Best Backup Backup Software!!
Try using "Cloudbacko home" software for taking backup of Dropbox. CloudBacko encrypts all the filenames and contents of your data on your local machine before sending to Dropbox. Besides, it encrypts everything with 256-bit truly randomized encrypting key. Thus, no easily hackable key such as "123", "abc", etc. will be used. With this unique encryption methodology, no one, not even the people from Dropbox, is able to know what you have backed up. Leaving a link below just follow the link to know more about the software