How to enable Edit Bitmap tab on Property Bar
You will need to install photopaint if it is not already installed.
Then in windows explorer, right click on any .cpt file (export one from CorelDraw if you do not already have one) and select open with.
Do not click any of the offered options, but instead select choose default program.
Select photopaint and make sure the option Always use... is on before pressing OK.
FYI that as of Corel X8, this issue is still around. I had X8 installed, tried the trial for CD 2020, then uninstalled it. That is when the issue began and I had to Repair the X8 installation. Thanks to you for the solution.