I have two additional vaults that I also want to convert to iCloud sync, but the only options that show for either is DropBox or folder.
1Password Version: 1Password Version 6.1 (610006) Mac App Store
Extension Version: 4.5.5
OS Version: 10.11.4 (15E65)
Sync Type: moving to iCloud
Referrer: ug:mac/new-computer, ug:mac/sync-icloud, kb:icloud-troubleshooting, kb:switch-to-icloud, ug:mac/sync-icloud