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13
windows/security/threat-protection/windows-defender-antivirus/antivirus-false-positives-negatives.md
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@ -53,6 +53,19 @@ When you define an exclusion for Windows Defender Antivirus, you configure your
3. Under **Exclusions**, select **Add or remove exclusions**.
4. Select **+ Add an exclusion**, and specify its type (**File**, **Folder**, **File type**, or **Process**).
The following table summarizes exclusion types and what happens:
|Exclusion type |Defined by |What happens |
|---------|---------|---------|
|**File** |Location <br/>Example: `c:\sample\sample.test` |The specific file is skipped by Windows Defender Antivirus. |
|**Folder** |Location <br/>Example: `c:\test\sample` |All items in the specified folder are skipped by Windows Defender Antivirus. |
|**File type** |File extension <br/>Example: `.test` |All files with the `.test` extension anywhere on your device are skipped by Windows Defender Antivirus. |
|**Process** |Executable file path <br>Example: `c:\test\process.exe` |The specific process and any files that are opened by that process are skipped by Windows Defender Antivirus. |
To learn more, see:
- [Configure and validate exclusions based on file extension and folder location](https://docs.microsoft.com/windows/security/threat-protection/windows-defender-antivirus/configure-extension-file-exclusions-windows-defender-antivirus)
- [Configure exclusions for files opened by processes](https://docs.microsoft.com/windows/security/threat-protection/windows-defender-antivirus/configure-process-opened-file-exclusions-windows-defender-antivirus)
## Related articles
[What is Microsoft Defender Advanced Threat Protection?](https://docs.microsoft.com/windows/security/threat-protection/microsoft-defender-atp/microsoft-defender-advanced-threat-protection)

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windows/security/threat-protection/windows-defender-antivirus/configure-exclusions-windows-defender-antivirus.md
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@ -12,7 +12,7 @@ ms.localizationpriority: medium
author: denisebmsft
ms.author: deniseb
ms.custom: nextgen
ms.date: 09/03/2018
ms.date: 02/05/2020
ms.reviewer:
manager: dansimp
---
@ -23,21 +23,15 @@ manager: dansimp
- [Microsoft Defender Advanced Threat Protection (Microsoft Defender ATP)](https://go.microsoft.com/fwlink/p/?linkid=2069559)
You can exclude certain files, folders, processes, and process-opened files from Windows Defender Antivirus scans.
The exclusions apply to [scheduled scans](scheduled-catch-up-scans-windows-defender-antivirus.md), [on-demand scans](run-scan-windows-defender-antivirus.md), and [always-on real-time protection and monitoring](configure-real-time-protection-windows-defender-antivirus.md). Exclusions for process-opened files only apply to real-time protection.
Exclusions can be useful to avoid incorrect detections on files or software that are unique or customized to your organization.
Windows Server 2016 also features automatic exclusions that are defined by the server roles you enable. See the [Windows Defender Antivirus exclusions on Windows Server 2016](configure-server-exclusions-windows-defender-antivirus.md) topic for more information and a list of the automatic exclusions.
You can exclude certain files, folders, processes, and process-opened files from Windows Defender Antivirus scans. Such exclusions apply to [scheduled scans](scheduled-catch-up-scans-windows-defender-antivirus.md), [on-demand scans](run-scan-windows-defender-antivirus.md), and [always-on real-time protection and monitoring](configure-real-time-protection-windows-defender-antivirus.md). Exclusions for process-opened files only apply to real-time protection.
>[!WARNING]
>Defining exclusions lowers the protection offered by Windows Defender Antivirus. You should always evaluate the risks that are associated with implementing exclusions, and you should only exclude files that you are confident are not malicious.
## In this section
- [Configure and validate exclusions based on file name, extension, and folder location](configure-extension-file-exclusions-windows-defender-antivirus.md). This enables you to exclude files from Windows Defender Antivirus scans based on their file extension, file name, or location.
Topic | Description
---|---
[Configure and validate exclusions based on file name, extension, and folder location](configure-extension-file-exclusions-windows-defender-antivirus.md) | Exclude files from Windows Defender Antivirus scans based on their file extension, file name, or location
[Configure and validate exclusions for files opened by processes](configure-process-opened-file-exclusions-windows-defender-antivirus.md) | Exclude files from scans that have been opened by a specific process
[Configure Windows Defender Antivirus exclusions on Windows Server](configure-server-exclusions-windows-defender-antivirus.md) | Windows Server 2016 includes automatic exclusions, based on the defined server role. You can also add custom exclusions.
- [Configure and validate exclusions for files opened by processes](configure-process-opened-file-exclusions-windows-defender-antivirus.md). This enables you to exclude files from scans that have been opened by a specific process.
## Related articles
[Windows Defender Antivirus exclusions on Windows Server 2016](configure-server-exclusions-windows-defender-antivirus.md)