You can use Yahoo’s built-in email forwarding feature to manually back up Yahoo Mail. Set up a forwarding rule to send your emails to another email account or service, which you can then access and save locally.

Alternatively, Sysinfo Yahoo Email Backup Tool is an excellent choice for comprehensive Yahoo email backups. This tool enables you to efficiently back up all your Yahoo Mailbox emails to your PC, hard drive, USB drive, and other storage locations. It also supports migration and saving of Yahoo emails to various formats like Thunderbird, Gmail, PST, EML, and TXT, ensuring 100% accuracy and data integrity. This software offers a reliable solution for managing and preserving your email data.

To know more about Yahoo Backup Tool please refer to: https://www.recoveryandmanagement.com/best-yahoo-mail-backup-tool/