Glossary

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Glossary / Evaluation and implementation guide

Sync Backfill

Sync backfill is the import of historical records — contacts, accounts, opportunities — when a new integration connects.

The distinct risk versus event backfill is mass-triggering lifecycle automations on stale data: a CRM backfilled into a marketing platform can enroll years-old contacts into nurture sequences the moment records arrive.

Suppression during backfill is therefore a concrete implementation decision, not an afterthought.

A practical example

Example: connecting a CRM to a new marketing platform imports 40,000 historical contacts with lifecycle-stage suppression enabled, so no one enters a nurture sequence until a fresh activity occurs.

What to evaluate before investing

  • Ask whether the connector supports a backfill mode that suppresses workflow enrollment during import.
  • Verify you can choose which historical fields and stages import, and which are excluded.
  • Confirm how the platform distinguishes backfilled records from newly created ones afterward.

Limitations and tradeoffs

Suppressed records may lack the automation history that later workflows expect, so plan a controlled activation pass after backfill rather than assuming everything behaves as if it were always there.

Plan your next step with MeshLine

Connect this decision to your automation, organic marketing and customer lifecycle management. In a MeshLine demo, discuss your existing tools, the scope you need and how to measure the result.