Dropbox additional encryption methods can break syncing

There are utilities available that offer to add extra layers of encryption to your Dropbox files. Your 1Password data is already encrypted, so it is not required to place it in any encrypted containers in Dropbox. Doing so will break the syncing and make your data inaccessible on mobile devices.

We understand people wanting to keep their data secure, and wanting to take measure to protect it. That's why we employ a variety of measures to help secure your data, whether or not you are using Dropbox.

For further reading, check out the blog post on Dropbox and your data, and how we protect your Master Password.