You can easily export the related fields with custom export field selector.
Here are the steps:
1- Select the products and go to Export>Custom…
2- Select the related fields from the information section or search for them.
3- Download the file from the Notification from the top right.
IMPORTANT NOTE:
- You can get detailed information about related fields such as date and time. Also, you can see the information about which user modified the product in which time.
- You cannot change these fields by uploading into the SA. Its purpose is informative.