No. It depends what your looking for. Mp3's are audio files, Mpeg, avi are video files. There are a lot of different types of files. Ones to watch out for are program files, zip, exe, ect. They are known to contain viruses. This thread should be required reading: WARNING: Viruses on network you should be aware of!. Make sure your anti-virus is up to date and scan all files before you open them.

This link has info on different file extensions, you can google for more information:http://www.computeruser.com/resource...filetypes.html

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