What networks can I add to my CircleBack account? CircleBack Support Updated November 29, 2018 22:10 Follow At this time, the following networks can be added to your CircleBack account: Google Exchange Server (2013 / 2010) Office 365 (Exchange online) Outlook.com Twitter Yahoo Related articles Does CircleBack sync push contact updates to third-party accounts (like Gmail)? How can I add my Facebook contacts to CircleBack? How do I Sync my contacts to my iPhone? What's new in CircleBack 2.6? Comments 0 comments Article is closed for comments.