EMail 
Support 
How to Add a User to a Password-Protected Directory in Plesk
How to change the directory’s title in Plesk
How to Add Protected Directory in Plesk
What are User Roles in Plesk
User roles are used to define what Plesk functionality is available to additional users. Every additional user must have a user role assigned to them, and every role includes a set of permissions that determine what operations users who are assigned that role can perform in Plesk.
How to Create User Account in Plesk
What are User Accounts in Plesk
You can create additional users who will be able to log in to Plesk and have access to certain, predefined functionality, such as creating mailboxes, managing databases, or performing backups. The functionality available to additional users is determined by creating, configuring, and assigning user roles to additional users.