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The Best Way to Merge Squarespace and Facebook Marketplace Data for Multi-Store Reporting

If you're doing multi-store reporting 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 Facebook 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-store reporting.

What actually goes wrong if you do this by hand

Squarespace gives you a Date column in ISO-like format, while Facebook Marketplace gives you an order date recorded through Meta's commerce backend — 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 Facebook Marketplace's many sellers use Marketplace only for listings with no built-in checkout, so exports may only exist via a connected store's own platform. Individually those are minor quirks; combined into one spreadsheet by hand, they're where most reconciliation errors for multi-store reporting actually come from.

Why it matters for multi-store reporting

Reporting on multiple storefronts only works cleanly once every store's export uses the same column layout.

Try it with your own files →

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

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