[F11]                 Show the database window (Navigation pane in Access 2007)

[F2]                   Edit data in field

[Shift] + [F2]   Display Zoom window (in a query)

[Shift] + [F2]   Copy data from field above_(datasheet)_  

[Ctrl] + [F2]      Display Expression Builder

[Ctrl] + +          Add a new record in a table or form

[Ctrl] + --         Delete a record in a table or form (you will be warned!)