By downloading a participant list you get an Excel-file containing all the participants' names and e-mail addresses grouped in tabs according to the Qvest you exported them from. The file adheres to the same format expected by the import functionality and can thus be used to copy a participant list (and grouping) from one Qvest to another.
In order to start your export, navigate to the participant tab of the relevant Qvest and click “Download” in the upper left corner:
If you wish to copy the participants to a different Qvest. Navigate to the participant tab of the given Qvest and click “Import via Excel” in the upper-right corner:
...and browse to or drag/drop the Excel-file you just exported from a different Qvest.