AFAIK the inbuilt utility only does zip files (though it can do self extracting zips if you rename it from exe to zip). XP also has a second program that does cab files.

[url]http://www.gzip.org/[/url]

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[url]http://www.smh.com.au/news/opinion/webdiary/index.html[/url]
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David Candy
[url]http://www.mvps.org/serenitymacros[/url]
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"Jsin Kateye" <Jsin_Kateye@hotmail.com> wrote in message news:07dc01c34d0b$3acba730$a501280a@phx.gbl...
> I'm having trouble opening .gz compressed file extentions
> using the internal unzip .dll (i.e. it says it doesnt
> know what .exe program to use and wants me to associate
> the extention) do I have to use an external unzip
> program? or is there some way to make the file extention
> association to the .dll file? or am i just screwed blued
> and tattooed, need to quit whining and just download the
> fraggin external unzip program?