Copyright is quite literally about the right to control the creation and distribution of copies.
The creation of the unzipped file is not treated as a separate copy so the recipient would not be violating copyright just by unzipping the file you provided.
Copyright is quite literally about the right to control the creation and distribution of copies.
The creation of the unzipped file is not treated as a separate copy so the recipient would not be violating copyright just by unzipping the file you provided.