SQL Viewer - Version 18.0 SQL Viewer tool provided by Data Recovery Solutions is completely free to perform. It allows users to repair highly corrupted SQL database files like NDF and MDF and open them to view inaccessible or corrupted SQL files. Sometimes, SQL Server fails to open crucial SQL database files, in that case, you can use free SQL Viewer tool to open and view MDF file quickly. The SQL MDF Viewer not only open MDF files but it also helps in opening its tables, triggers, stored procedures, indexes, keys, etc. The SQL Viewer tool successfully open MDF and NDF files created in any version of the SQL Server such as SQL Server 2016, 2014, 2012 or below versions. If you want to analyze how it works, visit: http://www.data-recovery-solutions.com/sql-viewer.php