 The picture shows the Synchronize Window when you have chosen to use your duplicate web folder as reference, which is the default mode. If you choose to use your original web folder as reference, the first option to synchronize your duplicate web folder with your original is omitted. Under the Sync tab in Preferences you find the synchronization options, for example to skip files and/or folders, or skip files whose name starts or ends with a certain string.
Further it is possible to skip folders whose name starts with an underscore. All synchronize actions will be displayed in a Sync Log on the Main Window. After the program has finished collecting remote information to determine files' modification date and time, you can watch the Log being populated with all Create Folder, Upload File, Delete File or Delete Folder actions. In the event that a certain action would fail, this is also indicated. It is recommended to perform a test run first. During this test procedure, the Sync Log will display what actions would have taken place. If you don't see any unexpected actions, you can safely perform a live synchronization. | 
