Which PLC software?

[KTM Rider]

Hi, I'm trying to figure out which programming software I need in order to open the following PLC files... please dont ask what kind of PLC the files are from because I dont know! :) Here are the file extensions, there are 17 files .CPF CPF File 19.5 KB .DCF DCF File 2.4 KB .DDF DDF File 12.0 KB .DPF DPF File 79.1 KB .DSU DSU File 640 bytes .LDF LDF File 9.9 KB .LGF LGF File 250 bytes .LPF LPF File 9.8 KB .MDF MDF File 6.0 KB .NDF NDF File 390 bytes .RDF RDF File 7.4 KB .RPF RPF File 5.5 KB .RUF RUF File 3.0 KB .TDF TDF File 67 bytes .TFP TFP File 549 bytes .TSF TSF File 210 bytes .TSP Thanks for any help!

[Mike Lamond]

These extensions are from Schneider Electric ProWorx/NxT, for Modicon 984. It's an outdated 16-bit program which I was using just last month at one of our clients. Mike