In Access, to Exit Office Access 2007Access

To exit Microsoft Office Access 2007 (and most Windows applications), you can use the keyboard shortcut ALT+F4. Pressing ALT and F4 together will close the active window or application, in this case, it will close Microsoft Office Access 2007.

Option A: CTRL+N is used to create a new database, not to exit the application.
Option B: CTRL+O is used to open an existing database or file, not to exit the application.
Option C: ALT+F4 is the standard Windows keyboard shortcut to close the active application or window.
Option D: None of the provided options is used specifically to exit Microsoft Office Access 2007, but ALT+F4 is the correct shortcut to close the application.

Therefore, the correct option is Option C: ALT+F4.