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Merge Wix and Walmart Marketplace Sales Data for Monthly Sales Reporting

A monthly sales report across channels needs one date format and one revenue column, not a per-platform patchwork.

Why Wix and Walmart Marketplace exports don't line up

Wix: a Date Created column; a Total column with tax handling that varies by store region; an Order # formatted as a short number. Also, product options (size, color) are appended into the item name rather than given their own column.
Walmart Marketplace: an Order Date column separate from the ship-by date; item price and a separate Walmart referral fee; a numeric Purchase Order ID. Also, each order line can appear as its own row with a repeated order ID, similar to Shopify's line-item export.

For monthly sales reporting, 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 Wix export and map its columns once.
Drop in your Walmart Marketplace 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.