After installing Corel Draw Graphics Suite X7 Co-existing windows explorer legacy thumbnail keep reverting to generic Corel Draw thumbnail.
1. Navigate to the folder where you have Corel Draw (.CDR) files saved.
2. Right click on one of the Corel Draw thumbnails.
3. Select "Open with".
4. Select "Choose default program"
5. Please make sure that Always use the select program to open this kind of file is checked.
6. Select Corel Draw Graphics Suite X7.
7. Click on "OK"
Thumbnails should display properly.