Prepare the list of products to upload. Preferable file format - Excel.
The file must contain mandatory columns:
SKU (product ID) / Product name / Category / Vendor name / URL on your website
Non mandatory fields:
The file to upload might contain non-mandatory fields such as:
1. EAN, UPS, ASIN, or other type of vendor code, that might be vital in finding an exact match
2. Tags - specific identification for your products. For example - tag Top Seller
3. Custom data - cost, MAP, sales, margin. Custom data are used in Repricing add-on.