There are a number of great open source or free backup programs out there that you can use absolutely free. Here is a partial list (please add others:#[http://www.educ.umu.se/~cobian/cobianbackup.htm Cobian Backup](free, no longer open source)#[http://www.runtime.org/driveimage-xml.htm DriveImage XML](Free for personal use)#[http://www.areca-backup.org/index.php Areca Backup](Open source - GPLv2#[http://thebackupmonkey.blogspot.com/ Bonkey](Open source - Apache 2.0)#[http://www.hiteksoftware.com/jaba/ JaBack](Free)#[http://www.nasbackup.com/wiki/Introduction NasBackup](Open source - no longer under active devel.)#[http://www.aboutmyip.com/AboutMyXApp/DeltaCopy.jsp DeltaCopy](Open source - GPL)#[http://www.allwaysync.com/ Allway Sync](Free for non-commercial use; some limits)#[http://www.gfi.com/backup-hm GFI Backup](Free for non-commercial use)#[http://backuppc.sourceforge.net/ BackupPC](Open source - GPL)#[http://synchronicity.sourceforge.net/ Create Synchronicity]