---
title: "Set up duplicate check"
slug: "set-up-duplicate-check-general"
tags: ["Flow topic"]
updated: 2026-03-20T12:50:14Z
published: 2026-03-20T17:44:53Z
canonical: "docs.staedean.com/set-up-duplicate-check-general"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://docs.staedean.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Set up duplicate check

You can use duplicate check rules to check if data doesn't already exist in D365 F&SCM.

Before you can set up a duplicate check rule, set up the duplicate check to be applied.

You can apply these types of duplicate checks:

- **Basic matching**: Checks which combination of table fields has duplicate values. So, the combination of field values must be unique in the table.
- **Fuzzy matching**: Checks for duplicates applying fuzzy logic. A fuzzy duplicate check compares values from several fields. Based on the comparison, a duplicate score is calculated.

## Flow diagram

> [!NOTE]
> Note
> 
> In the flow diagram, clicking ‘Set up dynamic queries’ opens the related section in the ‘General setup’ section.

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## Related

- [Set up duplicate check rules](/set-up-duplicate-check-rules-flow.md)
- [Set up duplicate check - Basic matching](/set-up-duplicate-check-basic-matching-general.md)
- [Set up duplicate check - Fuzzy matching](/set-up-duplicate-check-fuzzy-matching-general.md)