When you open the Users page, you have the following options. 

The following functions are available on this page: 

• Icon   on the right side shows you the application basket for mass processing. 
• Button  
  Here you can limit the view by filters.
• Button User groups
• Button  Users
  Here you can enter a new user in your d.vinci.
• Button  
  Here you can click to create API users via + API user

In the lines of this view you will see the following:

• Last name
• First name
• Username
  • Icon  if the user is a system user.
  • Icon  if the user account is locked.
  • Icon   if the user logs in via username/password
  • Icon  if the user accesses d.vinci via Single Sign-on
• E-mail address
• Login Method
• Organizational unit
• Icon  
• Icon  
  If you click on it, you can delete the user.

Click on the blue highlighted words Last name, First name, Username or E-mail address to change the sorting order of the users.