CorelDraw graphics editors can export or convert its own .cdx graphics files (compressed drawings) to multitude of other available formats, including TIFF. This is basically a vector to bitmap conversion with all its limitations, but it can be done. We do not know about any 3rd party graphics editors that could otherwise handle .cdx files.
Convert CorelDRAW compressed drawing to Aldus Tagged Image File Format (TIFF) bitmap image.
We found one software available in the database for this conversion.
Microsoft Windows software - convert cdx to tif on Windows
A set of applications used by professional graphic designers
Convert from cdx file format
The table with program actions contains information about what each program is capable of doing with their files. This may be a good pointer for further searches for certain file conversions and help you find the converter you are looking for if our search result is insufficient for you. However, it is far from perfect and may sometimes show results which are not really usable because of the nature of the software handles the files. So a conversion that appears as possible, just because of matched actions, may in fact not be possible.