SysTools Office 365 Backup - Instantly backup your Office 365 Mailbox to PST / EML format with SysTools Office 365 Backup & Restore software for MAC and Win.
SysTools Gmail Backup - Backup Gmail Emails, Contacts, Calendar, and Google Drive Storage File by SysTools Gmail Backup Solution
Softaken Office 365 Backup - Softaken Office 365 Backup to export Office 365 files to PC
Gmvault - Backup the emails in your Gmail account.
Regain Office 365 to PST - Export or migrate Office 365 Mailbox to PST, EML, EMLX, MBOX, MSG and vCard format.
MailStore - MailStore Home - A 100% free single-private-user desktop solution