When an export is not working for Shopify please check the following:
2. Store is active. Example for non-active one:
In case no categories are showing up in the Shopify Settings Page, this can lead to products not showing up on the Shopify site after export. These might be the reasons why the Shopify categories are not showing up:
To fix the problem, validate 1 through 4. If you wish to keep the collections as automated on Shopify, we advise to look into the tags assigned to each of the collections on Shopify so the tags will capture the product titles.