MacSonik Yahoo Backup Tool easily Backup Yahoo emails into multiple email clients and file formats on Mac OS. MacSonik Yahoo Backup Tool is a Mac-based software to backup and migrate Yahoo emails into 20+ file formats and email clients. This is the most advanced and feature-rich software able to convert and import Yahoo mailbox into PST, PDF, EML, TXT, MSG, DOC, Gmail, Office 365, Yandex Mail, IMAP, iCloud, Opera Mail, etc. It can convert bulk Yahoo emails at a time with or without email attachments by preserving the original folder hierarchy. Yahoo Backup Tool is integrated with an advanced and user-friendly GUI due to which it is easy and compatible to run by any user. The software has multiple core features that make it the most suitable and recommended solution.