Un-Hide extensions for known file types under Windows XP and Vista

Hiding the file extension makes it impossible to identify the type of file you are working with. Hiding this information makes work more difficult. Showing the 3 character filename extension has no downside and no security risk. Hiding useful information makes no sense. You need to know the file type for certain 1099 Express operations. To un-hide:

In 1099 Express, there could be times when you must know the file type (the file name extension). Examples of file name extensions are:

".src" for 1099 Express Source.
".txt" for a text file.
".xls" for an Excel file.
".fp" for Fine Print "Print Capture" files.
".htm" for web page files.

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