Documentation for Confluence 5.8 (Server).
Documentation for Confluence Cloud and earlier versions of Confluence is available too.

Title: Searching For and Administering Users  
Author: Sarah Maddox [Atlassian] Oct 16, 2008
Last Changed by: Giles Brunning [Atlassian Technical Writer] Jun 12, 2015
Tiny Link: (useful for email) https://confluence.atlassian.com/x/dY4UCg
Export As: Word  
Incoming Links
Confluence Latest (3)
    Page: Adding or Removing Users in Groups
    Page: Editing User Details
    Page: Managing Confluence Users
Hierarchy
Parent Page
    Page: Managing Confluence Users
Children (1)
    Page: Resetting the Login Count for a User