You can use the MessageBox action to display a message box containing a warning or an informational message. For example, you can use the MessageBox action with validation macros. When a control or ...

5 seconds in google tells me that you can call Access with the "/compact" command line switch. Also, there's a KB article at support.microsoft.com that give further details.

If you ever wanted to click a magic button and make complex business tasks happen automatically, macros can make that wish come true. Macros are small programs that execute commands you specify. Write ...