unfamiliar with 7zip archive - Help!

[Chris Roy-Smith]

On 12/04/15 10:33, C.Tresenriter wrote:
>
>
>
> On Sun, 2015-04-12 at 09:46 +1000, Karl Auer wrote:
>
>> What does the "file" utility report? Might not have been
>> compressed/packaged the way you think they are, and file extensions can
>> lie.
>>
>> Email the sender and ask him *exactly* how he extracted the files.
>
> I'm already waiting for a response on that question.
>
> Here's the output of "file -z <file.7z.Z01>"
> 7-zip archive data, version 0.4 (Zip archive data, at least v2.0 to
> extract)
>
> and the 7z.zip file  reports simply:
> data
> Maybe I'm using the utility incorrectly?
>
> Years ago I had another archive like this (7z.Z01. 7z.Z02, etc) with
> several parts, I eventually decided I had spent enough time trying to
> figure it out and gave up.
>
>
have you read this article?
http://www.thegeekstuff.com/2010/04/7z-7zip-7za-file-compression/