Flat Files Video 2 - Upload Product Spreadsheets in Amazon Seller Central

Learn how to upload and submit completed product inventory spreadsheets in Amazon Seller Central and check their processing status.

August 26, 2026 By SellerPro Amazon Agency

This guide walks through uploading a completed product inventory spreadsheet to Amazon Seller Central to create or update listings in bulk.

This process applies to Amazon sellers and catalog managers who have prepared their product spreadsheet and are ready to submit it for processing.

Supported File Formats

Before uploading, ensure your file is saved in a format accepted by Amazon Seller Central:

Format	File Extension	Description
Excel Workbook	`.xlsx` / `.xlsm`	Standard spreadsheet format downloaded directly from Amazon without changing file types.
Tab-Delimited Text	`.txt` / `.tsv`	Text file format where columns are separated by tabs.

You can save your file in Microsoft Excel as a standard Excel file or as a Text (Tab delimited) (*.txt) file.

Upload Your Catalog Spreadsheet

Step #1: Click Catalog in the top navigation menu and select Add Products via Upload. — Click **Catalog** in the top navigation menu and select **Add Products via Upload**.

Step #2: Drag your completed spreadsheet file into the upload box under the Upload file section, or click the box to browse. — Drag your completed spreadsheet file into the upload box under the **Upload file** section, or click the box to browse.

Step #3: Click your spreadsheet file in the file picker dialog to attach it. — Click your spreadsheet file in the file picker dialog to attach it.

Amazon will perform an initial validation check on the file format immediately after selection.

Step #4: Click Submit products to send the spreadsheet to Amazon for catalog processing. — Click **Submit products** to send the spreadsheet to Amazon for catalog processing.

Check Processing Status

Step #5: Click Check Upload Status to review the progress of your batch upload. — Click **Check Upload Status** to review the progress of your batch upload.

Processing times typically range from a few minutes up to 20 minutes. Once completed, the status will show whether the batch succeeded or if specific rows generated errors (e.g., failed listing entries).

Q: What file formats can I use to upload listings to Amazon?

A: Amazon Seller Central accepts both standard Microsoft Excel files (.xlsx, .xlsm) and Tab-Delimited Text files (.txt or .tsv).

Q: How long does Amazon take to process an uploaded spreadsheet?

A: Processing usually takes a few minutes, but larger batches can take up to 20 minutes to complete.

Q: How do I know if some product listings failed during upload?

A: Navigate to the Check Upload Status section. If any records fail, Amazon displays an error count (such as "7 out of 32 failed") and provides a downloadable report detailing the errors.

Term	Definition
Add Products via Upload	An Amazon Seller Central feature allowing sellers to create and edit multiple product listings simultaneously using bulk data files.
TSV (Tab-Separated Values)	A plain-text data format where columns are delimited by tab characters, commonly used for inventory feeds.
XLSM	An Excel spreadsheet format that supports macros, frequently used by Amazon for template files with built-in validation rules.