The error message you are receiving when trying to import DICOM files into Romexis could be due to compatibility issues between Galileos Viewer and Romexis. It is recommended to check for compatibility requirements or contact the support teams of both software programs for assistance. As for exporting DICOM files, if you cannot find the "export file" option in Galileos Viewer, you may need to explore different menus or check the software's documentation for specific instructions on how to export DICOM files.