--- title: How to Modify File-Mapping Information description: How to Modify File-Mapping Information author: jamiejdt ms.assetid: d3a9d10a-6cc8-4399-9479-b20f729c4dd9 ms.pagetype: mdop, appcompat, virtualization ms.mktglfcycl: deploy ms.sitesec: library ms.prod: w8 --- # How to Modify File-Mapping Information After you sequence an application but before you save it, you can manually modify the virtual file system. Use the following procedures to add, delete, or edit a file in the virtual file system. **To add a file in the file system** 1. Click the **Virtual File System** tab. 2. Right-click a file under the virtual file system root in the left pane. On the menu, select **Add**. 3. Complete the following tasks in the **New Virtual File System Mapping** dialog box: 1. To specify the new file association type the full network path to the new file. 2. Click **OK**. 4. To override the local directory, right-click the file you just added and, on the menu, select **Override Local Directory**; or to merge with the local directory, select **Merge with Local Directory**. 5. On the **File** menu, select **Save** to save this change. **To delete a file in the file system** 1. Click the **Virtual File System** tab. 2. Right-click a file in the virtual file system, and select **Delete**. 3. Accept the confirmation message by clicking **OK**. 4. On the **File** menu, select **Save** to save this change. **To edit a file in the file system** 1. Click the **Virtual File System** tab. 2. Right-click a file in the virtual file system. On the menu, select **Edit**. 3. Complete the following tasks in the **Edit Virtual File System Mapping** dialog box: 1. To edit the file association, specify the full network path to the new file. 2. Click **OK**. 4. To override the local directory, right-click the file you just edited and, on the menu, select **Override Local Directory**. 5. On the **File** menu, select **Save** to save this change. ## Related topics [About the Virtual File System Tab](about-the-virtual-file-system-tab.md) [Sequencer Console](sequencer-console.md)