This shows our iODBC Administrator 64-bit supports both 32- and 64-bit architectures for the 32-bit version the same command only shows an i386 architecture. Applications/iODBC/iODBC Administrator64.app/Contents/MacOS/iODBC Administrator64 (for architecture i386): Mach-O executable i386 Applications/iODBC/iODBC Administrator64.app/Contents/MacOS/iODBC Administrator64 (for architecture x86_64): Mach-O 64-bit executable x86_64 Applications/iODBC/iODBC Administrator64.app/Contents/MacOS/iODBC Administrator64: Mach-O universal binary with 2 architectures: