When you first start backing up, CrashPlan backs up everything in your home directory or user folder in a single, default backup set. With backup sets enabled, you can create additional backup sets so that different groups of files can back up to different locations and with different settings.
You can also copy, rename and remove backup sets.
Note: If you are using CrashPlan PROe, your backup administrator must allow the creation of backup sets.
You need to enable the backup sets feature to start creating backup sets:
Once backup sets are enabled, follow the steps below to complete setup of your backup set.