# Merging duplicates — Dedupely Knowledge Base

> The merge engine: merge options, merge rules, safety limits and history.

- URL: https://dedupe.ly/knowledge-base/merging-duplicates
- Section: knowledge-base
- Site index: https://dedupe.ly/llms.txt
- Any page: append `.md` to its URL for this plain-text form

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## Merging duplicates

The merge engine: merge options, merge rules, safety limits and history.
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[Merging duplicates This guide explains how to merge duplicates in Dedupely using Single, Bulk, or Auto Merge, with tips on safety settings, merge control, and results.](https://dedupe.ly/knowledge-base/merge-duplicates)
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[Merge options This guide explains all merge types in Dedupely: Auto, Bulk, Single, and Custom, and how to manage timing, statuses, and stopping merges if needed.](https://dedupe.ly/knowledge-base/merge-options)
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[Merge rules This guide explains how Dedupely merges CRM records using native logic and how to customize merge rules to control which values are kept or discarded.](https://dedupe.ly/knowledge-base/merge-rules)
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[Merge safety Match limits and merge limits cap how large a duplicate group can get before Dedupely asks you to review it.](https://dedupe.ly/knowledge-base/merge-safety)
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[Merge history This guide explains how to view, search, and export your merge history in Dedupely.](https://dedupe.ly/knowledge-base/merge-history)
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[Merging duplicates with an active HubSpot and Salesforce sync Merge duplicates in HubSpot and Salesforce, with SFDC sync on.](https://dedupe.ly/knowledge-base/merging-duplicates-with-an-active-hubspot-and-salesforce-sync)

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Feeding it the whole site?
[Read llms.txt](https://dedupe.ly/llms.txt)

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