>>What is supposed to be used to open 7z files and why the name includes kor? I downloaded the advanced 64 bit version but don't know what to do with it. I have no default program opening the 7z files.
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>Everyone should have / get 7-zip :)
>It does zip, 7z and everything else. It is good. And free.
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https://www.7-zip.org/>
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>The 7z format is smaller that zip.
ABSOLUTELY, "Everyone should have / get 7-zip :)"
Come on, people! ;) IMHO, 7zip is now the default zipper application.