Netro: Backup

Resources
Back up and restore your PC
Back up and restore your files
Backup and Restore in Windows 10

Tools
JDiskReport Analyse disk usage.
Windows NT (Backup) Restore Utility for Windows 7: Restore Windows XP and Server 2003 backups.
Windows Easy Transfer for transferring from Windows XP (32 bit) to Windows 7
SyncToy 2.1 (Windows 7): Synchronise files and folders between locations.
Wikipedia: SyncToy
EZBack-it-up

Related links
Backup Hardware