It is a file type on Mac . <| sep |> Hey , whatever helps you sleep at night . It ' s your country , have fun . Still makes no sense . <| sep |> SD ' s run defense is better than Dallas ' s . Oakland ' s run defense is worse than the Packer ' s . So , no . <| sep |> You are correct , it syncs your contacts to Google account , but actually the sync is not backup . I ' ve wrote a post about that some time ago 7 Reasons Why You Need to Backup Your Cloud Services D a t a r e a s o n s w h y y o u n e e d t o b a c k upyourcloudservicesdataIn a nutshell there are some ways to lose the data that is synced to cloud services like Google . Of course , cloud services provide some level of data protection , but we should also consider local backup as a complementary solution for data protection .