[log in to unmask]">Recently someone told me that just opening an jpeg in Preview will degrade it even if you do nothing to it but look at it, not save. I hope that isn’t really true! _____ I can't imagine how that would be true. There would need to be some other action to cause a downgrade of quality. Britt Instructions to subscribe or leave the list are at https://www.gnsi.org/listserv List name is Sciart-L Problems: Email Lana Johnson at [log in to unmask]