Communication between Outlook and Exchange Online Archiving occurs via an SSL-secured tunnel, using the RPC-over-HTTP Windows networking component.
Outlook Anywhere - Outlook Anywhere lets Outlook users connect to Exchange Server and Exchange Online Archiving over the internet with no need for a VPN connection.Exchange Online Archiving supports Outlook 2013, Outlook 2010, and Outlook 2007. Microsoft Outlook is a rich email program that includes support for calendaring, contacts, and tasks. Microsoft reserves the right to block or throttle connections from any client software that negatively impacts the health of the Exchange Online Archiving service.
