DBZ is a ZIP-compress database document file. Files with DBZ extension are generated by DB Zipper, a database file archiver developed by Datanamic Solutions. Compression allows users to save disk space.

DB Zipper application debuted in 2007 and its development is now discontinued. DB Zipper license was available at a price of 95 USD. In order to open a DBZ, user has to have access to DB Zipper.