reg query "HKLM\SOFTWARE\ODBC\ODBCINST.INI\ODBC Drivers" reg query "HKLM\SOFTWARE\WOW6432Node\ODBC\ODBCINST.INI\ODBC Drivers" Linux 1. Check odbcinst.ini # List all installed drivers odbcinst -q -d Check specific driver odbcinst -q -d | grep -i "driver name" 2. Query configuration files cat /etc/odbcinst.ini cat ~/.odbcinst.ini 3. Using unixODBC tools # Show driver details odbcinst -d -n "DriverName" Check if command exists which odbcinst macOS # Check iODBC or unixODBC drivers odbcinst -q -d Or check configuration files cat /etc/odbcinst.ini cat ~/.odbcinst.ini Cross-Platform Script (Most useful) Python example: import pyodbc def check_odbc_driver(driver_name): """Check if ODBC driver is installed""" try: drivers = [d for d in pyodbc.drivers()] if driver_name in drivers: print(f"✓ driver_name is installed") return True else: print(f"✗ driver_name not found") print(f"Available drivers: drivers") return False except Exception as e: print(f"Error: e") return False Usage check_odbc_driver("SQL Server") check_odbc_driver("PostgreSQL Unicode") Bash script (Linux/macOS): #!/bin/bash check_driver() grep -qi "$1"; then echo "✓ $1 is installed" return 0 else echo "✗ $1 not found" return 1 fi