CSV product updates and creation
Safe CSV separates product updates from product creation. It defines how rows match, what blank cells mean, and what happens when a row or handle does not match.
Update existing
Map your columns, then match products by Product ID or Handle. Match variants by Variant ID or a store-unique SKU. The app blocks a SKU that points to more than one variant.
Create new
Handle groups the product and variant rows. The flow reads product details, up to three options, variant pricing, inventory, images from public URLs, ALT, and SEO fields.
The app reads structure and values before Shopify work starts. Mapping profiles can be saved for repeat files.
Update rows are matched and merged first. Ambiguous or invalid rows are separated from writable rows.
The result is bound to the store, file metadata, mode, mapping, and inventory location before execution.
The current CSV flow uses standard batched Shopify mutations. It does not use asynchronous Bulk Operations. For very large imports, split the file into batches you can review and recover.
Update mode reports unmatched rows instead of creating products. Create mode stops when a handle already exists.
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