I am NOT very knowledgeable regarding computers. I have recntly used Norton 360 Backup. What I can view on the backup disc is a series of numbers and letters. Is this normal?? How can I view a specific file or document on the backup disc??

I am NOT very knowledgeable regarding computers. I have recntly used Norton 360 Backup. What I can view on the backup disc is a series of numbers and letters. Is this normal?? How can I view a specific file or document on the backup disc??
