The following changes must be to be made to your coreldrw.ini file.

[CorelAIExport]
V88Header=aihead.dat
V88Header2=aihead2.dat
V3Header=ai3head.dat
V3Footer=ai3foot.dat

[CorelDXFExport]
InchHeader=dxfhead.dat
MMHeader=dxfhead2.dat

[CorelTIFFExport]
ExportToTiff42=1
