Shopify CSV import error checklist

Check one non-sensitive product CSV for supported causes of missing-header, illegal-quoting, duplicate-handle, option, and row-structure errors.

Verified boundaries

One file, maximum 10 MB and 25,000 rows. No sensitive data, fuzzy identity matching, ambiguous merging, or third-party acceptance guarantee. Source evidence is preserved and exceptions require review.

What to check

Checks include UTF-8 encoding, required Title and Handle context, product handles, option relationships, valid row widths, and required values.

Safe next step

Use a source copy and Shopify's current template, avoid unreviewed overwrite imports, and have the store owner perform the final upload.

Capability lineage: CAP-SHOPIFY-CSV-PREFLIGHT-v1

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