Yes. To back up multiple Yahoo Mail accounts at once, you can use a tool like SysInfo Yahoo Backup Tool. It supports bulk account backups, lets you select mailbox folders, and saves emails in formats such as PST, PDF, EML, and MBOX, making the process much faster than backing up each account manually. It is especially useful for businesses, administrators, or users managing multiple Yahoo accounts. More: https://www.sysinfotools.com/yahoo-backup.php