The description of pdb format expansion
The pdb file is an original format developed by the Palm enterprise and designed in order to operate with eBooks. Mainly pdb extension is associated with eReader app. eReader is a free application, which serves in order to view Palm Digital Media eBooks. These documents handle pdb format, widely used by a large variety of Palm apps. Currently this app is quite an archaic tool, and it hardly can be found in the web due to long period of its inactivity.