Current statistics show that one in every ten hard drives fail each year. The cost of recovering a failed hard drive can exceed $1,500, and success is never guaranteed.
Backup is an optional task, but if you don't, your valuable data could be lost some day. A Backup is a must, if you love your data. Many people and small offices don't utilize any backup system whatsoever. This is extremely risky, since a computer's hard drive will inevitably fails. You can lost documents, photos, video memories or invoices, contracts, trade secrets and other files that are essential for doing business
Some people and small offices have a backup hard drive that periodically makes a copy of important files. While this is better than no protection at all, it's still vulnerable to events such as natural disaster, lightning strike, theft, fire, water damage/flooding.