Storage drives have evolved from floppy disks to CDs and DVDs. Both CDs and DVDs can hold significantly more data than floppy disks, making them a good choice for storing or backing up data. You may, however, need to format a disc for two reasons. First, some discs must be formatted before being used for the first time. Second, discs that are rewritable can be formatted to erase all of the data stored on the disc. Writer Bio
