten their password to reset it based on prearranged alternative personal information. These two features were previously available with the Azure AD Premium subscription and are now being made available to all Office 365 subscribers.

Self Service Password Reset (SSPR)

This feature allows users to reset their Azure AD password via the portal through the use of an alternate email address, text message, phone call or challenge questions. Hopefully this implementation will also include the “Password Write back” functionality that is also available in Azure AD Premium, otherwise it would only apply to cloud identities and would have limited use. Possibly a great self service password reset option for organizations that don’t have that functionality today.

Sign-In Branding

Quite a few clients ask about how they can do this. While Microsoft recently added the ability to customize your organization’s user experience through the use of themes, this was limited to pages after the login. Subscribers of Azure AD Premium have had the ability to customize the sign-in page as below

This feature as per MS Office road map are to be available to all Office 365 subscribers

Sources: Office Road map  Perficient Blog