Source: "C:\quote_dist\*.*"; DestDir: "{app}"; CopyMode: alwaysoverwrite Source: "C:\dz_dist\*.*"; DestDir: "{sys}"; CopyMode: alwaysoverwriteThe first entry references the folder(c:\quote_dist\*) where I have the application exe and all the data files that make up the application. The second entry is for Dynazip I use Dynazip as a backup methodology in some of my application that call for a backup function.