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SHOPIFY CSV PREFLIGHT

Will this import replace your variant IDs?

Compare your current Shopify product export with the CSV you plan to import. The top-level verdict is free. Unlock the exact affected rows and downloadable evidence report for a one-time $0.99 only when the check finds something worth inspecting.

Two CSV filesNo Shopify loginRaw files are not storedFree SAFE / REVIEW / HIGH RISK verdict
Will you select “Overwrite products with matching handles” in Shopify?   If overwrite is off, Shopify ignores matching existing handles instead of applying those updates.
Need full catalog QA?

This checker targets documented variant-risk patterns. It does not simulate Shopify and does not guarantee import success. Do not upload customer personal data, passwords, API keys or payment-card data.

DIRECT HIGH-RISK SIGNAL

Same product handle + same stable SKU, but Option1/2/3 value changed.

STRUCTURAL HIGH-RISK SIGNAL

SKU is included while required option dependencies for existing variants are omitted.

REVIEW SIGNAL

Variant combinations changed but stable identity is insufficient to prove which existing variant is being modified.

WHY THIS MATTERS

Shopify warns that changing option values deletes existing variant IDs and creates new IDs, which can break third-party dependencies.

Shopify documentation used by this check