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Merge Depop and Faire Sales Data for Spreadsheet Automation

Automating a recurring sales spreadsheet breaks the moment a platform's export headers don't match what the automation expects.

Why Depop and Faire exports don't line up

Depop: a transaction date column; item price and Depop's payment processing fee as separate lines; a transaction ID rather than a traditional order number. Also, like Poshmark, the export is minimal and mixes sold, refunded, and offer-related rows together.
Faire: an order date shown alongside a separate ship date for wholesale orders; wholesale unit price plus a Faire commission column, distinct from retail-style totals; an order number tied to a retailer account rather than an individual consumer. Also, quantities are per case/pack rather than per unit, which throws off totals if merged as if it were a retail export.

For spreadsheet automation, that mismatch is exactly what causes hours of manual cleanup every period.

Open CSV Experts and set your target columns once (Date, Channel, Order ID, Total).
Drop in your Depop export and map its columns once.
Drop in your Faire export and map it the same way — both merge into one sheet, normalized.
Export as CSV or Excel. Same-layout files merge automatically next time.

No. Everything runs in your browser using JavaScript — your files are never sent to a server.

Yes. Add as many source files as you want; each distinct file layout is mapped once and remembered.