um. don't quite understand the question. i've been editing mp3 files with audacity for 7 years. of course you can. you won't degrade the file. they are not copied. they are digital equivalents ... william The audacity4blind web site is at //www.freelists.org/webpage/audacity4blind Subscribe and unsubscribe information, message archives, Audacity keyboard commands, and more... To unsubscribe from audacity4blind, send an email to audacity4blind-request@xxxxxxxxxxxxx with subject line unsubscribe