# msaccess > Microsoft Office's database management application. > More information: . - Launch the database application: `msaccess` - Open an existing database file: `msaccess {{path\to\file.accdb}}` - Open an existing database file in [r]ead-[o]nly mode: `msaccess /ro {{path\to\fileaccdb}}` - Open a database, then e[x]ecute a specific macro: `msaccess {{path\to\file.accdb}} /x {{MacroName}}`