---
schema_version: "1"
id: 07c9f10054bcb142f4048e45eec56e9d453f1d0632ebd569e558917f88ac739f
title: Duplicate Rules
collection: admin
version: current
locale: en-us
portal_url: https://docs.salesforce.com/admin/current/en-us/sales/264-0-0/duplicate_rules_map_of_reference.md
canonical_url: https://help.salesforce.com/s/articleView?id=sales.duplicate_rules_map_of_reference.htm&release=264.0.0&type=5
source_site: help.salesforce.com
content_type: documentation
content_hash: 07c9fb5e8dad9d15c33e2e6f1e72c494f4762fe592f21a9a471c2f94dbc5861f
description: A duplicate rule defines what happens when a user views a record with duplicates or starts creating a duplicate record. Salesforce provides standard duplicate rules for business and person accounts, contacts, and leads. You can also create duplicate rules.
products:
  - Sales
  - Sales Enablement
release: "264"
---
# Duplicate Rules

A duplicate rule defines what happens when a user views a record with duplicates or starts creating a duplicate record. Salesforce provides standard duplicate rules for business and person accounts, contacts, and leads. You can also create duplicate rules.

### Required Editions

<table class="slds-table slds-table_bordered slds-max-medium-table_stacked slds-m-bottom_small edition"><colgroup><col></colgroup><tbody><tr class=""><td class="slds-cell-wrap" style="vertical-align:top;">Available in: Lightning Experience and Salesforce Classic</td></tr><tr class=""><td class="slds-cell-wrap" style="vertical-align:top;">Available in: <strong>Essentials</strong>, <strong>Professional</strong>, <strong>Enterprise</strong>, <strong>Performance</strong>, <strong>Unlimited</strong>, and <strong>Developer</strong> Editions</td></tr></tbody></table>

- **[Customize Duplicate Rules](https://help.salesforce.com/s/articleView?id=sales.duplicate_rules_create.htm&release=264.0.0&type=5)**  
    Manage duplicates more effectively by adjusting the settings in standard duplicate rules or creating custom rules.
- **[Things to Know About Duplicate Rules](https://help.salesforce.com/s/articleView?id=sales.duplicate_rules_overview.htm&release=264.0.0&type=5)**  
    Review considerations for using and customizing duplicate rules.
- **[Standard Duplicate Rules](https://help.salesforce.com/s/articleView?id=sales.duplicate_rules_standard_rules.htm&release=264.0.0&type=5)**  
    Each standard duplicate rule includes a corresponding standard matching rule that determines how records are identified as duplicates.

#### See Also

- [Matching Rules](https://help.salesforce.com/s/articleView?id=sales.matching_rule_map_of_reference.htm&release=264.0.0&type=5 "A matching rule defines how duplicate records are identified in duplicate rules and duplicate jobs. Salesforce provides standard matching rules for business and person accounts, contacts, and leads. You can also create custom matching rules.")
- [Enable Person Accounts](https://help.salesforce.com/s/articleView?id=sales.account_person_enable.htm&type=5&language=en_US)