# How to exclude records from the analysis

{% hint style="warning" %}

## From Buil 3.70.x, records are selected / excluded based on the Record Filter. 

* [Record filters allow to easily define an advanced logic to select the scope of the duplicate detection. ](/delpha-for-salesforce/delpha-upgrade/whats-new/duplicate/build-3.70.0.md#record-filter)
* [You can always rely on formula fields for a dynamic duplicate detection range range](#advanced-use-case-dynamic-scope-with-formula-field)
  {% endhint %}

## How to Exclude Records from Duplicate Detection with "Do Not Compare"

When running **duplicate detection** on objects such as **Accounts**, **Contacts**, or **Leads**, Delpha allows you to **exclude specific records** by using the **D Do Not Compare** field.

This feature helps you control the **scope** of your analysis and avoid consuming unnecessary duplicate credits.

## How It Works

* **Field Name:** `D Do Not Compare`
* **Field Type:** Boolean (Checkbox)

| Value             | Behavior                                         |
| ----------------- | ------------------------------------------------ |
| `True`            | ❌ Record is **excluded** from duplicate analysis |
| `False` (default) | ✅ Record is **included** in duplicate analysis   |

***

## Advanced Use Case: [Dynamic Scope with Formula Field](/delpha-for-salesforce/how-to-faq/delpha-duplicate/how-to-make-duplicate-records-exclusion-dynamic.md)

If you want a more flexible setup:

* **Replace** Delpha's default checkbox with your **custom Boolean field** (e.g., formula-based).
* This allows for dynamic exclusion based on business rules (e.g., only exclude inactive records or those from a specific source).

{% hint style="danger" %}
Ensure your custom field is **visible to the admin profile** for it to be detected and used properly by Delpha.
{% endhint %}

## Why Use This?

* Helps you [**control duplicate credit consumption**](broken://pages/MqSOw8rZ6ChH4NA05PfJ)
* Prevents overloading the system with **irrelevant records**
* Offers more control over your **deduplication scope**


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