Assumption: Dropbox account is already linked with Invoice King app. If you have not configure this, please click to this link for setting up dropbox. (1) Go to Home > Click on Settings. (2) Then click on the Cloud Icon (3) Then click on the Backup button. (4) This will create a backup to your dropbox account. (5) And it will then list down the backup file on the screen. (6) Click on the Refresh button to display the latest list.