Windows users

• 1). Click on the Start Menu on your Desktop.
  
  
• 2). Click the "Find" button in the menu that appears.
  
  
• 3). Type "*.itl" in the box that appears, then click "Search." This brings up every iTunes library on your PC.
  
  

Mac users

• 1). Click on the "File" button on your Mac's desktop.
  
  
• 2). Click on "Finder" in the menu that appears.
  
  
• 3). Type "*.xml" in the dialog that appears, then click "Search." This brings up a list of iTunes libraries on your Mac.