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UPC and MPN are not always in Cart2Cart’s default product field map for every Source→Target pair. If they did not appear on the Target store after an osCommerce migration, the fields likely need an explicit mapping or a custom migration.

UPC / MPN after migration (current)

1. Confirm where UPC/MPN live on the Source (core product fields vs custom attributes) and which Target fields should receive them (SKU, EAN, UPC, MPN, metafields, etc.).

2. Check the Demo Migration sample products. If values are missing, contact Cart2Cart support (Live Chat / ticket) and request field mapping or a custom migration.

3. Do not assume every Target cart has native UPC and MPN columns—some platforms store them only as attributes or apps.

4. After a custom mapping is applied, re-run Demo before Full Migration.

Earlier explanation (legacy)

Older copy noted that automated migration may omit UPC/MPN for pairs such as osCommerce → Pinnacle Cart by default, and that a custom migration can include those fields.

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You can estimate an osCommerce to PrestaShop shopping cart migration with Cart2Cart even when the source store uses custom product attribute tables. Use the steps below for current PrestaShop targets first; older 1.5/1.6 wording remains under the legacy section.

osCommerce → PrestaShop 1.7 / 8.x (current)

1. Open the Migration Estimator and select osCommerce as the source and your PrestaShop version (1.7.x or 8.x) as the target.

2. Enter entity counts (products, customers, orders, etc.). The estimator returns an approximate automated-migration price based on volume and carts.

3. Standard product options/attributes that map to PrestaShop combinations or features are usually covered by automated migration. A custom osCommerce attribute table (non-standard schema) is not guaranteed in the base price.

4. Share the custom table structure (as in your original request) with Cart2Cart via Live Chat or a Migration Expert call. Support will confirm whether it fits automated mapping or needs a Data Migration Service quote.

5. Run a free Demo migration to validate core catalog/order mapping before Full Migration.

osCommerce 2.2 → PrestaShop 1.5 / 1.6 (legacy)

You can estimate the cost of your shopping cart migration using the Migration Estimator. This tool provides an approximate cost based on the platforms you're migrating from and to, as well as the volume of data involved. Please note that while Cart2Cart strives to migrate all essential data, the migration of highly customized attributes may present challenges depending on the specific platforms involved. Contact our support team via Live Chat to confirm if your custom attributes can be migrated.

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Troubleshooting Product Attribute Migration with Cart2Cart

Why Aren't My osCommerce Text Field Attributes Migrating Correctly?

Unfortunately, due to limitations in the osCommerce platform, Cart2Cart cannot directly transfer text field attributes as text fields. By default, attribute values are transferred as dropdown options. This is because osCommerce handles text field attributes differently than other platforms.

If you require text field attributes to be transferred, a custom migration solution may be necessary. Consider reaching out to our support team via Live Chat to discuss potential workarounds or custom migration options. Contact support via Live chat to check if a custom migration is possible.

For optimal data migration, consider these alternatives:

• Restructure Attributes: If possible, modify your osCommerce store to use dropdown attributes instead of text fields.
• Custom Migration: Explore custom migration options with Cart2Cart's support team to address the specific needs of your data.

Need help planning your data migration? Schedule a Call with a Migration Expert to discuss your specific requirements and ensure a smooth transition.

Ready to get started? Start your free demo and see how Cart2Cart can simplify your platform migration!