Mailboxes just hold e-mail messages.
Eudora asks you what you would like to call the new mailbox. To create a folder, check Make this as a folder . For example, you can transfer all the messages from your children into a personal mailbox, and raise the priority of all the messages from your work group to Highest Priority . To open the filters window, select Filters from the Tools menu To close the Filters dialog box, select Close in the File menu.