Guides

Import guides

Step-by-step guides to get your messy exports into the tools you actually use.

2026-08-22

Why your HubSpot contact import fails (and how to fix it)

The real reasons HubSpot skips rows, empties your fields or garbles accented characters on a contact import — with the fix for each one.

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2026-08-22

Mailchimp import: fixing invalid and duplicate emails

Why Mailchimp rejects part of your list — invalid addresses, duplicates, previously unsubscribed contacts, date and tag formats — and what to do about each.

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2026-08-22

Salesforce lead import: required fields and common errors

Why the Data Import Wizard rejects your leads — missing Company, picklist values that don't match, date formats, duplicate rules — and how to fix each one.

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2026-08-22

Shopify product CSV errors: invalid header and skipped rows

What Shopify's product importer actually requires — Handle, Option columns, plain-number prices — and how to fix the errors it reports.

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2026-08-22

WooCommerce product import not working: the fixes

Duplicate SKUs, semicolon CSVs, timeouts on large catalogues, variations with no parent — the real causes of a failed WooCommerce import and how to solve each.

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2026-06-28

Clean a customer file for Pennylane, Sage or EBP (SIRET & IBAN)

Prepare a French B2B customer or third-party file for your accounting tool — SIRET/SIREN and IBAN cleaned and formatted the legal way.

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2026-06-28

How to import contacts into HubSpot from an Excel or CSV file

Map and clean your contact export so HubSpot accepts it on the first import — without reformatting columns by hand.

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2026-06-28

How to clean and import your contacts into a Mailchimp audience

Prepare a clean subscriber list for Mailchimp — valid emails, no duplicates, merge fields mapped — so your audience import doesn't bounce or waste your contact quota.

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2026-06-28

How to import leads into Salesforce from an Excel or CSV file

Map and clean your lead export to Salesforce's fields so the Data Import Wizard accepts it — no manual column matching, no duplicates.

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2026-06-28

How to import products into WooCommerce from a CSV

Turn a supplier or legacy product export into a WooCommerce-ready CSV — correct headers (Name, SKU, Regular price…), clean prices, stock and image URLs.

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2026-06-28

How to prepare a product CSV for a Shopify import

Turn a messy product export into a Shopify-ready CSV — correct headers, clean prices, weights and image URLs — so the import doesn't fail.

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