CSV Import Guides

Fix the most common Amazon flat file CSV import errors — SKU problems, invalid condition codes, price formatting, fulfillment channel values, and template mismatch issues.

Learn which boolean fields in Amazon Seller Central Flat Files expect 'y' or 'n' (not TRUE/FALSE or 1/0), how to fix invalid values in bulk, and how to avoid spreadsheet auto-formatting that corrupts boolean columns.

Understand what the eBay CategoryID field is, why it's required in File Exchange uploads, how to find the right category ID for your products, and how to fill it in bulk across your catalog.

Fix common eBay File Exchange CSV errors — invalid Action values, category ID problems, title length violations, condition codes, price formatting, and image URL issues.

A complete guide to the Etsy listing CSV template — every field explained, accepted values for dropdowns, required vs optional columns, and how to fix common import errors.

Understand the difference between appending rows, merging files with the same structure, and joining files with related data. Choose the right approach for your ecommerce catalog workflow.