modified eCommerce to BigCommerce Migration - Step-by-Step Guide & Expert Services

Seamlessly Transitioning from modified eCommerce to BigCommerce

Embarking on an e-commerce platform migration can be a daunting, yet incredibly rewarding, endeavor. If you're currently operating on a modified eCommerce platform and considering a switch to BigCommerce, you're looking at an upgrade to a robust, scalable, and feature-rich solution designed to boost your online sales and streamline operations. BigCommerce offers advanced functionalities, enhanced security, and a user-friendly interface that can significantly improve your store's performance and customer experience.

This comprehensive guide will walk you through the entire process of migrating your valuable store data from modified eCommerce to BigCommerce. Since modified eCommerce often involves custom or legacy systems, we'll approach this transfer by leveraging a reliable CSV file export method to ensure all your critical assets – from product SKUs and variants to customer data and order history – are moved accurately and efficiently. Prepare to unlock new growth opportunities with your revitalized BigCommerce store!

To begin your migration journey, you'll typically start at an initial setup screen, preparing to configure your source and target platforms.

Prerequisites for a Smooth Migration

Before you dive into the migration process, it's crucial to lay the groundwork for a seamless transition. Proper preparation minimizes downtime, maintains SEO rankings, and ensures data integrity.

Preparing Your Source (modified eCommerce) Store:

• Data Export: Since modified eCommerce platforms are often custom or highly specific, the most reliable method for data extraction is via CSV files. You will need to export all essential data, including products (with attributes, variants, and images), product categories, customer records, and order history, into well-structured CSV files. Ensure that all relevant metadata is included in your exports.
• Backup Your Data: Always perform a full backup of your modified eCommerce store's database and files. This is a critical step to safeguard your information against any unforeseen issues during the export or migration process.
• Review Data Cleanliness: Take this opportunity to clean up any redundant, outdated, or incorrect data within your modified eCommerce store. A cleaner dataset will result in a more efficient and accurate migration to BigCommerce.

For more detailed information on preparing your source store, read our How to prepare Source store for migration? guide.

Preparing Your Target (BigCommerce) Store:

• Set Up Your BigCommerce Store: If you haven't already, sign up for a BigCommerce account and set up your basic store. While you don't need to configure everything immediately, having the store operational is essential.
• Obtain BigCommerce API Credentials: BigCommerce migrations primarily rely on its robust API. You will need to generate specific API credentials within your BigCommerce admin panel. These typically include a Client ID (Username), an Access Token (API Token), and your store's API Path.
  • Navigate to Settings > API accounts in your BigCommerce admin.
  • Create a new API account.
  • Ensure you grant the necessary API scopes (permissions) for data access, such as read/write access for products, customers, and orders. BigCommerce specifies that a Custom app with required scopes is necessary for comprehensive data access.
  • Note that BigCommerce requires HTTPS for API connections.
• Consider Theme and App Strategy: While data migration is underway, you can begin exploring BigCommerce's Theme Store and App Store. Identify any plugins or integrations you'll need for specific functionalities that were present in your modified eCommerce setup.

For further details on setting up your target BigCommerce store, consult our How to prepare Target store for migration? FAQ.

Performing the Migration: A Step-by-Step Guide

With your preparations complete, you're ready to initiate the data transfer. This process typically involves a guided wizard that simplifies the complex task of moving data.

Step 1: Create an Account & Start the Migration

Begin by creating an account on your chosen migration service provider's platform. Once registered, you'll be directed to the migration wizard, which will guide you through each step of the replatforming process.

Step 2: Connect Your Source (modified eCommerce) Store

Since modified eCommerce is a custom solution, you'll connect it via CSV file import, utilizing the CSV.File Data Migration service.

1. From the list of supported carts, select "CSV File to Cart" as your Source Cart.
2. Upload the CSV files containing your exported products, categories, customers, orders, and other entities. The system will guide you through mapping the fields from your CSV to generic data structures.
3. Provide your Source Store URL (this might be optional or a placeholder for CSV migrations, depending on the tool).

This step establishes the data source for your migration.

Step 3: Connect Your Target BigCommerce Store

Now, configure the destination for your data.

1. Select "BigCommerce" as your Target Cart.
2. Enter your BigCommerce store's URL.
3. Input the BigCommerce API credentials you generated earlier: the Client ID, Access Token, and API Path. These details authorize the migration service to interact with your new store. Remember that BigCommerce's API requires specific scopes, which the migration tool will utilize.

The system will then verify the connection to your BigCommerce store.

Step 4: Select Data Entities for Transfer

In this crucial step, you choose exactly which data types you want to move from your modified eCommerce store to BigCommerce. You'll typically find a checklist of entities such as:

• Products (including product categories, manufacturers, attributes, and options)
• Customers
• Orders
• Coupons
• Blogs & Blog Posts
• CMS Pages

You can opt to select "All entities" or meticulously pick and choose based on your specific replatforming strategy. Ensure you consider all important data, including product images, customer reviews (if applicable from CSV), and SEO URLs.

Step 5: Configure Additional Options & Data Mapping

This stage allows for fine-tuning your data transfer, ensuring maximum data integrity and a smooth transition for your SEO rankings.

Additional Migration Options:

Review and select from various advanced settings that enhance your migration. These options often include:

• Preserve IDs: Options like "Preserve Orders IDs," "Preserve Product IDs," "Preserve Category IDs," and "Preserve Customers IDs" ensure that the original IDs from your modified eCommerce store are maintained in BigCommerce. This is highly recommended for maintaining internal references and some integrations. Learn more about How Preserve IDs options can be used?
• Create 301 SEO URLs: Absolutely vital for maintaining your search engine optimization. This option generates 301 redirects for your old URLs to point to your new BigCommerce URLs, preserving link equity and preventing broken links.
• Clear Target Store Data: The option to "Clear Target" ensures that any existing data in your BigCommerce store is removed before the migration, providing a clean slate for your incoming data. Read about Clear current data on Target store before migration option.
• Create Variants from Attributes: If your modified eCommerce used attributes to define product variations (e.g., size, color), this option will help correctly convert them into BigCommerce product variants.
• Migrate Groups to Tags: This specific BigCommerce option helps transition customer groups into a tag-based system for easier management.

Data Mapping:

During data mapping, you'll align specific fields from your source modified eCommerce data to the corresponding fields in BigCommerce. This is particularly important for:

• Customer Groups Mapping: Matching your legacy customer roles (e.g., "Wholesale", "VIP") to BigCommerce's customer groups or tags.
• Order Statuses Mapping: Ensuring your old order statuses (e.g., "Pending", "Shipped") correctly map to BigCommerce's order fulfillment workflow.

Step 6: Run Demo Migration & Full Migration

Before committing to a full transfer, it's highly recommended to run a Demo Migration. This free, partial transfer will move a limited number of entities, allowing you to:

• Check data integrity and formatting in your BigCommerce store.
• Verify that images, product descriptions, customer information, and order details appear correctly.
• Familiarize yourself with the process and address any potential issues.

Once you're satisfied with the demo results, you can proceed with the Full Migration. Consider purchasing a Migration Insurance Service, which allows for additional remigrations if you need to transfer new data or re-run the process. Learn more about How Migration Insurance works?

Post-Migration Steps: Securing Your New BigCommerce Store

Once your data has been successfully transferred to BigCommerce, several critical post-migration steps are necessary to ensure your store is fully optimized, functional, and ready for customers.

• Thorough Data Verification: Conduct a meticulous review of your BigCommerce store. Check product listings (including SKUs, descriptions, images, and variants), customer accounts, order history, and ensure that all migrated content (like blog posts and CMS pages) looks correct. This step is vital for ensuring data integrity.
• Configure Store Settings: Set up essential BigCommerce store settings such as shipping zones and rates, tax rules, payment gateways, and store currency. Ensure these align with your business operations.
• Install Themes and Apps: Customize the look and feel of your BigCommerce store by selecting and configuring your chosen theme. Install any necessary third-party apps or plugins that replicate functionalities from your modified eCommerce store or add new capabilities.
• Update DNS Records and Set Up 301 Redirects: Point your domain's DNS records to your new BigCommerce store. Critically, verify that all 301 redirects (especially those created during migration) are functioning correctly. This prevents broken links and preserves your hard-earned SEO rankings and link equity.
• Extensive Testing: Before going live, perform comprehensive testing. Place test orders, create customer accounts, test checkout processes, search functionality, and ensure all links are working as expected. Involve multiple team members for a thorough review.
• Go Live! Once all checks and configurations are complete, it's time to launch your new BigCommerce store. Monitor traffic, sales, and user experience closely in the initial days.
• Consider Ongoing Services: For any new orders or customer data generated on your old modified eCommerce store during the migration period, consider using a Recent Data Migration Service to transfer them to BigCommerce.

By diligently following these steps, you can ensure a smooth, secure, and successful transition from modified eCommerce to BigCommerce, positioning your business for future growth and enhanced online presence.