Why does PzDB require Microsoft Access 2007, and do I have to buy it separately?
The Access 2007 is a remarkably powerful database engine and is the core technology upon which PzDB is built. No, you do not have to purchase it separately. PzDB comes with all the Access components you need and the appropriate licenses. If you already own Microsoft Office Access 2007 (and only version 2007) you do not need to install the Access components.