SyncTime syncs the source with the destination. It does not sync the source with the file inside the destination that has the same name as the source. That’s why the source and the destination need to have the same type: they both need to be either directories, packages or regular files. Photos Library In a…

macOS sometimes creates files that are hidden in the Finder and may cause confusion when mentioned in a sync error or listed in the sync confirmation dialog. Tip: you can toggle the display of hidden files in the Finder with the keyboard shortcut Command-Shift-. For additional help, see Filters.