Incompatible flie formats

1.Problem description:Use CorelDraw X4 or other AI software to edit the graphics,then import the graphics into RDWorks software,and the graphics are not displayed.The suffix is in AI foramt.
2.Possible cause analysis of failure:Whether the CorelDraw X4 software or other AI software has selected appropriate compatibility for the exported graphics.CorelDraw X4 software or other AI software is generally compatible with graphics exported by Adobelllustrator8.0 or below(including 8.0).The rest are not supported.
3.Solutions:Select the right compatibility.