---
title: Application Virtualization Sequencing Wizard-Add File Type Association Dialog Box
description: Application Virtualization Sequencing Wizard-Add File Type Association Dialog Box
author: dansimp
ms.assetid: f7656053-3d92-448e-8759-b6b09cef6025
ms.reviewer:
manager: dansimp
ms.author: dansimp
ms.pagetype: mdop, appcompat, virtualization
ms.mktglfcycl: deploy
ms.sitesec: library
ms.prod: w10
ms.date: 06/16/2016
---
# Application Virtualization Sequencing Wizard-Add File Type Association Dialog Box
Use the **Add File Type Association** dialog box to add a file type association for the application. To access this dialog box, click **File Type** associations on the **Configure Application** page and click **Add**. This dialog box contains the following elements.
**Extension**
Use to specify the file name extension for the file type associated with the application.
**File Type Description**
Use to specify a brief description of the file type.
**Content Type**
Use to specify a brief description of the MIME type.
**Perceived Type**
Use to select a file type.
**Confirm open after download**
Select to confirm that the file is opened after a download.
**Always show extension**
Select to display the extension with the file name.
**Add to New menu**
Select to add the file type to the **New** menu.
## Related topics
[Sequencer Dialog Boxes](sequencer-dialog-boxes.md)