Dropbox: "Enable"

Enables Dropbox support and shows necessary buttons to synchronize to your Dropbox account.

Dropbox: "Use device name"

Starting from version 2.1, this app supports Dropbox synchronization using the device name to group all the backups related to a single device. This means, you can have multiple devices using BackupIt! and syncing to the same Dropbox account and every device will see only its backups.

Dropbox: "Folder"

This is the Dropbox folder used by the device to synchronize its backups. It depends on the parameter "Use device name".