eWallet GO! supports manual backup and restore on some platforms, and automatic synchronization on others.
eWallet GO! can backup and restore data from
Google Documents and Dropbox.com. The backup format is identical for any version of eWallet GO!, so you can backup and restore data to transfer it between devices and share it with the desktop version of eWallet GO! You will need either a Google account or a Dropbox account. Click here for more information on the online services supported by eWallet GO!
eWallet GO! for Windows now supports automatic synchronization instead of manual backup and restore.
eWallet GO! for iPhone and iPod touch now supports automatic synchronization instead of manual backup and restore.
You can also manually backup via email, by going to the Sync button in your wallet and choosing "Email Backup File". To restore the backup onto your device, just open the mail message on your device and tap on the file attachment to send it to eWallet GO!
It appears that in the May/June 2015 timeframe, Google made some incompatible changes that will prevent you from using Google Docs (or Google Drive) with the old eWallet GO! product.