If you happen to have a file that seems to take forever to open and save, you might try the following:
- Open the Color Styles Docker (Windows/ Dockers / Color Styles) and remove all colors in the styles docker for the particular document.
- Open the Views Manager (Window/ Dockers / View Manager (Ctrl+F2)) and delete all views stored in the docker for the document.
- Once you clear out the views and color styles, make sure you click 'Save setting' as Default (Window / Save Settings as Default). Doing this will ensure the next time you start a new document, it will be free of any stored & saved views or colors.

Tip provided by Roger Wambolt, CorelDRAW team.