[NomisCZ]

You can open it in text editor (eg. Notepad++, Visual Code), sql files aren't encrypted.

Sqlite DB browser maybe doesn't recognize sql format.

Connect directly to your database server (probably MySQL) - https://www.eversql.com/top-5-mysql-...s-for-windows/ or PHPMyAdmin/Adminer

SQLite vs SQL - https://www.quora.com/What-is-the-di...SQL-and-SQLite