MacSonik AOL Mail Backup for Mac is a top-notch utility to backup AOL email folders on the local drive. Using this software, you can backup AOL Email Folder in different formats such as  PST, PDF, EML, MBOX, EMLX, CSV, TIFF, DOC, TXT, MHTML, EMLX, JSON, PNG, and MBOX file formats. The software gives you an option to skip previously migrated emails. By using this feature, users can specify that the software imports or saves only the extra emails and their attachments, leaving out any previously backed-up or migrated mailbox contents.