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The Best Way to Merge Squarespace and Walmart Marketplace Data for Multi-Channel Reconciliation

If you're doing multi-channel reconciliation by hand right now, here's the fastest path from "two exports" to "one usable sheet," and why the manual version keeps breaking.

Step by step

  1. Decide your target columns once. Most people settle on Date, Channel, Order ID, and Total — set that up in CSV Experts and you won't redo it.
  2. Import the Squarespace file first. The first time you see this file shape, you map each of its columns to your target list.
  3. Import the Walmart Marketplace file the same way. Its columns get mapped once too — after that, every future file with this shape merges with no extra clicks.
  4. Check the merged totals. Dates and numbers are normalized automatically, so a European "24,00" and a US "24.00" both land as the same value.
  5. Export. CSV or Excel, ready for multi-channel reconciliation.

What actually goes wrong if you do this by hand

Squarespace gives you a Date column in ISO-like format, while Walmart Marketplace gives you an Order Date column separate from the ship-by date — line those up manually across a few hundred rows and it's easy to miscount a week. On top of that, Squarespace's export customer and shipping address fields are wide, so the money and date columns can end up far to the right of the sheet, and Walmart Marketplace's each order line can appear as its own row with a repeated order ID, similar to Shopify's line-item export. Individually those are minor quirks; combined into one spreadsheet by hand, they're where most reconciliation errors for multi-channel reconciliation actually come from.

Why it matters for multi-channel reconciliation

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

Try it with your own files →

Just want the quick column-difference reference instead? See the short version.

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