The reason for this behaviour relates to the dialog options used for different ADOxx platform versions. To use the export dialog that allows to flexibly select and add references to the exported models. please update your ADOxx installation with the file attached to this message.
a) Download the file to your local PC
b) Copy/Paste the file into the installation directory of ADOxx (%PROGRAM_FILES%\BOC\ADOxx13\)
c) Confirm to replace the existing file.