Magento Commerce, 2.2.x
Customer Account Scope
To set the scope of customer accounts:
|1.||On the Admin sidebar, tap Stores. Then under Settings, choose Configuration.|
|2.||In the panel on the left, under Customers, choose Customer Configuration.|
|3.||Expand the Account Sharing Options section.|
|4.||If necessary, clear the User system value checkbox. Then, set Share Customer Accounts to one of the following:|
Shares customer account information with every website and store in the Magento installation.
Limits customer account information to the website where the account was created.
|5.||When complete, tap Save Config.|