Guides for e-commerce teams
Learn how to avoid CSV problems when importing products, inventory, and customer data.
CSV Import Fundamentals
Learn how to prepare CSV files for product and customer data.
Excel Leading Zeros Guide
SKU codes and product IDs get truncated by Excel.
Scientific Notation Problem
Large product codes get converted to scientific notation.
Excel Formatting Guide
Hidden formatting can wreck your data in import.
Excel to CSV Guide
How to safely convert product inventory to CSV.
Google Sheets to CSV Guide
Export a sheet as CSV without breaking dates, codes or accents.
Shopify Product CSV Import Errors
Fix failed imports, split variants, missing images and changed barcodes.
WooCommerce Product CSV Import Errors
Skipped rows, missing variations and images, and how to fix them.
Product Variants in a CSV
How Shopify, WooCommerce and Squarespace lay out sizes and colours.
Google Merchant Center Product Feed
Required attributes, formats and why to avoid CSV.
Collecting Product Data from Suppliers
SKUs, barcodes, variants, prices and images in one consistent format.
Shipping Label CSV Upload Errors
Shippo, ShipStation and Pirate Ship: addresses, country codes, ZIP codes, units and merged orders.
CSV URL Validation Guide
Product image links need the full https:// address to import.
Stop losing product data in broken imports
These guides cover common CSV problems. Import Builder catches data issues before they reach your store, preventing bad product data from being published.