Conversion of Data Files

We have the visual foxpro dbf (database) files of our client, which is of marg software, but marg keep the data by encrypting it, but when customer want to switch to other software, he will loose his data because of marg locking. we need a program which can convert these lock files into dbf files or csv files after removing the lock/encryption. We are attaching the files and the actual data in that file should be.