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How to migrate your leads to another CRM without losing anything

Export, clean, import and verify: the practical guide to a CRM migration, with the columns that matter, the duplicates that ruin a database, and the following seven days, which is where it is won or lost.

Mary Pimienta Mary Pimienta Market and practical guides June 24, 2026 · 3 min read · Updated August 29, 2026

Switching CRMs is frightening for one concrete and legitimate reason: the fear of losing years of contacts, notes and context. The good news is that a migration is a procedure, not a gamble. This guide works for moving to any system, not only ours.

1. Export before you decide anything

The most used systems in the industry — Follow Up Boss, kvCORE, Lofty, GoHighLevel — export CSV natively, so the first step is to pull the file and look at it, even if you have not chosen where you are moving yet. That file tells you two uncomfortable and useful things: how many contacts you actually have, and what state they are in.

Export everything the system allows in a single pass: contacts, notes, tags and, if possible, activity. Then keep that original CSV untouched. Everything that follows happens on a copy.

2. Clean the CSV: half an hour that saves a month

3. Import in two passes

Never the whole database at once. First fifty test records, deliberately including the odd ones: the contact with two phone numbers, the one with no email, the one with accents in their name. You check how they landed — accents and dates above all — and only then upload the rest. If something mapped wrong, fixing fifty rows is a minute and fixing five thousand is an afternoon.

4. Verify with numbers, not with a feeling

5. The following seven days

This is where a migration is won or lost, and it has nothing to do with data: it has to do with people. There is one rule and it is a hard one — the old system gets closed. If the team can go back, it goes back, and in two weeks you have two half-populated databases and no reliable one.

In that first week, review daily what actually got logged: if an agent is not recording calls, it is not reluctance, it is that they do not yet know where. That is a fifteen-minute problem if you spot it on Tuesday and a three-month problem if you discover it in October.

If you would rather not do it yourself, in our case the CRM’s CSV import is free and self-service, with assisted or white-glove migration if you want us to handle it: the options and prices are on the pricing page. The step-by-step inside the platform is in the agency CRM course.

Frequently asked

Do notes get lost when migrating CRMs?

Not if the source system exports them and you map them to a field in the destination. What often does get lost is formatting — line breaks, bold — and the separation between distinct notes, which sometimes arrive glued into a single field. That is why manually reviewing ten random files after importing is not optional: it is where you catch it.

How long does a CRM migration take?

The technical part, not long: exporting, cleaning and importing a few thousand contacts is a matter of hours if the CSV is tidy. What takes time is team adoption, measured in weeks. Schedule the migration for a quiet Monday, not for month-end.

What if my current CRM does not export?

Almost all of them do, though the option is sometimes buried in account settings or has to be requested from support. If there genuinely is no export, three paths remain: request the file formally — your data is yours — pull what you can from reports, or rebuild by hand whatever is active. And note the reason: next time, "how do I get my data out?" is a question asked before signing.

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