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I received a message that contains a compressed RAR file.

How can find out who compressed the files and created RAR file? (the user account or computer name)

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Who sent the message / where did you get it? – cutrightjm Dec 10 '12 at 5:29
I mean the user account or computer name! – ARZ Dec 10 '12 at 5:34
copmressed in the title correct it – jjj Dec 10 '12 at 5:45
I think there is no way you could know from a RAR file..! – jjj Dec 10 '12 at 5:58
up vote 2 down vote accepted

RAR file format does not contain such information. In fact, I'm not aware of any common archive format that automatically stores information about who created the archive, or on which computer it was created.

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