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.
MailStore - MailStore Home - A 100% free single-private-user desktop solution
ShDataRescue Office365 Backup - ShDataRescue Online Free Office365 Backup Tool to convert and save Office365 emails, contacts, calendar etc into
Cryoserver - Cryoserver is an all-in-one email archiving solution that empowers you to preserve your email in a tamper-evident archive, making you transform your data into a useful archive for everyday use.
MailsDaddy Office 365 Backup Tool - Office 365 Backup Tool to export PST from Office 365. Export Office 365 mailbox to PST securely and effortlessly.
Hornetsecurity Email Archiving - Hornetsecurity Email Archiving is one of the advanced software that offers long-term, unchangeable, and secure storage of important company information, data, and flies.