mindgames 0 Newbie Poster

Hi,
Is it possible to preserve or retrieve the date of creation of a text file that has been, say, downloaded from an email attachment?
I know some types of files have a format-dependent timestamp which is independent of file attributes, i guess (if i'm not wrong) my question boils down to, is there such as a feature for text files?
what about text file stored in a zip file that have bee downloaded as email attachments?