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Merge WooCommerce and TikTok Shop Sales Data for Multi-Channel Reconciliation

Reconciling orders across channels means matching rows that were never designed to be compared side by side.

Why WooCommerce and TikTok Shop exports don't line up

WooCommerce: an Order Date in whatever format your WordPress site's locale is set to; an Order Total that depends entirely on which tax/shipping plugins are installed; a plain numeric Order Number. Also, column layout depends on which export plugin generated the CSV, so two WooCommerce stores can produce different headers entirely.
TikTok Shop: an order creation time stamped in UTC; order amount, platform commission, and affiliate commission split into separate columns; a long numeric Order ID. Also, refunded and partially-refunded orders stay in the export with a status column instead of being removed, so totals can overstate revenue if you don't filter by status.

For multi-channel reconciliation, 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 WooCommerce export and map its columns once.
Drop in your TikTok Shop 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.