Macs make it easy to backup your photos to an external hard drive. All you need is an external hard drive that is formatted for Macs and a photo backup app.
There are several different photo backup apps available for Macs, but my personal favorite is CrashPlan. CrashPlan is a free app that can backup your photos to your external hard drive, your computer’s internal hard drive, or to a friend’s computer.
To backup your photos using CrashPlan, first connect …
