A blog called Plasticsfuture has tests
17 different programs for making backups on a Mac and written up the results in an article called Mac Backup Software Harmful
harmful? It turns out that most Mac backup software will save your files but nuke some of the associated metadata. Of
the 17 apps, only one gets a "Highly recommended" rating, and four get "Avoid at all cost." In the
end, the choice is SuperDuper
shareware app that's free for basic use or $27.95 if you need some extra features.