Backing up your files: how the 3-2-1 rule works

Keeping just one copy of your files on a single drive creates a single point of failure. Eventually, single points of failure give out. You've likely collected years of photos and videos, plus financial records and perhaps some private poetry you'd prefer stayed private. Backing all of it up is nobody's idea of a great afternoon. Still, you know how it feels to discover that important files are go