No. New program files are created with the latest updates and contain data, information and program features that are not available in old versions. Because of this, old versions of the program simply cannot recognize the files made with new versions. If you have an older version of AggFlow, updating your program will install the latest version of AggFlow that includes AggFlow DM. With the latest version of AggFlow you can open any file using the Worksheet only option or by dragging and dropping the file onto the AggFlow DM control panel.