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The Best Way to Merge Etsy and Amazon Seller Central Data for Bookkeeping

If you're doing bookkeeping 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 Etsy file first. The first time you see this file shape, you map each of its columns to your target list.
  3. Import the Amazon Seller Central 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 bookkeeping.

What actually goes wrong if you do this by hand

Etsy gives you Sale Date, usually already in your local timezone, while Amazon Seller Central gives you a purchase date/time column stamped in UTC, not your local time — line those up manually across a few hundred rows and it's easy to miscount a week. On top of that, Etsy's export listing titles are included in full and often contain commas, which can shift columns if opened carelessly in Excel, and Amazon Seller Central's reports differ noticeably between the 'All Orders' report and the Payments/Settlement report — totals rarely match at a glance. Individually those are minor quirks; combined into one spreadsheet by hand, they're where most reconciliation errors for bookkeeping actually come from.

Why it matters for bookkeeping

Bookkeepers reconciling multi-channel sales need one consistent set of columns per month, not a different layout per platform.

Try it with your own files →

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

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