Cleaning Supplier Product CSVs Before a Shopify Import

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A guide explains how to prepare a supplier spreadsheet for Shopify before importing it, covering headers, delimiters, and identifiers. It advises working on a copy of the original file and defining what each row represents before making changes. Identifiers like SKUs and barcodes should be set as text to preserve leading zeros, and duplicate codes should be reviewed rather than deleted automatically. Prices need their decimal and thousands separators interpreted correctly according to the source format and currency. The author demonstrates the process using a synthetic four-product test file run through a local Python conversion tool, noting that no live Shopify import was tested.

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