Yes, Single Sign-On (SSO) is compatible with legacy customer accounts (formerly known as classic customer accounts) in Shopify through the miniOrange SSO application.
If your business relies heavily on custom features or specific third-party apps, Shopify legacy customer accounts still might be the best option.
Refer to this page to configure Single Sign-On on your Shopify legacy customer accounts with your desired identity provider such as Microsoft Entra ID, Auth0, Okta, Salesforce and more.
If you are interested in configuring Shopify SSO for legacy customer accounts in Shopify, please feel free to contact our team.
