To open MDF files without SQL Server, you can use the SysInfo MDF File Opener. First, download and install the software on your computer. Once installed, launch the program and click the "Browse" button to select the MDF file you want to open. Whether the file is healthy or corrupt, the tool can handle both. If the file is corrupt, you can choose a recovery mode based on how damaged it is. After that, the software will show you a preview of the file's contents, such as tables, columns, and other components, in an easy-to-navigate structure.
Read more: https://www.sysinfotools.com/freeware/sql-viewer.php