Try the following guide, this method and others helpful tips were found in Google on this query repair corel draw file, you might check it out
https://support.corel.com/hc/en-us/articles/216435167-How-To-Recover-Corrupted-CDR-Files
https://support.corel.com/hc/en-us/articles/216435747-Backup-and-Recovery-in-CorelDRAW-X6
https://onlinefile.repair/en/coreldraw.html
- rename the file to ".zip "
- open the zip-file with Winzip or WinRar (these programs has a repair-function for zip)
- try to repair the file
- then extract the riffdata.cdr from content-folder of zip-file and open this file in CorelDRAW
These steps work for me.
