Carbonite - Unlimited online backup for one flat fee. Free trial, no credit card required.
Softaken Yahoo Backup - Softaken Yahoo Backup Tool to export emails of Yahoo Mail to PST, EML, & MBOX
Backblaze - Backblaze's remote backup automatically backs up your data to our secure datacenter.
ShDataRescue Hotmail backup Tool - Smart Hotmail Backup utility to save & download Hotmail mailbox emails to desktop. Hotmail email backup tool allows you to backup Hotmail items to PST, MBOX, Gmail, PDF, Yahoo, etc.
Code42 - Code42 is a SaaS solution for enterprises that secures all user data on one secure platform, leaving you and your business secure in the knowledge that both your employee's and customer's data is protected. Read more about Code42.
MigrateCloudData Yahoo Backup Tool - Yahoo Backup Tool allow users to backup and download Yahoo emails to hard drive into various file formats and popular email clients along with attachments.