There are many ways you can unintentionally lose information on a computer. A child playing the keyboard like a piano, a power surge, lightning, floods. And sometimes equipment just fails.

If you regularly make backup copies of your files and keep them in a separate place, you can get some, if not all, of your information back in the event something happens to the originals on your computer.

Deciding what to back up is highly personal. Anything you cannot replace easily should be at the top of your list. Before you get started, make a checklist of files to back up. This will help you determine what to back up, and also give you a reference list in the event you need to retrieve a backed-up file.

If you haven't already decided where you want to store your backup copies—external hard disk drive, CDs, DVDs, or some other storage format—and you want to know more about your options, you can read about the types of external storage available.

After you've decided what you want to back up and where you're going to back up, you're ready to learn how to back up.

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One key thing to remember when uploading documents to the internet to be downloaded or viewed from the web is to keep the naming convention of these files simple. When naming files, there shouldn't be any special characters or spaces in the file name. Limit the characters in your file names to alphabetic [ a - z ], numeric [ 0 - 9 ], dash [ - ], underscore [ _ ], left parenthesis [ ( ] and right parenthesis [ ) ] characters. A file name incorporating any other characters, including the ever popular ampersand [ & ] and space [ ], will cause problems—even though the name is perfectly acceptable to Windows Explorer. For example:

• this_is_a_good_(and_proper)-file-name
  
  
• this file name will cause problems
  [because of the spaces]
  
  
• this_is_a_bad_file_name&will_cause_
  problems [because of the ampersand]