The short answer is that you can't. Even with development tools such as VB
or VC, you can create an executable but then you also need a JET database
file (or some other database format) to store the data. So you can't
convert a mdb file to an executable since you need somewhere to store the
data.
For a user to use an Access database, he/she needs to have Access installed
on his / her machine. This can be either the full version or the
royalty-free run-time version. If you have the Office / Access Developer
Edition, then you can create an installation package that can install the
run-time files in conj. with your database on the target PCs. ONLY the
Developer Edition licenses you to distribute the run-time files
royalty-free.