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.
DataHelp PST to Office 365 - DataHelp PST to Office 365 migration tool will help you to migrate Outlook to Office 365 cloud platform. This software will migrate entire data emails, contacts, calendars, tasks, etc.. from PST to Office 365 account.
MailStore - MailStore Home - A 100% free single-private-user desktop solution
Regain PST to Office365 Migration - This tool allow user to migrate Outlook PST file to Office 365 Account including with all folders. Use Free trial version to check software working and its capability.
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.
SysKit Security Manager - Meet your Office 365 security ally!