DBSync for MS Access & Po synchronizes and converts data from MS Access to PostgreSQL server databases and from PostgreSQL to Access with synchronization. It helps to keep your databases up-to-date when moving to PostgreSQL. Features are data export\import, database synchronization, high-speed synchronization via command line and GUI, built-in scheduler. This data synchronization tool allows you to convert foreign keys, indexes and Primary keys.
DBSync for MS Access & PostgreSQL 2.0 download