Shopify CSV help
Find duplicate variants in a Shopify product CSV
Check the affected CSV now
The row-by-row diagnostic is free and runs in your browser. If RowReady finds safe repairs you want to export, the repaired file is a one-time $9 USD—no signup or subscription.
Check my CSV free →Compare the handle and all option values together. Two rows describing the same product and identical options may represent a duplicate variant, even when their SKUs differ.
Extra image rows can repeat a handle without defining another variant. Keep them distinct from variant records. RowReady preserves rows rather than guessing which one you meant to keep.
canvas-tote,Color,Natural canvas-tote,Color,Natural Review this repeated option combination.
Reference: Shopify’s product CSV documentation. Always compare against a recent export from your own store.