Hello Dat,
Thanks for your reply. I am familiar with how to make variable products one at the time. But since I have about 40 000 products to add it might take a while.
However, I have purchased the import suite. I cant make it work. One product might have 4 variations. When I try to add a variation by using parent SKU and Child SKU the child is just added as a new unique product. It says that it is a child product, but its really not.