If you want to have your backup on multiple pieces of media then true backup programs an become very useful. It can be different from drag and drop methods in the following ways.

• You can compress the backup to save space
• The backup files can be stored in single location with special backup file.
• You can use the backup files in the archive only after restoring them wither in the same of different storage location.
• The stored data can be sent to the CD/DVD, removable media drives or some other storage media.
• The archive files attributes are used by the backups to find the files to be backed up.

You can save all the data with full backup in certain location of your hard drive with full files but there are certain files in the partial backup. Differential backup is the most common type of backup in which files are backed up or created since the last full backups. You can restore all these files in the backups with the restore features of the backup software. You can rebuild entire drive or disk partitions with the help of disaster recovery backup. The disaster backup is similar to that of CD recovery feature inmost of the computer. The only difference is in the customization.

You can also backup your data with disaster backup if you restore your data in the same location of operating systems. You can restore your computer for working condition very easily in case of disk failure by combining the disaster recovery backup with full backup and differential backup which can be comprised of your emails and Windows Favorite folders.

There may be some backup software in some of the CD-RW drive and removable media. You can also use the built in backup systems in the operating systems of Windows 98 or above which can be very useful for the computers.