A family of Microsoft relational database management systems designed for ease of use.
Nope. I've got a database that I created in Access 2.0 and (after converting it to A97 a decade ago) it works fine in 2007.
Microsoft isn't perfect at backward compatibility, but in this case it's pretty durn good. In fact, if you create a .mdb file in 2007 it defaults to A2000 format.
John W. Vinson/MVP