To be able to use Dropbox sync, you will need to sign in with the same Diaro account and link the same Dropbox account on all the devices you want the data to be synced automatically on.
Dropbox sync is only available for Diaro PRO users.
1. Click Sync with Dropbox on the left side menu
2. Sign in with your Diaro account or with Google
3. Connect your account and your Dropbox account