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Migrating CRM data yourself is reasonable when the data is small, clean and comes from one source with few custom fields. It becomes risky once you add large volumes, custom objects, attachments, activity history, several sources or integrations that must keep running. A migration partner is worth the cost when a failed or messy cutover would disrupt the sales team, damage reporting or leave records without their history.
What the Built-In Tools Can and Cannot Do
| Tool | Good For | Limits |
|---|---|---|
| Data Import Wizard | Simple imports of accounts, contacts, leads, campaign members and custom objects | Up to 50,000 records per import, limited objects and no handling of complex relationships |
| Data Loader | Larger volumes and all object types, including updates, upserts and deletes | Needs technical skill, careful load order and external IDs to keep relationships |
Neither tool cleans, deduplicates or maps your data for you. They load whatever you give them.
Where Self-Migrations Usually Fail
- Duplicates: dirty source data is loaded as-is and reports are wrong from day one.
- Broken relationships: contacts and deals lose their links to accounts because records were loaded in the wrong order.
- Missing history: notes, attachments and activities are left behind because they need separate handling.
- Wrong owners and dates: every record shows the importer as owner and the import date as created date.
- Stopped integrations: connected tools break because nobody re-pointed them.
DIY vs Partner at a Glance
| DIY | Migration Partner | |
|---|---|---|
| Best fit | Small, clean, single-source data | Large, messy or multi-source data |
| Cost | Lower direct spend, high internal time | Higher direct spend, lower internal effort |
| Risk | Higher, especially for history and relationships | Lower, with trial loads and validation |
| Speed | Depends on in-house availability | Planned around a fixed cutover |
| Rollback | Often not planned | Built into the cutover plan |
A Middle Path
Many teams split the work: the partner handles assessment, mapping, the trial load and the cutover plan, while the internal team cleans data and runs user testing. This keeps cost down without taking on the riskiest steps alone.
Who Should You Hire?
If your data is complex or the cutover cannot fail, Folio3 offers Salesforce migration services that cover mapping, trial loads and validation.
If you prefer to lead the work in-house, you can hire Salesforce developers to strengthen your team for the technical steps.
For admin help after the move, Salesforce managed services provide ongoing support.
People Also Ask
- What are the limits of the Salesforce Data Import Wizard?
- When do you need a Salesforce migration partner?
- What are the risks of a DIY Salesforce data migration?
- Data Import Wizard vs Data Loader: which should you use?
- Is it risky to migrate CRM data ourselves using the import tools, or do we really need a migration partner for a clean cutover?
Not sure whether to migrate in-house?
Talk to Folio3 about a quick assessment of what your team can handle and where a partner reduces risk.
Get a migration readiness review from Folio3 →