I'm a lurker here but I wonder if this might be of assistance to you in loading/converting your old Coreldraw files. Going to a PDF means you can often import/convert that file using a more recent programme.
https://www.zamzar.com/convert/cdr-to-pdf/
You need to have an Autodesk account which gives you access to use the product for free as an enthusiast. It used to be an indefinite licence if you had a a small business with a turnover of less that $100k a year or were an enthusiast but it appears its a time limited offer for 1 year now...
