Export Option Grayed Out


I've been using Corel Draw X7 for a few years, but I have a new problem that I don't know how to solve: A new file I created cannot be exported.  The export option from the pulldown menu is greyed out.  I can export as a PDF, but that's not really a great option if I need a high DPI TIFF file.

Restarting Corel does not seem to correct the issue.

I've checked, but this does not seem to be an issue with other CDR files.

Any ideas?  Thanks.