--- title: Application Virtualization Sequencing Wizard-Add File Type Association Dialog Box description: Application Virtualization Sequencing Wizard-Add File Type Association Dialog Box author: jamiejdt ms.assetid: f7656053-3d92-448e-8759-b6b09cef6025 ms.pagetype: mdop, appcompat, virtualization ms.mktglfcycl: deploy ms.sitesec: library ms.prod: w8 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)