Can't add file extension in Windows

[Howard Bornstein]

>Windows typically requires file extensions.  So it sounds like you might
>have a file display preference enabled on your system: something like "hide
>file extensions" or similar (it could also be the opposite: a disabled
>button that reads "show file extensions").

Bingo! You hit it. I found a switch in the Folders control panel that 
turned off extensions for common file types. Without this, it's now 
acting as expected.

Thanks Scott!

Regards,

Howard Bornstein
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