Hi,

Does anybody know how to determine what type a file is.
Meaning I have a file what a non specified extension let's say .viv.
But this could be a zip, doc, pdf or mp3 file.

How can I know what type of file this is. Without having to change the extension and see if I can open it with Winzip, Word, Adobe, or an audio player.

Because I can see in Windows 2000, the explorer, shows for a file with extension zip, and a valid zipfile, in the status bar, how many files are in the zip file.
If it is an invalid zipfile, it shows a tool tip with something like bad zipfile.

For an mp3 file it shows the small player (slider). If it's not a valid mp3 file the slider get's disabled.

Thanks for any information on this subject already.