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Displaying Complete File Extensions
Here's a simple step you can take to make sure that you don't open a certain type of file, such as one that may contain a virus: show the filename extensions on your laptop!
To do this, first double-click on the My Computer or Windows Explorer icon on your machine's desktop, and select a disk (for example, your C: hard drive). Pull down the View menu and select Folder Options... In the separate View Options window that appears, left-click on the View tab, and select the Show all files option (if it isn't selected already). Finally, ensure that a checkmark does not appear to the left of the "Hide file extensions for known file types" option.
As we mentioned before, taking this precaution is really important when you don't want to open a certain type of file, especially to avoid spreading a virus. A good example is with the Anna Kournikova virus that has affected campus in the past; if you don't show filename extensions on your machine, the virus file appears as a simple .JPEG file, and you don't see that the file really has the .VBS extension.
So, do yourself a favor and take a minute to show the complete file extensions on your laptop!
Last modified: November 25, 2003
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