Magento 2.1.x Notice: Magento 2.1.18 is the final 2.1.x release. After June 2019, Magento 2.1.x will no longer receive security patches, quality fixes, or documentation updates. To maintain your site's performance, security, and PCIPayment Card Industry: Refers to debit and credit cards and their associated businesses. compliance, upgrade to the latest version of Magento. The Magento User Guide 2.1.x remains available in PDF for Open Source and Commerce.
To display the Customers menu:
On the AdminThe password-protected back office of your store where orders, catalog, content, and configurations are managed. sidebarThe right or left column of a two-column page layout., tap Customers .
Lists all customers who have registered for an account with your store, or were added by the administrator.
Lists all customers and visitors who are currently online in your store.