The MacGater IMAP Backup Tool lets you quickly back up emails from any IMAP account, including Gmail, Yahoo, and Office 365. It supports multiple formats like PST, MBOX, PDF, and EML, while keeping attachments and folder structure intact. With built-in filters, duplicate removal, and optional server space cleanup, it’s perfect for secure archiving or migration. https://www.macgater.com/imap/backup/