DataPatch - Version 1.0 DataPatch is a compact and powerful software that reduce the size of softwares updates. To do so, DataPatch analyze two versions of a software and build an executable file containing all the modifications needed to update the “ old version ”. DataPatch can update a single file or a whole directory. DataPatch handles new files and can delete the files that are no longer found in the new version. DataPatch brings you extreme flexibility in the distribution of your software updates. Although DataPatch does not suit all kind of distribution, it is a powerful tool for on- line updates.