Dedupe Monitor

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Stable
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Last updated: 2026-06-03

Works with CiviCRM 5.51 or higher.

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Eases duplicate detection by performing periodic background scans for duplicate candidates across all contacts, for each appropriately configured Dedupe Rule; duplicate candidates are presented in reviewable batches, which you can then process for merging (or mark as "not duplicates") as usual with CiviCRM's merging features.

For more information, see the announcement blog post here, and the extension README here.

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