Setting File Type Properties You can customize how file types and their referenced files behave in the Explorer interface. To set properties for a file type: Expand File Types. Right-click the file type and select Properties, or double-click the file type. The list contains all file types currently stored in the vault. From the File Type Properties dialog box, select options. Click OK. Parent topicFile Types File Type Properties Dialog Box Preventing Duplicate File Names in the Vault Duplicate File Name Check Dialog Box