Robocopy

Looks like this might be a useful tool for backing up admin computers in work to external HDDs.

Robocopy – Wikipedia, the free encyclopedia

Download details: Windows Server 2003 Resource Kit Tools

Utility Spotlight: Robocopy GUI

Better Robocopy GUI

Free Utility: RichCopy, an Advanced Alternative to RoboCopy

SourceForge.net: RoboMirror – Project Web Hosting – Open Source Software