>can I simply replace the new 'Powermail >Files' folder with the old 'Powermail Files4.2b' folder
NO!!!! this is where your database, addressbook and preferences are stored! replacing would delete all your data. either >> menu >> file >> database >> change user environment >> select former power mail folder or move all important data (database, addressbook, attachment folder...) into the new folder (while PM is not launched!) and then launch PM again. ---marlyse
