What networks can I add to my CircleBack account? CircleBack Support Updated October 26, 2016 01:18 Follow At this time, the following networks can be added to your CircleBack account: Google (up to 2 Gmail accounts) Exchange Facebook Twitter Yahoo Microsoft Related articles What does adding a network do? Will my contacts on my device sync to the web? How do I connect accounts for Email Signature Capture? What happens if I change a password on one of my synced networks? Can I capture signatures from sources other than Gmail? Comments 0 comments Article is closed for comments.