If you are facing an issue while accessing your SQL Database schemas, the DRS SQL Viewer Tool is exclusively for you. It is an MDF file viewer that allows you to open inaccessible SQL database files (.mdf and .ndf files). This utility reads the corrupted MDF and NDF files and displays the file content. Users can also Open MDF File in Windows This tool provides various functionalities for a better user experience. Moreover, this application is compatible with all versions of Windows OS.